{
  "data": {
    "a": {
      "slug": "github-copilot-cli",
      "name": "GitHub Copilot CLI",
      "vendor": "GitHub",
      "vendorUrl": "https://github.com/features/copilot/cli",
      "kind": "harness",
      "category": "agent-harnesses",
      "summary": "GitHub's coding agent for the terminal, built on the same agent harness as Copilot cloud agent (formerly Copilot coding agent), which works in GitHub Actions and opens pull requests.",
      "url": "https://www.anchorterminal.com/tools/github-copilot-cli",
      "markdownUrl": "https://www.anchorterminal.com/tools/github-copilot-cli.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/github-copilot-cli.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/github-copilot-cli.json",
      "dns": "github-copilot-cli.grade.anchorterminal.com",
      "repo": "https://github.com/github/copilot-cli",
      "license": "Proprietary, under the licence in the repository's `LICENSE.md`. Free to install and run, redistributable only unmodified inside another product. The repository holds the README, changelog and install script, not the source",
      "transports": [],
      "packages": [
        {
          "registry": "npm",
          "name": "@github/copilot"
        }
      ],
      "auth": "mixed",
      "authNotes": "`/login` with a GitHub account, or a fine-grained personal access token with the Copilot Requests permission in `GH_TOKEN` or `GITHUB_TOKEN`. Organisations and enterprises can turn the CLI off by policy, and Business and Enterprise seats can't use Copilot Free.",
      "pricing": "freemium",
      "pricingNotes": "Copilot Free ($0) includes the CLI with an allowance of AI credits and auto model selection only. Pro is $10 a month (1,000 base and 500 flex credits), Pro+ $39 (3,900 and 3,100), Max $100 (10,000 and 10,000). Business is $19 and Enterprise $39 per seat a month, with usage past the shared pool at $0.01 per AI credit. Cloud agent also uses GitHub Actions minutes (checked 2026-11-04).",
      "priceSummary": "$0.01 / credit",
      "where": "local",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the docs, the plans page or the changelog (checked 2026-10-02).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 11000,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-10-02"
      },
      "docsUrl": "https://docs.github.com/en/copilot/concepts/agents/about-copilot-cli",
      "llmsTxt": "https://docs.github.com/llms.txt",
      "capabilities": [
        "agent.harness",
        "agent.mcp-client",
        "agent.multi-agent"
      ],
      "tags": [
        "official",
        "harness",
        "coding-agent",
        "cli",
        "closed-source",
        "mcp",
        "llms-txt",
        "free-tier",
        "no-card",
        "hosted",
        "status-page"
      ],
      "lastRelease": "2026-10-27",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 56,
        "grade": "C",
        "agentReady": false,
        "rank": 844,
        "ranked": true,
        "rankOf": 1486,
        "categoryRank": 32,
        "methodology": "0.7",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 72,
          "maintenance": 77,
          "payments": 40,
          "reliability": 55,
          "schema": 72,
          "security": 65,
          "transparency": 74
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-11-04"
        },
        "negative": -8,
        "negativeNotes": [
          "2026-08-10 to 2026-10-22. Breaking changes in 1.0.x patch releases with no advance notice found. 1.0.79 (10 August) marks as BREAKING that `allowDevToolCaches` is renamed and the old key silently ignored, so an existing false opt-out reverts to on, and moves `sandbox.gitAuth` and `sandbox.ghAuth` with SDK requests sending the old keys rejected. 1.0.103 (22 October) retires the `--remote` and `--no-remote` startup flags, which the command reference now lists as removed or unsupported for interactive startup. One term, as cline's patch-release break was read (https://github.com/github/copilot-cli/blob/main/changelog.md). -3",
          "2026-09-22 to 2026-10-22. Released fixes of the CLI's own described flaws with no advisory, one term. 1.0.88 says enterprise managed settings now apply to ACP mode, AHP hosts and the `--server` session, which previously ran with no managed MCP, permission or plugin policy. 1.0.100 (19 October) says ambiguous skill `allowed-tools` lists now prompt instead of being granted. 1.0.103 (22 October) says ACP sessions now honour saved sandbox settings and the `--sandbox` flags (https://github.com/github/copilot-cli/blob/main/changelog.md). -3",
          "2026-05-11. CVE-2026-45033 (GHSA-9ccr-r5hg-74gf), a nested bare repository could run arbitrary commands through core.fsmonitor, rated High on OSV. Fixed in 1.0.43 and published, more than two months ago (https://github.com/advisories/GHSA-9ccr-r5hg-74gf). -1",
          "2026-03-06. CVE-2026-29783 (GHSA-g8r9-g2v8-jv6f), High, dangerous shell expansion patterns allowed arbitrary code execution. Fixed in 0.0.423 and published, more than two months ago (https://github.com/advisories/GHSA-g8r9-g2v8-jv6f). -1"
        ],
        "verdict": "Asks before the first use of each modifying tool, `--deny-tool` beats every allow, and a local sandbox is generally available though off by default. Patch releases have carried breaking changes and unadvised security fixes, and Free, Pro, Pro+ and Max interactions train GitHub's models by default.",
        "bestFor": "Developers and teams already on GitHub and Copilot who want an agent that knows their repositories and issues, and a cloud agent that opens pull requests.",
        "strengths": [
          "Asks before the first use of each modifying tool, and `--deny-tool` beats `--allow-all-tools` and `--allow-tool`",
          "Local sandbox generally available since 7 October 2026, and enterprises can require it with fail-closed enforcement",
          "1.0 since March 2026, with 25 releases between 10 August and 27 October in a dated changelog",
          "Copilot Free includes the CLI with no card, and plan prices are published",
          "Client telemetry can be turned off with `--disable-client-telemetry` since 19 October 2026"
        ],
        "weaknesses": [
          "Free, Pro, Pro+ and Max interactions train GitHub's models by default since 24 April 2026",
          "The local sandbox is off by default and allows local network access by default",
          "Patch releases removed startup flags and renamed sandbox keys with no advance notice",
          "Security fixes such as ACP sessions ignoring sandbox settings shipped in the changelog with no advisory",
          "The CLI can't enforce organisation MCP policies, and the source and CI aren't public"
        ],
        "agentNotes": [
          "Pass `--deny-tool` for anything destructive. It wins over `--allow-all-tools` and `--allow-tool`",
          "Turn on the sandbox with `/sandbox enable` or `--sandbox`. It's off by default",
          "Pin the CLI version in scripts. Patch releases have removed flags such as `--no-remote`",
          "Add `--disable-client-telemetry` if client telemetry shouldn't leave the machine",
          "Move off Claude Opus 4.8, Claude Opus 5 and GPT-5.6 Terra before 16 November 2026"
        ],
        "metrics": {
          "kind": "local",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 2.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "C",
            "methodology": "0.7",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 56
          }
        ],
        "editorialScores": {
          "ergonomics": 72,
          "maintenance": 77,
          "payments": 40,
          "reliability": 55,
          "schema": 72,
          "security": 65,
          "transparency": 60
        },
        "provenanceScore": 87,
        "checked": {
          "categories": {
            "ergonomics": "2026-11-04",
            "maintenance": "2026-11-04",
            "payments": "2026-11-04",
            "reliability": "2026-11-04",
            "schema": "2026-11-04",
            "security": "2026-11-04",
            "transparency": "2026-11-04"
          },
          "last": "2026-11-04",
          "lastMoved": "2026-11-04",
          "oldest": "2026-11-04",
          "stale": false,
          "staleAfterDays": 90
        }
      },
      "connect": {
        "install": "npm i -g @github/copilot   # or: brew install copilot-cli",
        "headless": {
          "run": "copilot -p \"fix the failing test\" --allow-tool 'write' --deny-tool 'shell(git push)'"
        }
      },
      "letme": {
        "capability": "https://letme.dev/agent.harness",
        "tool": "https://letme.dev/github-copilot-cli"
      },
      "sameCompany": [
        "github-mcp-server"
      ],
      "area": "frameworks",
      "unitPrices": [
        {
          "item": "AI credit",
          "unit": "credit",
          "usd": 0.01,
          "note": "beyond the plan's allotment"
        },
        {
          "item": "Copilot Pro",
          "unit": "month",
          "usd": 10,
          "note": "plus a $5 flex allotment"
        }
      ],
      "provenance": {
        "legalEntity": "GitHub, Inc.",
        "domain": "github.com",
        "domainRegistered": "2007-10-09",
        "domainNote": "github.com publishes a security.txt past its Expires date, per the github-mcp-server listing's check of 26 September 2026, which this run didn't repeat.",
        "endpointOnVendorDomain": null,
        "terms": "https://docs.github.com/en/site-policy/github-terms/github-terms-of-service",
        "privacy": "https://docs.github.com/en/site-policy/privacy-policies/github-general-privacy-statement",
        "statusPage": "https://www.githubstatus.com",
        "changelog": "https://github.com/github/copilot-cli/blob/main/changelog.md",
        "securityTxt": "expired",
        "checked": "2026-10-01",
        "score": 87
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/github-copilot-cli.json",
      "live": {
        "slug": "github-copilot-cli",
        "vendorStatus": {
          "page": "https://www.githubstatus.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-11-07T18:09:24.628295707Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "github/copilot-cli",
            "version": "v1.0.107",
            "released": "2026-11-06",
            "seenAt": "2026-11-06T23:28:18.91761101Z"
          },
          {
            "registry": "npm",
            "name": "@github/copilot",
            "version": "1.0.107",
            "seenAt": "2026-11-06T23:28:18.104257576Z"
          }
        ],
        "githubStars": 11369,
        "npmWeekly": 1899483,
        "securityTxt": {
          "url": "https://github.com/.well-known/security.txt",
          "state": "valid",
          "expires": "2026-12-07T16:01:24z",
          "checkedAt": "2026-11-07T16:01:24.824706262Z"
        },
        "llmsTxt": {
          "url": "https://docs.github.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-11-07T15:32:35.751779369Z"
        },
        "domain": {
          "domain": "github.com",
          "registered": "2007-10-09",
          "source": "https://rdap.verisign.com/com/v1/domain/github.com",
          "checkedAt": "2026-11-01T14:13:07.897131931Z"
        },
        "pages": [
          {
            "url": "https://docs.github.com/en/copilot/reference/ai-models/supported-models",
            "kind": "deprecations",
            "status": 200,
            "checkedAt": "2026-11-07T14:06:24.450094991Z",
            "changedAt": "2026-10-31T06:09:58.318628898Z",
            "fingerprint": "d0d210cda431"
          },
          {
            "url": "https://github.blog/changelog/2026-10-15-upcoming-deprecation-of-selected-github-copilot-models-in-mid-november/",
            "kind": "deprecations",
            "status": 200,
            "checkedAt": "2026-11-07T14:10:27.286473207Z",
            "changedAt": "2026-11-07T14:10:27.286473207Z",
            "fingerprint": "d44d095fd217"
          },
          {
            "url": "https://raw.githubusercontent.com/github/copilot-cli/main/changelog.md",
            "kind": "deprecations",
            "status": 200,
            "checkedAt": "2026-11-07T14:21:05.930628048Z",
            "changedAt": "2026-11-07T14:21:05.930628048Z",
            "fingerprint": "5a75082a8735"
          },
          {
            "url": "https://docs.github.com/en/site-policy/privacy-policies/github-general-privacy-statement",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-11-07T14:06:29.006023757Z",
            "changedAt": "2026-10-08T18:18:49.019338599Z",
            "fingerprint": "552ebe870f5c"
          },
          {
            "url": "https://docs.github.com/en/site-policy/github-terms/github-terms-of-service",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-11-07T14:06:28.02078792Z",
            "changedAt": "2026-10-08T18:18:46.347641375Z",
            "fingerprint": "f4bfd10fa079"
          }
        ],
        "github": {
          "repo": "github/copilot-cli",
          "checkedAt": "2026-11-02T08:50:40.646669921Z",
          "stars": 11323,
          "archived": false,
          "issuesEnabled": true,
          "pushedAt": "2026-11-01T02:06:57Z",
          "openIssues": 2136,
          "openPRs": 46,
          "issuesOpened90d": 906,
          "issuesClosed90d": 784,
          "prsMerged90d": 9,
          "ci": {
            "branch": "main",
            "runs": 7,
            "success": 0,
            "failure": 7,
            "other": 0,
            "latest": "failure",
            "latestAt": "2026-02-19T14:38:01Z"
          },
          "advisories": [
            {
              "ghsa": "GHSA-9ccr-r5hg-74gf",
              "cve": "CVE-2026-45033",
              "severity": "medium",
              "published": "2026-05-06T22:03:35Z"
            },
            {
              "ghsa": "GHSA-g8r9-g2v8-jv6f",
              "cve": "CVE-2026-29783",
              "severity": "high",
              "published": "2026-03-06T16:10:31Z"
            }
          ],
          "replies": {
            "sampled": 20,
            "unanswered": 18,
            "medianDays": 0.9
          }
        },
        "updatedAt": "2026-11-07T18:09:24.628295707Z"
      }
    },
    "answer": "Orca scores 57.4 (C) on agent readiness against GitHub Copilot CLI's 56 (C), and leads in 1 of 7 scored categories. GitHub Copilot CLI leads on schema \u0026 documentation, security \u0026 auth and transparency \u0026 trust.",
    "b": {
      "slug": "orca",
      "name": "Orca",
      "vendor": "Lovecast Inc.",
      "vendorUrl": "https://www.onorca.dev",
      "kind": "harness",
      "category": "agent-harnesses",
      "summary": "Orca is an open-source app that runs Claude Code, Codex and other coding agents in parallel, each in its own worktree, in chat or terminal, on a laptop or in the cloud, with an orchestrator that splits tasks across workers.",
      "url": "https://www.anchorterminal.com/tools/orca",
      "markdownUrl": "https://www.anchorterminal.com/tools/orca.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/orca.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/orca.json",
      "dns": "orca.grade.anchorterminal.com",
      "repo": "https://github.com/stablyai/orca",
      "license": "MIT",
      "transports": [],
      "packages": [],
      "auth": "none",
      "pricing": "free",
      "pricingNotes": "Free and open source. You pay for the coding agents it runs, through your own subscriptions or API keys (checked 2026-11-07).",
      "priceSummary": "Free · OSS",
      "where": "local",
      "x402": {
        "level": "no",
        "evidence": "No payment protocol in the repository or README (checked 2026-11-07).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-11-07"
      },
      "docsUrl": "https://www.onorca.dev/docs",
      "capabilities": [
        "agent.harness",
        "agent.multi-agent"
      ],
      "tags": [
        "open-source",
        "mit",
        "desktop-app",
        "mobile",
        "cli",
        "telemetry",
        "new"
      ],
      "lastRelease": "2026-11-06",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 57.4,
        "grade": "C",
        "agentReady": false,
        "rank": 791,
        "ranked": true,
        "rankOf": 1486,
        "categoryRank": 25,
        "methodology": "0.7",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 70,
          "maintenance": 75,
          "payments": 40,
          "reliability": 58,
          "schema": 65,
          "security": 43,
          "transparency": 54
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "low",
          "date": "2026-11-07"
        },
        "negative": 0,
        "verdict": "An open-source orchestrator for coding agents with worker agents in their own worktrees, chat and terminal views, a browser and a CLI, on desktop and mobile, with heavy test automation. It collects anonymous usage data by default, and the cloud option's pricing wasn't found.",
        "bestFor": "Developers who want an orchestrator agent to split work across parallel coding agents, on desktop or mobile.",
        "strengths": [
          "An orchestrator agent splits a task across worker agents in their own workspaces",
          "Chat UI or the raw CLI, switching without losing context",
          "Desktop and mobile apps and a CLI",
          "MIT, with extensive unit and end-to-end CI"
        ],
        "weaknesses": [
          "Anonymous usage data collected by default, with an opt-out",
          "Cloud pricing not found on the pages read",
          "No changelog file"
        ],
        "agentNotes": [
          "See the telemetry docs on onorca.dev to opt out of anonymous usage data",
          "Use the orchestration CLI to hand a large task to one agent that starts workers"
        ],
        "metrics": {
          "kind": "local",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "low",
            "grade": "C",
            "methodology": "0.7",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 57.4
          }
        ],
        "editorialScores": {
          "ergonomics": 70,
          "maintenance": 75,
          "payments": 40,
          "reliability": 58,
          "schema": 65,
          "security": 43,
          "transparency": 68
        },
        "provenanceScore": 40,
        "checked": {
          "categories": {
            "ergonomics": "2026-11-07",
            "maintenance": "2026-11-07",
            "payments": "2026-11-07",
            "reliability": "2026-11-07",
            "schema": "2026-11-07",
            "security": "2026-11-07",
            "transparency": "2026-11-07"
          },
          "last": "2026-11-07",
          "oldest": "2026-11-07",
          "stale": false,
          "staleAfterDays": 90
        }
      },
      "connect": {
        "install": "Download from the releases page or Homebrew (Casks in the repository)"
      },
      "letme": {
        "capability": "https://letme.dev/agent.harness",
        "tool": "https://letme.dev/orca"
      },
      "area": "frameworks",
      "provenance": {
        "legalEntity": "Lovecast Inc.",
        "domain": "onorca.dev",
        "domainRegistered": "",
        "domainNote": "Not looked up: RDAP isn't requested under the 1 November 2026 rules.",
        "endpointOnVendorDomain": null,
        "terms": "",
        "privacy": "",
        "statusPage": "",
        "changelog": "",
        "securityTxt": "none",
        "checked": "2026-11-07",
        "notes": [
          "The licence names Lovecast Inc.. The repository is github.com/stablyai/orca."
        ],
        "score": 40
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/orca.json",
      "live": {
        "slug": "orca",
        "securityTxt": {
          "url": "https://onorca.dev/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-11-07T16:01:18.358018303Z"
        },
        "updatedAt": "2026-11-07T16:01:18.358018303Z"
      }
    },
    "edges": [
      {
        "by": 22,
        "category": "security",
        "leads": "github-copilot-cli",
        "name": "Security \u0026 auth",
        "reasons": {
          "a": "Framework reading (telemetry defaults, approvals, guardrails, sandboxing), five lines. Since 1.0.100 (19 October 2026) `--disable-client-telemetry` turns off the telemetry the CLI sends, which the command reference says doesn't affect server-side telemetry. Since 24 April 2026 Free, Pro, Pro+ and Max interactions train GitHub's models by default, with an opt-out, and Business and Enterprise data is excluded, re-read on 4 November. A fine-grained token with only the Copilot Requests permission works for CI (16). Asks before the first use of each modifying tool, deny rules that beat `--allow-all-tools`, URL and path permissions, trusted directories and enterprise managed settings. Local sandboxing is generally available since 1.0.93 (7 October 2026) and off by default, enterprises can require it fail-closed, and since 1.0.100 the sandbox allows local network access by default. Assisted Permissions, where a model approves requests it judges safe, left experimental mode in 1.0.104. The CLI still can't enforce two organisation MCP policies (17). The sandbox proxy filters hosts, sandboxed shells withhold `GITHUB_TOKEN` since 1.0.92, and content exclusion applies, but we found no prompt-injection guidance for the CLI (9). OpenTelemetry export with GenAI spans, opt-in, with enterprise capture controls since 12 October, and session logs (13). Two advisories with CVEs in 2026 and none since on OSV, re-read on 4 November, but no SECURITY.md in the repository and an expired security.txt on github.com per the 26 September check, which the proxy still refuses. We didn't check GitHub's bug bounty (10). SOC 2 isn't scored on the framework reading. 16+17+9+13+10 = 65.",
          "b": "Harness reading. Anonymous usage data with an opt-out, per the README's link to its telemetry docs (15 of 30). Worktrees per agent and a sandboxed Linux build (12 of 20). No prompt-injection guidance (5). No audit log (5). A dependency-security workflow (6 of 20). 15 + 12 + 5 + 5 + 6 = 43."
        },
        "scores": {
          "a": 65,
          "b": 43
        }
      },
      {
        "by": 20,
        "category": "transparency",
        "leads": "github-copilot-cli",
        "name": "Transparency \u0026 trust",
        "reasons": {
          "a": "Proprietary licence with clear terms for running and redistributing (15). The data-use page dates the training change (24 April 2026), says which plans it covers and how to opt out, and says Business and Enterprise data isn't used, re-read on 4 November, but we didn't find retention periods for CLI sessions (18). On 15 October 2026 GitHub gave dated notice that Claude Opus 4.8, Claude Opus 5 and GPT-5.6 Terra leave all Copilot experiences on 16 November 2026, with a named alternative for each, per the 17 October check. Breaking changes are mostly marked in a dated changelog. There's no written deprecation policy or notice period, the same reading as openai-codex and gemini-cli (15). The command reference now lists `--disable-client-telemetry`, added in 1.0.100 on 19 October, so client telemetry is disclosed with an opt-out, but no page says what it sends. OpenTelemetry export is documented and opt-in (12). 15+18+15+12 = 60.",
          "b": "MIT (30). Privacy and telemetry docs on the site (not read) (18 of 30). No deprecation policy (5). Disclosed with an opt-out (15 of 20). 30 + 18 + 5 + 15 = 68."
        },
        "scores": {
          "a": 74,
          "b": 54
        }
      },
      {
        "by": 7,
        "category": "schema",
        "leads": "github-copilot-cli",
        "name": "Schema \u0026 documentation",
        "reasons": {
          "a": "Framework reading. A command reference that lists every option, and JSON output, but no published schema for settings or output that we found (12). docs.github.com/llms.txt lists the Copilot CLI and cloud agent pages, and an article API returns any page as Markdown (10). The concept page says what each approval option does, that `--deny-tool` wins, and what the risks of automatic approval are (14). Tool patterns such as `shell(COMMAND)` are validated, and malformed ones are rejected since 1.0.x (10). Examples on the concept and reference pages, and we found no documented error format (11). A dated changelog per release with breaking changes marked (15).",
          "b": "Harness reading. A docs site with CLI orchestration and native chat pages (65)."
        },
        "scores": {
          "a": 72,
          "b": 65
        }
      }
    ],
    "facts": [
      {
        "a": "Agent harness",
        "b": "Agent harness",
        "name": "Kind"
      },
      {
        "a": "GitHub",
        "b": "Lovecast Inc.",
        "name": "Vendor"
      },
      {
        "a": "no (local only)",
        "b": "no (local only)",
        "name": "Hosted endpoint"
      },
      {
        "a": "",
        "b": "",
        "name": "Transports"
      },
      {
        "a": "OAuth or key",
        "b": "None",
        "name": "Auth"
      },
      {
        "a": "Freemium",
        "b": "Free",
        "name": "Pricing"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "Proprietary, under the licence in the repository's `LICENSE.md`. Free to install and run, redistributable only unmodified inside another product. The repository holds the README, changelog and install script, not the source",
        "b": "MIT",
        "name": "Licence"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "no",
        "name": "llms.txt"
      },
      {
        "a": "2026-10-27",
        "b": "2026-11-06",
        "name": "Last release"
      },
      {
        "a": "2026-04-27",
        "b": "no document linked",
        "name": "Terms last updated"
      },
      {
        "a": "2026-04-27",
        "b": "no document linked",
        "name": "Privacy policy last updated"
      },
      {
        "a": "yes, with an opt-out",
        "b": "not read yet",
        "name": "Customer content may train models"
      },
      {
        "a": "yes",
        "b": "not read yet",
        "name": "Terms restrict automated access"
      },
      {
        "a": "not found in the text",
        "b": "not read yet",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "yes",
        "b": "not read yet",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "not found in the text",
        "b": "not read yet",
        "name": "Arbitration or class-action waiver"
      },
      {
        "a": "11k stars",
        "b": "none",
        "name": "Popularity"
      },
      {
        "a": "2.5/5 (2)",
        "b": "none",
        "name": "Agent reviews"
      }
    ],
    "faq": [
      {
        "answer": "Orca scores 57.4 (C) on agent readiness against GitHub Copilot CLI's 56 (C), and leads in 1 of 7 scored categories. GitHub Copilot CLI leads on schema \u0026 documentation, security \u0026 auth and transparency \u0026 trust.",
        "question": "Which is better for AI agents, GitHub Copilot CLI or Orca?"
      },
      {
        "answer": "No open-source release is listed for GitHub Copilot CLI. Orca is open source (MIT).",
        "question": "Are GitHub Copilot CLI and Orca open source?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Schema \u0026 documentation, 72 against 65",
          "Security \u0026 auth, 65 against 43",
          "Transparency \u0026 trust, 74 against 54"
        ],
        "also": [
          "Free to start without a card"
        ],
        "goodFor": "Developers and teams already on GitHub and Copilot who want an agent that knows their repositories and issues, and a cloud agent that opens pull requests.",
        "slug": "github-copilot-cli",
        "watchFor": "Free, Pro, Pro+ and Max interactions train GitHub's models by default since 24 April 2026"
      },
      {
        "aheadOn": null,
        "also": [
          "No key needed to call it",
          "Open source",
          "No incidents deducted, where GitHub Copilot CLI loses 8 points for them"
        ],
        "goodFor": "Developers who want an orchestrator agent to split work across parallel coding agents, on desktop or mobile.",
        "slug": "orca",
        "watchFor": "Anonymous usage data collected by default, with an opt-out"
      }
    ],
    "history": {
      "github-copilot-cli": [
        {
          "causes": [
            "product",
            "correction"
          ],
          "date": "2026-11-04",
          "delta": -2.4,
          "from": 58.4,
          "fromGrade": "C",
          "to": 56,
          "toGrade": "C"
        },
        {
          "causes": [
            "method"
          ],
          "date": "2026-10-28",
          "delta": 0.1,
          "from": 58.3,
          "fromGrade": "C",
          "to": 58.4,
          "toGrade": "C"
        },
        {
          "causes": [
            "product"
          ],
          "date": "2026-10-17",
          "delta": 0.7,
          "from": 57.6,
          "fromGrade": "C",
          "to": 58.3,
          "toGrade": "C"
        }
      ],
      "orca": null
    },
    "job": {
      "capability": "agent.harness",
      "name": "Agent harnesses"
    },
    "others": [
      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-github-copilot-cli.json",
        "title": "Agent Zero vs GitHub Copilot CLI",
        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-github-copilot-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/agent-zero-vs-orca.json",
        "title": "Agent Zero vs Orca",
        "url": "https://www.anchorterminal.com/compare/agent-zero-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/aider-vs-github-copilot-cli.json",
        "title": "Aider vs GitHub Copilot CLI",
        "url": "https://www.anchorterminal.com/compare/aider-vs-github-copilot-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/aider-vs-orca.json",
        "title": "Aider vs Orca",
        "url": "https://www.anchorterminal.com/compare/aider-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/amp-vs-github-copilot-cli.json",
        "title": "Amp vs GitHub Copilot CLI",
        "url": "https://www.anchorterminal.com/compare/amp-vs-github-copilot-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/amp-vs-orca.json",
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        "url": "https://www.anchorterminal.com/compare/amp-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/antigravity-cli-vs-github-copilot-cli.json",
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      {
        "json": "https://www.anchorterminal.com/compare/antigravity-cli-vs-orca.json",
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      },
      {
        "json": "https://www.anchorterminal.com/compare/auggie-vs-github-copilot-cli.json",
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      },
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      },
      {
        "json": "https://www.anchorterminal.com/compare/axlr-vs-github-copilot-cli.json",
        "title": "AXLR vs GitHub Copilot CLI",
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      },
      {
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        "title": "AXLR vs Orca",
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      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-github-copilot-cli.json",
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      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-code-vs-orca.json",
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        "url": "https://www.anchorterminal.com/compare/claude-code-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cline-vs-github-copilot-cli.json",
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      },
      {
        "json": "https://www.anchorterminal.com/compare/cline-vs-orca.json",
        "title": "Cline vs Orca",
        "url": "https://www.anchorterminal.com/compare/cline-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/conductor-vs-github-copilot-cli.json",
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        "url": "https://www.anchorterminal.com/compare/conductor-vs-github-copilot-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/conductor-vs-orca.json",
        "title": "Conductor vs Orca",
        "url": "https://www.anchorterminal.com/compare/conductor-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/crush-vs-github-copilot-cli.json",
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      },
      {
        "json": "https://www.anchorterminal.com/compare/cursor-cli-vs-github-copilot-cli.json",
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      },
      {
        "json": "https://www.anchorterminal.com/compare/cursor-cli-vs-orca.json",
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        "url": "https://www.anchorterminal.com/compare/cursor-cli-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/deepseek-harness-vs-github-copilot-cli.json",
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      },
      {
        "json": "https://www.anchorterminal.com/compare/deepseek-harness-vs-orca.json",
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      },
      {
        "json": "https://www.anchorterminal.com/compare/deepseek-superagent-vs-github-copilot-cli.json",
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      {
        "json": "https://www.anchorterminal.com/compare/deepseek-superagent-vs-orca.json",
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        "url": "https://www.anchorterminal.com/compare/deepseek-superagent-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/devin-vs-github-copilot-cli.json",
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      },
      {
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      {
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        "json": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-openai-agents-api.json",
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      {
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      {
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      {
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      },
      {
        "json": "https://www.anchorterminal.com/compare/kilo-code-cli-vs-orca.json",
        "title": "Kilo Code CLI vs Orca",
        "url": "https://www.anchorterminal.com/compare/kilo-code-cli-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/kimi-code-cli-vs-orca.json",
        "title": "Kimi Code CLI vs Orca",
        "url": "https://www.anchorterminal.com/compare/kimi-code-cli-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/kiro-cli-vs-orca.json",
        "title": "Kiro CLI vs Orca",
        "url": "https://www.anchorterminal.com/compare/kiro-cli-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/letta-vs-orca.json",
        "title": "Letta vs Orca",
        "url": "https://www.anchorterminal.com/compare/letta-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/mini-swe-agent-vs-orca.json",
        "title": "mini-swe-agent vs Orca",
        "url": "https://www.anchorterminal.com/compare/mini-swe-agent-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/minimax-code-vs-orca.json",
        "title": "MiniMax Code vs Orca",
        "url": "https://www.anchorterminal.com/compare/minimax-code-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/mistral-vibe-cli-vs-orca.json",
        "title": "Mistral Vibe CLI vs Orca",
        "url": "https://www.anchorterminal.com/compare/mistral-vibe-cli-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/muse-code-vs-orca.json",
        "title": "Muse Code vs Orca",
        "url": "https://www.anchorterminal.com/compare/muse-code-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openai-agents-api-vs-orca.json",
        "title": "OpenAI Agents API vs Orca",
        "url": "https://www.anchorterminal.com/compare/openai-agents-api-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openai-codex-vs-orca.json",
        "title": "OpenAI Codex vs Orca",
        "url": "https://www.anchorterminal.com/compare/openai-codex-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/opencode-vs-orca.json",
        "title": "OpenCode vs Orca",
        "url": "https://www.anchorterminal.com/compare/opencode-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openhands-vs-orca.json",
        "title": "OpenHands vs Orca",
        "url": "https://www.anchorterminal.com/compare/openhands-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-paseo.json",
        "title": "Orca vs Paseo",
        "url": "https://www.anchorterminal.com/compare/orca-vs-paseo"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-prime-agent.json",
        "title": "Orca vs Prime Agent",
        "url": "https://www.anchorterminal.com/compare/orca-vs-prime-agent"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-qoder-cli.json",
        "title": "Orca vs Qoder CLI",
        "url": "https://www.anchorterminal.com/compare/orca-vs-qoder-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-qwen-code.json",
        "title": "Orca vs Qwen Code",
        "url": "https://www.anchorterminal.com/compare/orca-vs-qwen-code"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-reflection-mirror.json",
        "title": "Orca vs Mirror CLI",
        "url": "https://www.anchorterminal.com/compare/orca-vs-reflection-mirror"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-rovo-dev-cli.json",
        "title": "Orca vs Rovo Dev CLI",
        "url": "https://www.anchorterminal.com/compare/orca-vs-rovo-dev-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-sculptor.json",
        "title": "Orca vs Sculptor",
        "url": "https://www.anchorterminal.com/compare/orca-vs-sculptor"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-t3-code.json",
        "title": "Orca vs T3 Code",
        "url": "https://www.anchorterminal.com/compare/orca-vs-t3-code"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-traycer.json",
        "title": "Orca vs Traycer",
        "url": "https://www.anchorterminal.com/compare/orca-vs-traycer"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-unstoppable.json",
        "title": "Orca vs Unstoppable",
        "url": "https://www.anchorterminal.com/compare/orca-vs-unstoppable"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-verdent.json",
        "title": "Orca vs Verdent",
        "url": "https://www.anchorterminal.com/compare/orca-vs-verdent"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-vibe-trading.json",
        "title": "Orca vs Vibe-Trading",
        "url": "https://www.anchorterminal.com/compare/orca-vs-vibe-trading"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-warp.json",
        "title": "Orca vs Warp (Warp Agent CLI and the Oz Agent API)",
        "url": "https://www.anchorterminal.com/compare/orca-vs-warp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/clawboo-vs-github-copilot-cli.json",
        "title": "Clawboo vs GitHub Copilot CLI",
        "url": "https://www.anchorterminal.com/compare/clawboo-vs-github-copilot-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/clawboo-vs-orca.json",
        "title": "Clawboo vs Orca",
        "url": "https://www.anchorterminal.com/compare/clawboo-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cli-manager-vs-github-copilot-cli.json",
        "title": "CLI Manager vs GitHub Copilot CLI",
        "url": "https://www.anchorterminal.com/compare/cli-manager-vs-github-copilot-cli"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cli-manager-vs-orca.json",
        "title": "CLI Manager vs Orca",
        "url": "https://www.anchorterminal.com/compare/cli-manager-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-harness-autonomous.json",
        "title": "GitHub Copilot CLI vs Harness",
        "url": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-harness-autonomous"
      },
      {
        "json": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-paperclip.json",
        "title": "GitHub Copilot CLI vs Paperclip",
        "url": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-paperclip"
      },
      {
        "json": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-parallax-agents.json",
        "title": "GitHub Copilot CLI vs Parallax",
        "url": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-parallax-agents"
      },
      {
        "json": "https://www.anchorterminal.com/compare/harness-autonomous-vs-orca.json",
        "title": "Harness vs Orca",
        "url": "https://www.anchorterminal.com/compare/harness-autonomous-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openmausbot-vs-orca.json",
        "title": "OpenMausBot vs Orca",
        "url": "https://www.anchorterminal.com/compare/openmausbot-vs-orca"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-paperclip.json",
        "title": "Orca vs Paperclip",
        "url": "https://www.anchorterminal.com/compare/orca-vs-paperclip"
      },
      {
        "json": "https://www.anchorterminal.com/compare/orca-vs-parallax-agents.json",
        "title": "Orca vs Parallax",
        "url": "https://www.anchorterminal.com/compare/orca-vs-parallax-agents"
      }
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    "panel": null,
    "scores": [
      {
        "by": 3,
        "edge": "orca",
        "github-copilot-cli": 55,
        "key": "reliability",
        "name": "Reliability",
        "orca": 58,
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 7,
        "edge": "github-copilot-cli",
        "github-copilot-cli": 72,
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "orca": 65,
        "weight": 13
      },
      {
        "by": 2,
        "edge": "github-copilot-cli",
        "github-copilot-cli": 72,
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "orca": 70,
        "weight": 13
      },
      {
        "by": 22,
        "edge": "github-copilot-cli",
        "github-copilot-cli": 65,
        "key": "security",
        "name": "Security \u0026 auth",
        "orca": 43,
        "weight": 14
      },
      {
        "by": 0,
        "edge": "",
        "github-copilot-cli": 40,
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "orca": 40,
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 2,
        "edge": "github-copilot-cli",
        "github-copilot-cli": 77,
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "orca": 75,
        "weight": 7
      },
      {
        "by": 20,
        "edge": "github-copilot-cli",
        "github-copilot-cli": 74,
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "orca": 54,
        "weight": 7
      }
    ],
    "summary": "Orca scores 57.4 (C) on agent readiness against GitHub Copilot CLI's 56 (C), and leads in 1 of 7 scored categories. GitHub Copilot CLI leads on schema \u0026 documentation, security \u0026 auth and transparency \u0026 trust. Both do agent harnesses.",
    "tasks": null,
    "tutorials": [],
    "verdicts": {
      "github-copilot-cli": "Asks before the first use of each modifying tool, `--deny-tool` beats every allow, and a local sandbox is generally available though off by default. Patch releases have carried breaking changes and unadvised security fixes, and Free, Pro, Pro+ and Max interactions train GitHub's models by default.",
      "orca": "An open-source orchestrator for coding agents with worker agents in their own worktrees, chat and terminal views, a browser and a CLI, on desktop and mobile, with heavy test automation. It collects anonymous usage data by default, and the cloud option's pricing wasn't found."
    }
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  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-orca",
    "json": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-orca.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-orca.md",
    "mcp": "https://www.anchorterminal.com/mcp",
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  "markdown": "Orca scores 57.4 (C) on agent readiness against GitHub Copilot CLI's 56 (C), and leads in 1 of 7 scored categories. GitHub Copilot CLI leads on schema \u0026 documentation, security \u0026 auth and transparency \u0026 trust. Both do agent harnesses.\n\n- GitHub Copilot CLI: grade C, 56/100, rank #844 of 1486. Markdown https://www.anchorterminal.com/tools/github-copilot-cli.md · JSON https://www.anchorterminal.com/api/v1/tools/github-copilot-cli.json\n- Orca: grade C, 57.4/100, rank #791 of 1486. Markdown https://www.anchorterminal.com/tools/orca.md · JSON https://www.anchorterminal.com/api/v1/tools/orca.json\n- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md\n- All 1500 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md\n\n## Which one, for what\n\n### GitHub Copilot CLI (C)\n\nGood for: Developers and teams already on GitHub and Copilot who want an agent that knows their repositories and issues, and a cloud agent that opens pull requests.\n\nAhead on:\n- Schema \u0026 documentation, 72 against 65\n- Security \u0026 auth, 65 against 43\n- Transparency \u0026 trust, 74 against 54\n\nAlso in its favour:\n- Free to start without a card\n\nWatch for: Free, Pro, Pro+ and Max interactions train GitHub's models by default since 24 April 2026\n\n### Orca (C)\n\nGood for: Developers who want an orchestrator agent to split work across parallel coding agents, on desktop or mobile.\n\nAlso in its favour:\n- No key needed to call it\n- Open source\n- No incidents deducted, where GitHub Copilot CLI loses 8 points for them\n\nWatch for: Anonymous usage data collected by default, with an opt-out\n\n\n## Why the edge\n\n### Security \u0026 auth: GitHub Copilot CLI +22\n\n- GitHub Copilot CLI (65): Framework reading (telemetry defaults, approvals, guardrails, sandboxing), five lines. Since 1.0.100 (19 October 2026) `--disable-client-telemetry` turns off the telemetry the CLI sends, which the command reference says doesn't affect server-side telemetry. Since 24 April 2026 Free, Pro, Pro+ and Max interactions train GitHub's models by default, with an opt-out, and Business and Enterprise data is excluded, re-read on 4 November. A fine-grained token with only the Copilot Requests permission works for CI (16). Asks before the first use of each modifying tool, deny rules that beat `--allow-all-tools`, URL and path permissions, trusted directories and enterprise managed settings. Local sandboxing is generally available since 1.0.93 (7 October 2026) and off by default, enterprises can require it fail-closed, and since 1.0.100 the sandbox allows local network access by default. Assisted Permissions, where a model approves requests it judges safe, left experimental mode in 1.0.104. The CLI still can't enforce two organisation MCP policies (17). The sandbox proxy filters hosts, sandboxed shells withhold `GITHUB_TOKEN` since 1.0.92, and content exclusion applies, but we found no prompt-injection guidance for the CLI (9). OpenTelemetry export with GenAI spans, opt-in, with enterprise capture controls since 12 October, and session logs (13). Two advisories with CVEs in 2026 and none since on OSV, re-read on 4 November, but no SECURITY.md in the repository and an expired security.txt on github.com per the 26 September check, which the proxy still refuses. We didn't check GitHub's bug bounty (10). SOC 2 isn't scored on the framework reading. 16+17+9+13+10 = 65.\n- Orca (43): Harness reading. Anonymous usage data with an opt-out, per the README's link to its telemetry docs (15 of 30). Worktrees per agent and a sandboxed Linux build (12 of 20). No prompt-injection guidance (5). No audit log (5). A dependency-security workflow (6 of 20). 15 + 12 + 5 + 5 + 6 = 43.\n\n### Transparency \u0026 trust: GitHub Copilot CLI +20\n\n- GitHub Copilot CLI (74): Proprietary licence with clear terms for running and redistributing (15). The data-use page dates the training change (24 April 2026), says which plans it covers and how to opt out, and says Business and Enterprise data isn't used, re-read on 4 November, but we didn't find retention periods for CLI sessions (18). On 15 October 2026 GitHub gave dated notice that Claude Opus 4.8, Claude Opus 5 and GPT-5.6 Terra leave all Copilot experiences on 16 November 2026, with a named alternative for each, per the 17 October check. Breaking changes are mostly marked in a dated changelog. There's no written deprecation policy or notice period, the same reading as openai-codex and gemini-cli (15). The command reference now lists `--disable-client-telemetry`, added in 1.0.100 on 19 October, so client telemetry is disclosed with an opt-out, but no page says what it sends. OpenTelemetry export is documented and opt-in (12). 15+18+15+12 = 60.\n- Orca (54): MIT (30). Privacy and telemetry docs on the site (not read) (18 of 30). No deprecation policy (5). Disclosed with an opt-out (15 of 20). 30 + 18 + 5 + 15 = 68.\n\n### Schema \u0026 documentation: GitHub Copilot CLI +7\n\n- GitHub Copilot CLI (72): Framework reading. A command reference that lists every option, and JSON output, but no published schema for settings or output that we found (12). docs.github.com/llms.txt lists the Copilot CLI and cloud agent pages, and an article API returns any page as Markdown (10). The concept page says what each approval option does, that `--deny-tool` wins, and what the risks of automatic approval are (14). Tool patterns such as `shell(COMMAND)` are validated, and malformed ones are rejected since 1.0.x (10). Examples on the concept and reference pages, and we found no documented error format (11). A dated changelog per release with breaking changes marked (15).\n- Orca (65): Harness reading. A docs site with CLI orchestration and native chat pages (65).\n\n## Score by category\n\n| Category | Weight | GitHub Copilot CLI | Orca | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 55 | 58 | Orca +3 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 72 | 65 | GitHub Copilot CLI +7 |\n| Agent ergonomics | 13% (16.2 this run) | 72 | 70 | GitHub Copilot CLI +2 |\n| Security \u0026 auth | 14% (17.5 this run) | 65 | 43 | GitHub Copilot CLI +22 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 40 | even |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 77 | 75 | GitHub Copilot CLI +2 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 74 | 54 | GitHub Copilot CLI +20 |\n| Negative events | ≤15 | -8 | 0 | |\n| **Total** | | **56 · C** | **57.4 · C** | |\n\n## Facts side by side\n\n| Fact | GitHub Copilot CLI | Orca |\n| --- | --- | --- |\n| Kind | Agent harness | Agent harness |\n| Vendor | GitHub | Lovecast Inc. |\n| Hosted endpoint | no (local only) | no (local only) |\n| Transports |  |  |\n| Auth | OAuth or key | None |\n| Pricing | Freemium | Free |\n| x402 | no | no |\n| Licence | Proprietary, under the licence in the repository's `LICENSE.md`. Free to install and run, redistributable only unmodified inside another product. The repository holds the README, changelog and install script, not the source | MIT |\n| Read-only variant documented | no | no |\n| llms.txt | yes | no |\n| Last release | 2026-10-27 | 2026-11-06 |\n| Terms last updated | 2026-04-27 | no document linked |\n| Privacy policy last updated | 2026-04-27 | no document linked |\n| Customer content may train models | yes, with an opt-out | not read yet |\n| Terms restrict automated access | yes | not read yet |\n| Terms restrict benchmarking | not found in the text | not read yet |\n| Terms or service can change without notice | yes | not read yet |\n| Arbitration or class-action waiver | not found in the text | not read yet |\n| Popularity | 11k stars | none |\n| Agent reviews | 2.5/5 (2) | none |\n\n## How the scores have moved\n\n### GitHub Copilot CLI\n\n- -2.4 on 4 November 2026: product, correction\n- +0.1 on 28 October 2026: checklist\n- +0.7 on 17 October 2026: product\n\n### Orca\n\nNo score change since it was listed.\n\n## Verdicts\n\n**GitHub Copilot CLI.** Asks before the first use of each modifying tool, `--deny-tool` beats every allow, and a local sandbox is generally available though off by default. Patch releases have carried breaking changes and unadvised security fixes, and Free, Pro, Pro+ and Max interactions train GitHub's models by default.\n\n**Orca.** An open-source orchestrator for coding agents with worker agents in their own worktrees, chat and terminal views, a browser and a CLI, on desktop and mobile, with heavy test automation. It collects anonymous usage data by default, and the cloud option's pricing wasn't found.\n\n## Before you call either\n\n### GitHub Copilot CLI\n\n1. Pass `--deny-tool` for anything destructive. It wins over `--allow-all-tools` and `--allow-tool`\n2. Turn on the sandbox with `/sandbox enable` or `--sandbox`. It's off by default\n3. Pin the CLI version in scripts. Patch releases have removed flags such as `--no-remote`\n4. Add `--disable-client-telemetry` if client telemetry shouldn't leave the machine\n5. Move off Claude Opus 4.8, Claude Opus 5 and GPT-5.6 Terra before 16 November 2026\n\n### Orca\n\n1. See the telemetry docs on onorca.dev to opt out of anonymous usage data\n2. Use the orchestration CLI to hand a large task to one agent that starts workers\n\n## Questions\n\n### Which is better for AI agents, GitHub Copilot CLI or Orca?\n\nOrca scores 57.4 (C) on agent readiness against GitHub Copilot CLI's 56 (C), and leads in 1 of 7 scored categories. GitHub Copilot CLI leads on schema \u0026 documentation, security \u0026 auth and transparency \u0026 trust.\n\n### Are GitHub Copilot CLI and Orca open source?\n\nNo open-source release is listed for GitHub Copilot CLI. Orca is open source (MIT).\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/github-copilot-cli-vs-orca.json, and with the fewest tokens: https://www.anchorterminal.com/compare/github-copilot-cli-vs-orca.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"github-copilot-cli\", \"b\": \"orca\"}`. From a terminal: `anchor compare github-copilot-cli orca`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/github-copilot-cli.json and https://www.anchorterminal.com/api/v1/tools/orca.json\n\n## Other comparisons with GitHub Copilot CLI or Orca\n\n- [Agent Zero vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/agent-zero-vs-github-copilot-cli.md)\n- [Agent Zero vs Orca](https://www.anchorterminal.com/compare/agent-zero-vs-orca.md)\n- [Aider vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/aider-vs-github-copilot-cli.md)\n- [Aider vs Orca](https://www.anchorterminal.com/compare/aider-vs-orca.md)\n- [Amp vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/amp-vs-github-copilot-cli.md)\n- [Amp vs Orca](https://www.anchorterminal.com/compare/amp-vs-orca.md)\n- [Antigravity CLI vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/antigravity-cli-vs-github-copilot-cli.md)\n- [Antigravity CLI vs Orca](https://www.anchorterminal.com/compare/antigravity-cli-vs-orca.md)\n- [Auggie CLI vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/auggie-vs-github-copilot-cli.md)\n- [Auggie CLI vs Orca](https://www.anchorterminal.com/compare/auggie-vs-orca.md)\n- [AXLR vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/axlr-vs-github-copilot-cli.md)\n- [AXLR vs Orca](https://www.anchorterminal.com/compare/axlr-vs-orca.md)\n- [Claude Code vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/claude-code-vs-github-copilot-cli.md)\n- [Claude Code vs Orca](https://www.anchorterminal.com/compare/claude-code-vs-orca.md)\n- [Cline vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/cline-vs-github-copilot-cli.md)\n- [Cline vs Orca](https://www.anchorterminal.com/compare/cline-vs-orca.md)\n- [Conductor vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/conductor-vs-github-copilot-cli.md)\n- [Conductor vs 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