{ "data": { "a": { "slug": "amp", "name": "Amp", "vendor": "Amp Frontier Corporation", "vendorUrl": "https://ampcode.com", "kind": "harness", "category": "agent-harnesses", "summary": "Amp is a closed-source coding agent from Amp Frontier Corporation, with a terminal CLI, web, macOS and iOS apps and cloud machines called orbs. An execute mode with JSON streaming and TypeScript and Python SDKs let programs run it.", "url": "https://www.anchorterminal.com/tools/amp", "markdownUrl": "https://www.anchorterminal.com/tools/amp.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/amp.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/amp.json", "license": "Proprietary, under the Amp licence terms (Amp Frontier Corporation). The npm packages are marked Amp Commercial License and the source repository is private", "transports": [], "packages": [ { "registry": "npm", "name": "@ampcode/cli" }, { "registry": "npm", "name": "@ampcode/sdk" }, { "registry": "pypi", "name": "amp-sdk" } ], "auth": "mixed", "authNotes": "An Amp account is required. `amp login` signs in through a browser, and scripts set `AMP_API_KEY` to an access token from Settings that starts `sgamp_`. The CLI rejects the short-lived login token in that variable. Model keys or a ChatGPT subscription can be linked under Model Routing.", "pricing": "freemium", "pricingNotes": "Hobby is free when you bring your own model key or subscription and run locally or on your own runner. Megawatt is $20 a month with 45,000 orb minutes, and Enterprise is by quote. Amp-served inference uses paid credits at provider API prices, and orbs cost from $0.08 an hour. The Gigawatt price was not readable (checked 2026-10-08).", "priceSummary": "$20 / mo", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the docs or the pricing page (checked 2026-10-08).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": 41233, "pypiWeekly": null, "asOf": "2026-10-08" }, "docsUrl": "https://ampcode.com/docs", "llmsTxt": "https://ampcode.com/llms.txt", "capabilities": [ "agent.harness", "agent.mcp-client", "agent.multi-agent" ], "tags": [ "harness", "coding-agent", "cli", "closed-source", "mcp", "llms-txt", "free-tier", "status-page", "sdk" ], "lastRelease": "2026-10-08", "graded": true, "anchor": { "graded": true, "score": 57.1, "grade": "C", "agentReady": false, "rank": 637, "ranked": true, "rankOf": 993, "categoryRank": 18, "methodology": "0.4", "run": "2026-10-01", "scores": { "ergonomics": 69, "maintenance": 79, "payments": 35, "reliability": 31, "schema": 72, "security": 57, "transparency": 77 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-08" }, "negative": 0, "verdict": "Execute mode streams JSON in a format close to Claude Code's, with TypeScript and Python SDKs, and the security reference names each provider and what it sees. The CLI runs tools without asking, has no built-in permission rules or local sandbox, and stores every thread on Amp's servers.", "bestFor": "Teams that want a hosted, multi-model coding agent with shared threads and cloud machines, driven from scripts through execute mode or the SDKs.", "strengths": [ "`amp -x --stream-json` emits one JSON message per line, with a documented schema and JSON input on stdin", "TypeScript and Python SDKs, both released on 18 September 2026", "llms.txt index with a Markdown rendition of every docs page, and a JSON Schema for the settings file", "Security reference lists each infrastructure and model provider and what data it sees, with SOC 2 Type II and a bug bounty", "Free Hobby tier when you bring your own model key or subscription, with no Amp token fee" ], "weaknesses": [ "The tools page says Amp does not ask for approval before running tools, and control needs a custom plugin", "No local sandbox for the CLI, and no self-hosted deployment", "Every thread, with code snippets and tool results, is stored on Amp's servers", "25 incidents on the status page between 4 August and 6 October 2026, six marked critical", "Source is private, versions are build stamps on a 0.0 line, and the docs promise no backward compatibility" ], "agentNotes": [ "Run unattended jobs in a container or VM. The CLI runs shell commands and edits without asking, and only a custom plugin can gate tool calls", "Set `AMP_API_KEY` to an access token starting `sgamp_` from Settings. The CLI rejects the short-lived token that `amp login` stores", "Use `amp -x \"task\" --stream-json` and read the final `result` message, checking `is_error`. Exit codes are not documented", "Set `AMP_SKIP_UPDATE_CHECK=1` or `amp.updates.mode` to `disabled` in CI. Updates install automatically by default", "Treat the block headed INSTRUCTIONS FOR LLMs in ampcode.com page source as vendor copy, and take facts from the docs Markdown" ], "metrics": { "kind": "local", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "C", "methodology": "0.4", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 57.1 } ], "editorialScores": { "ergonomics": 69, "maintenance": 79, "payments": 35, "reliability": 31, "schema": 72, "security": 57, "transparency": 59 }, "provenanceScore": 95 }, "connect": { "install": "curl -fsSL https://ampcode.com/install.sh | bash # or: npm install -g @ampcode/cli", "headless": { "command": "amp --execute \"$TASK\" --stream-json", "env": { "AMP_API_KEY": "\u003caccess token starting sgamp_\u003e", "AMP_SKIP_UPDATE_CHECK": "1" } } }, "letme": { "capability": "https://letme.dev/agent.harness", "tool": "https://letme.dev/amp" }, "area": "frameworks", "unitPrices": [ { "item": "Megawatt tier", "unit": "month", "usd": 20, "note": "includes 45,000 orb minutes" }, { "item": "Orb a1.tiny (1 CPU, 2 GB)", "unit": "vcpu-hour", "usd": 0.08, "note": "billed by the minute, larger sizes to $2.13 an hour" } ], "provenance": { "legalEntity": "Amp Frontier Corporation", "domain": "ampcode.com", "domainRegistered": "2012-02-14", "endpointOnVendorDomain": null, "terms": "https://ampcode.com/terms", "privacy": "https://ampcode.com/privacy-policy", "statusPage": "https://ampcodestatus.com", "changelog": "https://ampcode.com/chronicle", "securityTxt": "valid", "checked": "2026-10-08", "notes": [ "The Amp licence terms and the privacy policy (last modified 10 September 2026) name Amp Frontier Corporation. The terms page shows no date.", "The `amp-sdk` package on PyPI still carries a Sourcegraph Inc. copyright line, and access tokens keep the `sgamp_` prefix.", "RDAP (Verisign) gives ampcode.com a registration date of 2012-02-14.", "ampcode.com/.well-known/security.txt has Contact, Policy, Canonical and an Expires of 2026-11-20.", "ampcode.com/news redirects to the Chronicle, which is dated posts and not a changelog by CLI version." ], "score": 95 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/amp.json", "live": { "slug": "amp", "vendorStatus": { "page": "https://ampcodestatus.com", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-12T22:40:53.874213043Z" }, "versions": [ { "registry": "npm", "name": "@ampcode/cli", "version": "0.0.1791835240-g8bc94e", "seenAt": "2026-10-12T21:47:23.884879666Z" }, { "registry": "npm", "name": "@ampcode/sdk", "version": "0.1.0-20260918210405-g81edbf0", "seenAt": "2026-10-12T21:47:25.181463643Z" }, { "registry": "pypi", "name": "amp-sdk", "version": "0.1.20260918210324", "released": "2026-09-18", "seenAt": "2026-10-12T21:47:27.139691697Z" } ], "npmWeekly": 22253, "pypiWeekly": 407, "securityTxt": { "url": "https://ampcode.com/.well-known/security.txt", "state": "valid", "expires": "2026-11-20T00:00:00.000Z", "checkedAt": "2026-10-12T15:44:28.455967956Z" }, "llmsTxt": { "url": "https://ampcode.com/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-12T14:08:23.718142458Z" }, "domain": { "domain": "ampcode.com", "registered": "2012-02-14", "source": "https://rdap.verisign.com/com/v1/domain/ampcode.com", "checkedAt": "2026-10-11T13:23:25.672250863Z" }, "pages": [ { "url": "https://ampcode.com/chronicle", "kind": "changelog", "status": 200, "checkedAt": "2026-10-12T19:45:15.286236351Z", "changedAt": "2026-10-10T18:56:51.424474436Z", "fingerprint": "35c183e1bd52" }, { "url": "https://ampcode.com/privacy-policy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-12T19:45:17.746617796Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "ec81ef046afb" }, { "url": "https://ampcode.com/terms", "kind": "terms", "status": 200, "checkedAt": "2026-10-12T19:45:19.430968526Z", "changedAt": "2026-10-10T18:56:55.60936417Z", "fingerprint": "b33a06034af8" } ], "updatedAt": "2026-10-12T22:40:53.874213043Z" } }, "answer": "Muse Code scores 61.3 (C) on agent readiness against Amp's 57.1 (C), and leads in 4 of 7 scored categories. Amp leads on payments \u0026 pricing and transparency \u0026 trust.", "b": { "slug": "muse-code", "name": "Muse Code", "vendor": "Meta", "vendorUrl": "https://dev.meta.ai/products/muse-code", "kind": "harness", "category": "agent-harnesses", "summary": "Muse Code is Meta's coding agent for the terminal and CI, built for its Muse models. It plans, edits files and runs commands under approvals and an OS sandbox, interactively, headless through `muse exec` or from an SDK.", "url": "https://www.anchorterminal.com/tools/muse-code", "markdownUrl": "https://www.anchorterminal.com/tools/muse-code.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/muse-code.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/muse-code.json", "repo": "https://github.com/meta-models/muse-code-sdk", "license": "Proprietary binary, used under the Meta Model API Terms of Service, which cover Meta's coding harness. Subscriptions are also under the Meta Subscription Terms of Service. The TypeScript and Python SDKs in the linked repository are MIT.", "transports": [], "packages": [ { "registry": "npm", "name": "@muse-code/sdk" }, { "registry": "pypi", "name": "muse-code-sdk" } ], "auth": "mixed", "authNotes": "A browser sign-in to a Meta Model API account on first run, or a Meta Model API key in `META_API_KEY` or stored with `muse auth set`. A key takes priority over a browser session. CI runs and Meta Managed Accounts must use a key.", "pricing": "paid", "pricingNotes": "Pay-as-you-go at Meta Model API token prices, or a monthly plan at $5 (Everyday Usage), $15 (High Usage), $50 (Power Usage) or $200 (Maximum Usage), checked 2026-10-12. Muse Wonder Full needs Power Usage or Maximum Usage. No free plan or trial was found.", "priceSummary": "$5 / mo", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the Muse Code docs, the subscription pages or dev.meta.ai/llms.txt, checked 12 October 2026. Plans are paid through Meta Accounts Centre and pay-as-you-go through Model API billing.", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": 63119, "pypiWeekly": null, "asOf": "2026-10-12" }, "docsUrl": "https://dev.meta.ai/docs/muse-code", "llmsTxt": "https://dev.meta.ai/llms.txt", "capabilities": [ "agent.harness", "agent.mcp-client", "agent.multi-agent" ], "tags": [ "official", "harness", "coding-agent", "cli", "closed-source", "mcp", "llms-txt", "sandbox", "approvals", "card-required" ], "lastRelease": "2026-10-11", "graded": true, "anchor": { "graded": true, "score": 61.3, "grade": "C", "agentReady": false, "rank": 487, "ranked": true, "rankOf": 993, "categoryRank": 10, "methodology": "0.4", "run": "2026-10-01", "scores": { "ergonomics": 79, "maintenance": 75, "payments": 20, "reliability": 45, "schema": 84, "security": 67, "transparency": 57 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-12" }, "negative": 0, "verdict": "Muse Code runs with approvals and an OS sandbox on by default, per-host network approval, an append-only event log and a headless mode with documented exit codes. It is the only route to Muse Wonder Full. It is closed source with undated release notes and no free route, and subscriptions allow training on code unless Contributor mode is turned off.", "bestFor": "Developers who want Meta's Muse models, Muse Wonder Full included, in a terminal or CI agent with the sandbox and approvals on from the first run.", "strengths": [ "Sandbox on by default (Seatbelt on macOS, bubblewrap on Linux), with `.git`, `.muse` and `.agents` read-only and shell commands refused if containment can't be confirmed", "Network access is proxy-only by default, and the first connection to each new host, port or protocol stops for review", "`muse exec --json` streams JSONL events, with exit codes 0, 1, 2, 130 and 143 documented and `--max-model-steps` to cap a run", "A versioned session protocol (`muse serve`, `muse schema`) with MIT-licensed TypeScript and Python SDKs released in step with the CLI", "MCP over stdio and streamable HTTP with OAuth 2.1 sign-in, and named toolsets that select MCP tools by name or prefix" ], "weaknesses": [ "Closed source, with no public CI or issue tracker for the CLI found and release notes that carry no dates", "Subscriptions default to Contributor mode, which lets Meta train on prompts, code and responses until it's turned off", "No free route. Plans run from $5 to $200 a month, and pay-as-you-go billing needs a card", "New sessions start in Auto-review, where an automated judge clears eligible approvals rather than a person", "MCP tools run outside the sandbox, and settings list telemetry options without documenting what is sent or the defaults" ], "agentNotes": [ "Set `META_API_KEY` for headless runs. Browser sign-in isn't available in CI or for Meta Managed Accounts", "Gate on your own test command, not the exit code. `muse exec` returns 0 when the turn completes even if tests still fail", "Pass `--max-model-steps` on unattended runs so a stuck task can't loop", "Prefer `--disable-approval` to `--yolo` in CI so the sandbox stays on. On Linux the runner needs a working bubblewrap and a non-musl build", "Turn Contributor mode off in `/settings` before a subscription session touches private code" ], "metrics": { "kind": "local", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "C", "methodology": "0.4", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 61.3 } ], "editorialScores": { "ergonomics": 79, "maintenance": 75, "payments": 20, "reliability": 45, "schema": 84, "security": 67, "transparency": 46 }, "provenanceScore": 68 }, "connect": { "install": "curl -fsSL https://dev.meta.ai/install.sh | sh # Windows: irm https://dev.meta.ai/install.ps1 | iex", "headless": { "env": { "META_API_KEY": "\u003cyour-key\u003e" }, "run": "muse exec --json \"Refactor the auth module and run the tests.\"" } }, "letme": { "capability": "https://letme.dev/agent.harness", "tool": "https://letme.dev/muse-code" }, "sameCompany": [ "meta-model-api" ], "area": "frameworks", "unitPrices": [ { "item": "Everyday Usage plan", "unit": "month", "usd": 5, "note": "10 to 50 prompts every 5 hours." }, { "item": "High Usage plan", "unit": "month", "usd": 15, "note": "5x the Everyday Usage plan." }, { "item": "Power Usage plan", "unit": "month", "usd": 50, "note": "20x the Everyday Usage plan, with Muse Wonder Full." }, { "item": "Maximum Usage plan", "unit": "month", "usd": 200, "note": "80x the Everyday Usage plan, with Muse Wonder Full." } ], "provenance": { "legalEntity": "Meta Platforms, Inc.", "domain": "meta.ai", "domainRegistered": "2017-12-16", "endpointOnVendorDomain": null, "terms": "https://dev.meta.ai/legal/terms-of-service", "privacy": "https://www.facebook.com/privacy/policy/", "statusPage": "", "changelog": "https://dev.meta.ai/docs/muse-code/changelog", "securityTxt": "none", "checked": "2026-10-12", "notes": [ "The Meta Model API Terms of Service (last updated 9 October 2026) cover an artificial intelligence coding harness and name Meta Platforms, Inc., or Meta Platforms Ireland Limited in the European Region. The subscription page adds the Meta Subscription Terms of Service.", "The privacy field is the Meta Privacy Policy, which the terms link. www.facebook.com's robots.txt asks readers like ours not to fetch it, as the 8 October policy reading records, so it wasn't read.", "RDAP for meta.ai gives a registration date of 16 December 2017. The model calls go to api.meta.ai, and the binaries download from lookaside.facebook.com.", "No status page for Meta Model API was found. dev.meta.ai/status redirects to the home page.", "dev.meta.ai/.well-known/security.txt returns 404. The SDK repository's SECURITY.md sends vulnerability reports to bugbounty.meta.com.", "dev.meta.ai/code and developer.meta.com/ai/products/muse-code redirect to dev.meta.ai/products/muse-code." ], "score": 68 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/muse-code.json", "live": { "slug": "muse-code", "versions": [ { "registry": "npm", "name": "@muse-code/sdk", "version": "1.4.6", "seenAt": "2026-10-12T22:16:21.710476766Z" }, { "registry": "pypi", "name": "muse-code-sdk", "version": "1.4.6", "released": "2026-10-11", "seenAt": "2026-10-12T22:16:21.971934495Z" } ], "githubStars": 57, "npmWeekly": 63119, "pypiWeekly": 198, "updatedAt": "2026-10-12T22:16:22.08500268Z" } }, "facts": [ { "a": "Agent harness", "b": "Agent harness", "name": "Kind" }, { "a": "Amp Frontier Corporation", "b": "Meta", "name": "Vendor" }, { "a": "no (local only)", "b": "no (local only)", "name": "Hosted endpoint" }, { "a": "", "b": "", "name": "Transports" }, { "a": "OAuth or key", "b": "OAuth or key", "name": "Auth" }, { "a": "Freemium", "b": "Paid", "name": "Pricing" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "Proprietary, under the Amp licence terms (Amp Frontier Corporation). The npm packages are marked Amp Commercial License and the source repository is private", "b": "Proprietary binary, used under the Meta Model API Terms of Service, which cover Meta's coding harness. Subscriptions are also under the Meta Subscription Terms of Service. The TypeScript and Python SDKs in the linked repository are MIT.", "name": "Licence" }, { "a": "no", "b": "yes", "name": "Read-only variant documented" }, { "a": "yes", "b": "yes", "name": "llms.txt" }, { "a": "2026-10-08", "b": "2026-10-11", "name": "Last release" }, { "a": "no date given", "b": "", "name": "Terms last updated" }, { "a": "2026-09-10", "b": "couldn't be read", "name": "Privacy policy last updated" }, { "a": "not found in the text", "b": "", "name": "Customer content may train models" }, { "a": "not found in the text", "b": "", "name": "Terms restrict automated access" }, { "a": "not found in the text", "b": "", "name": "Terms restrict benchmarking" }, { "a": "yes", "b": "", "name": "Terms or service can change without notice" }, { "a": "yes", "b": "", "name": "Arbitration or class-action waiver" }, { "a": "41k npm/wk", "b": "63k npm/wk", "name": "Popularity" } ], "faq": [ { "answer": "Muse Code scores 61.3 (C) on agent readiness against Amp's 57.1 (C), and leads in 4 of 7 scored categories. Amp leads on payments \u0026 pricing and transparency \u0026 trust.", "question": "Which is better for AI agents, Amp or Muse Code?" } ], "goodFor": [ { "aheadOn": [ "Payments \u0026 pricing, 35 against 20", "Transparency \u0026 trust, 77 against 57" ], "also": null, "goodFor": "Teams that want a hosted, multi-model coding agent with shared threads and cloud machines, driven from scripts through execute mode or the SDKs.", "slug": "amp", "watchFor": "The tools page says Amp does not ask for approval before running tools, and control needs a custom plugin" }, { "aheadOn": [ "Reliability, 45 against 31", "Schema \u0026 documentation, 84 against 72", "Agent ergonomics, 79 against 69", "Security \u0026 auth, 67 against 57" ], "also": null, "goodFor": "Developers who want Meta's Muse models, Muse Wonder Full included, in a terminal or CI agent with the sandbox and approvals on from the first run.", "slug": "muse-code", "watchFor": "Closed source, with no public CI or issue tracker for the CLI found and release notes that carry no dates" } ], "job": { "capability": "agent.harness", "name": "Agent harnesses" }, "others": [ { "json": "https://www.anchorterminal.com/compare/agent-zero-vs-amp.json", "title": "Agent Zero vs Amp", "url": "https://www.anchorterminal.com/compare/agent-zero-vs-amp" }, { "json": "https://www.anchorterminal.com/compare/agent-zero-vs-muse-code.json", "title": "Agent Zero vs Muse Code", "url": "https://www.anchorterminal.com/compare/agent-zero-vs-muse-code" }, { "json": "https://www.anchorterminal.com/compare/aider-vs-amp.json", "title": "Aider vs Amp", "url": "https://www.anchorterminal.com/compare/aider-vs-amp" }, { "json": "https://www.anchorterminal.com/compare/aider-vs-muse-code.json", "title": "Aider vs Muse Code", "url": "https://www.anchorterminal.com/compare/aider-vs-muse-code" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-antigravity-cli.json", "title": "Amp vs Antigravity CLI", "url": "https://www.anchorterminal.com/compare/amp-vs-antigravity-cli" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-claude-code.json", "title": "Amp vs Claude Code", "url": "https://www.anchorterminal.com/compare/amp-vs-claude-code" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-cline.json", "title": "Amp vs Cline", "url": "https://www.anchorterminal.com/compare/amp-vs-cline" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-cursor-cli.json", "title": "Amp vs Cursor CLI", "url": "https://www.anchorterminal.com/compare/amp-vs-cursor-cli" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-devin.json", "title": "Amp vs Devin", "url": "https://www.anchorterminal.com/compare/amp-vs-devin" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-droid-cli.json", "title": "Amp vs Droid CLI", "url": "https://www.anchorterminal.com/compare/amp-vs-droid-cli" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-earendil-pi.json", "title": "Amp vs Pi", "url": "https://www.anchorterminal.com/compare/amp-vs-earendil-pi" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-gemini-cli.json", "title": "Amp vs Gemini CLI", "url": "https://www.anchorterminal.com/compare/amp-vs-gemini-cli" }, { "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-goose.json", "title": "Amp vs goose", "url": "https://www.anchorterminal.com/compare/amp-vs-goose" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-kilo-code-cli.json", "title": "Amp vs Kilo Code CLI", "url": "https://www.anchorterminal.com/compare/amp-vs-kilo-code-cli" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-kiro-cli.json", "title": "Amp vs Kiro CLI", "url": "https://www.anchorterminal.com/compare/amp-vs-kiro-cli" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-openai-codex.json", "title": "Amp vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/amp-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-opencode.json", "title": "Amp vs OpenCode", "url": "https://www.anchorterminal.com/compare/amp-vs-opencode" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-openhands.json", "title": "Amp vs OpenHands", "url": "https://www.anchorterminal.com/compare/amp-vs-openhands" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-prime-agent.json", "title": "Amp vs Prime Agent", "url": "https://www.anchorterminal.com/compare/amp-vs-prime-agent" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-qwen-code.json", "title": "Amp vs Qwen Code", "url": "https://www.anchorterminal.com/compare/amp-vs-qwen-code" }, { "json": "https://www.anchorterminal.com/compare/antigravity-cli-vs-muse-code.json", "title": "Antigravity CLI vs Muse Code", "url": "https://www.anchorterminal.com/compare/antigravity-cli-vs-muse-code" }, { "json": "https://www.anchorterminal.com/compare/claude-code-vs-muse-code.json", "title": "Claude Code vs Muse Code", "url": "https://www.anchorterminal.com/compare/claude-code-vs-muse-code" }, { "json": "https://www.anchorterminal.com/compare/cline-vs-muse-code.json", "title": "Cline vs Muse Code", "url": "https://www.anchorterminal.com/compare/cline-vs-muse-code" }, { "json": "https://www.anchorterminal.com/compare/cursor-cli-vs-muse-code.json", "title": "Cursor CLI vs Muse Code", "url": "https://www.anchorterminal.com/compare/cursor-cli-vs-muse-code" }, { "json": "https://www.anchorterminal.com/compare/devin-vs-muse-code.json", "title": "Devin vs Muse Code", "url": "https://www.anchorterminal.com/compare/devin-vs-muse-code" }, { "json": "https://www.anchorterminal.com/compare/droid-cli-vs-muse-code.json", "title": "Droid CLI vs Muse Code", "url": "https://www.anchorterminal.com/compare/droid-cli-vs-muse-code" }, { "json": "https://www.anchorterminal.com/compare/earendil-pi-vs-muse-code.json", "title": "Pi vs Muse Code", "url": "https://www.anchorterminal.com/compare/earendil-pi-vs-muse-code" }, { "json": "https://www.anchorterminal.com/compare/gemini-cli-vs-muse-code.json", "title": "Gemini CLI vs Muse Code", "url": "https://www.anchorterminal.com/compare/gemini-cli-vs-muse-code" }, { "json": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-muse-code.json", "title": "GitHub Copilot CLI vs Muse Code", "url": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-muse-code" }, { "json": "https://www.anchorterminal.com/compare/goose-vs-muse-code.json", "title": "goose vs Muse Code", "url": "https://www.anchorterminal.com/compare/goose-vs-muse-code" }, { "json": "https://www.anchorterminal.com/compare/kilo-code-cli-vs-muse-code.json", "title": "Kilo Code CLI vs Muse Code", "url": "https://www.anchorterminal.com/compare/kilo-code-cli-vs-muse-code" }, { "json": "https://www.anchorterminal.com/compare/kiro-cli-vs-muse-code.json", "title": "Kiro CLI vs Muse Code", "url": "https://www.anchorterminal.com/compare/kiro-cli-vs-muse-code" }, { "json": "https://www.anchorterminal.com/compare/muse-code-vs-openai-codex.json", "title": "Muse Code vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/muse-code-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/muse-code-vs-opencode.json", "title": "Muse Code vs OpenCode", "url": "https://www.anchorterminal.com/compare/muse-code-vs-opencode" }, { "json": "https://www.anchorterminal.com/compare/muse-code-vs-openhands.json", "title": "Muse Code vs OpenHands", "url": "https://www.anchorterminal.com/compare/muse-code-vs-openhands" }, { "json": "https://www.anchorterminal.com/compare/muse-code-vs-prime-agent.json", "title": "Muse Code vs Prime Agent", "url": "https://www.anchorterminal.com/compare/muse-code-vs-prime-agent" }, { "json": "https://www.anchorterminal.com/compare/muse-code-vs-qwen-code.json", "title": "Muse Code vs Qwen Code", "url": "https://www.anchorterminal.com/compare/muse-code-vs-qwen-code" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-paperclip.json", "title": "Amp vs Paperclip", "url": "https://www.anchorterminal.com/compare/amp-vs-paperclip" }, { "json": "https://www.anchorterminal.com/compare/muse-code-vs-paperclip.json", "title": "Muse Code vs Paperclip", "url": "https://www.anchorterminal.com/compare/muse-code-vs-paperclip" } ], "scores": [ { "amp": 31, "by": 14, "edge": "muse-code", "key": "reliability", "muse-code": 45, "name": "Reliability", "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "amp": 72, "by": 12, "edge": "muse-code", "key": "schema", "muse-code": 84, "name": "Schema \u0026 documentation", "weight": 13 }, { "amp": 69, "by": 10, "edge": "muse-code", "key": "ergonomics", "muse-code": 79, "name": "Agent ergonomics", "weight": 13 }, { "amp": 57, "by": 10, "edge": "muse-code", "key": "security", "muse-code": 67, "name": "Security \u0026 auth", "weight": 14 }, { "amp": 35, "by": 15, "edge": "amp", "key": "payments", "muse-code": 20, "name": "Payments \u0026 pricing", "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "amp": 79, "by": 4, "edge": "amp", "key": "maintenance", "muse-code": 75, "name": "Maintenance \u0026 community", "weight": 7 }, { "amp": 77, "by": 20, "edge": "amp", "key": "transparency", "muse-code": 57, "name": "Transparency \u0026 trust", "weight": 7 } ], "summary": "Muse Code scores 61.3 (C) on agent readiness against Amp's 57.1 (C), and leads in 4 of 7 scored categories. Amp leads on payments \u0026 pricing and transparency \u0026 trust. Both do agent harnesses.", "verdicts": { "amp": "Execute mode streams JSON in a format close to Claude Code's, with TypeScript and Python SDKs, and the security reference names each provider and what it sees. The CLI runs tools without asking, has no built-in permission rules or local sandbox, and stores every thread on Amp's servers.", "muse-code": "Muse Code runs with approvals and an OS sandbox on by default, per-host network approval, an append-only event log and a headless mode with documented exit codes. It is the only route to Muse Wonder Full. It is closed source with undated release notes and no free route, and subscriptions allow training on code unless Contributor mode is turned off." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/amp-vs-muse-code", "json": "https://www.anchorterminal.com/compare/amp-vs-muse-code.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/amp-vs-muse-code.md", "slim": "https://www.anchorterminal.com/compare/amp-vs-muse-code.min.md" }, "markdown": "Muse Code scores 61.3 (C) on agent readiness against Amp's 57.1 (C), and leads in 4 of 7 scored categories. Amp leads on payments \u0026 pricing and transparency \u0026 trust. Both do agent harnesses.\n\n- Amp: grade C, 57.1/100, rank #637 of 993. Markdown https://www.anchorterminal.com/tools/amp.md · JSON https://www.anchorterminal.com/api/v1/tools/amp.json\n- Muse Code: grade C, 61.3/100, rank #487 of 993. Markdown https://www.anchorterminal.com/tools/muse-code.md · JSON https://www.anchorterminal.com/api/v1/tools/muse-code.json\n- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md\n- All 226 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md\n\n## Which one, for what\n\n### Amp (C)\n\nGood for: Teams that want a hosted, multi-model coding agent with shared threads and cloud machines, driven from scripts through execute mode or the SDKs.\n\nAhead on:\n- Payments \u0026 pricing, 35 against 20\n- Transparency \u0026 trust, 77 against 57\n\nWatch for: The tools page says Amp does not ask for approval before running tools, and control needs a custom plugin\n\n### Muse Code (C)\n\nGood for: Developers who want Meta's Muse models, Muse Wonder Full included, in a terminal or CI agent with the sandbox and approvals on from the first run.\n\nAhead on:\n- Reliability, 45 against 31\n- Schema \u0026 documentation, 84 against 72\n- Agent ergonomics, 79 against 69\n- Security \u0026 auth, 67 against 57\n\nWatch for: Closed source, with no public CI or issue tracker for the CLI found and release notes that carry no dates\n\n\n## Score by category\n\n| Category | Weight | Amp | Muse Code | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 31 | 45 | Muse Code +14 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 72 | 84 | Muse Code +12 |\n| Agent ergonomics | 13% (16.2 this run) | 69 | 79 | Muse Code +10 |\n| Security \u0026 auth | 14% (17.5 this run) | 57 | 67 | Muse Code +10 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 35 | 20 | Amp +15 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 79 | 75 | Amp +4 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 77 | 57 | Amp +20 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **57.1 · C** | **61.3 · C** | |\n\n## Facts side by side\n\n| Fact | Amp | Muse Code |\n| --- | --- | --- |\n| Kind | Agent harness | Agent harness |\n| Vendor | Amp Frontier Corporation | Meta |\n| Hosted endpoint | no (local only) | no (local only) |\n| Transports | | |\n| Auth | OAuth or key | OAuth or key |\n| Pricing | Freemium | Paid |\n| x402 | no | no |\n| Licence | Proprietary, under the Amp licence terms (Amp Frontier Corporation). The npm packages are marked Amp Commercial License and the source repository is private | Proprietary binary, used under the Meta Model API Terms of Service, which cover Meta's coding harness. Subscriptions are also under the Meta Subscription Terms of Service. The TypeScript and Python SDKs in the linked repository are MIT. |\n| Read-only variant documented | no | yes |\n| llms.txt | yes | yes |\n| Last release | 2026-10-08 | 2026-10-11 |\n| Terms last updated | no date given | |\n| Privacy policy last updated | 2026-09-10 | couldn't be read |\n| Customer content may train models | not found in the text | |\n| Terms restrict automated access | not found in the text | |\n| Terms restrict benchmarking | not found in the text | |\n| Terms or service can change without notice | yes | |\n| Arbitration or class-action waiver | yes | |\n| Popularity | 41k npm/wk | 63k npm/wk |\n\n## Verdicts\n\n**Amp.** Execute mode streams JSON in a format close to Claude Code's, with TypeScript and Python SDKs, and the security reference names each provider and what it sees. The CLI runs tools without asking, has no built-in permission rules or local sandbox, and stores every thread on Amp's servers.\n\n**Muse Code.** Muse Code runs with approvals and an OS sandbox on by default, per-host network approval, an append-only event log and a headless mode with documented exit codes. It is the only route to Muse Wonder Full. It is closed source with undated release notes and no free route, and subscriptions allow training on code unless Contributor mode is turned off.\n\n## Before you call either\n\n### Amp\n\n1. Run unattended jobs in a container or VM. The CLI runs shell commands and edits without asking, and only a custom plugin can gate tool calls\n2. Set `AMP_API_KEY` to an access token starting `sgamp_` from Settings. The CLI rejects the short-lived token that `amp login` stores\n3. Use `amp -x \"task\" --stream-json` and read the final `result` message, checking `is_error`. Exit codes are not documented\n4. Set `AMP_SKIP_UPDATE_CHECK=1` or `amp.updates.mode` to `disabled` in CI. Updates install automatically by default\n5. Treat the block headed INSTRUCTIONS FOR LLMs in ampcode.com page source as vendor copy, and take facts from the docs Markdown\n\n### Muse Code\n\n1. Set `META_API_KEY` for headless runs. Browser sign-in isn't available in CI or for Meta Managed Accounts\n2. Gate on your own test command, not the exit code. `muse exec` returns 0 when the turn completes even if tests still fail\n3. Pass `--max-model-steps` on unattended runs so a stuck task can't loop\n4. Prefer `--disable-approval` to `--yolo` in CI so the sandbox stays on. On Linux the runner needs a working bubblewrap and a non-musl build\n5. Turn Contributor mode off in `/settings` before a subscription session touches private code\n\n## Questions\n\n### Which is better for AI agents, Amp or Muse Code?\n\nMuse Code scores 61.3 (C) on agent readiness against Amp's 57.1 (C), and leads in 4 of 7 scored categories. Amp leads on payments \u0026 pricing and transparency \u0026 trust.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/amp-vs-muse-code.json, and with the fewest tokens: https://www.anchorterminal.com/compare/amp-vs-muse-code.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"amp\", \"b\": \"muse-code\"}`. From a terminal: `anchor compare amp muse-code`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/amp.json and https://www.anchorterminal.com/api/v1/tools/muse-code.json\n\n## Other comparisons with Amp or Muse Code\n\n- [Agent Zero vs Amp](https://www.anchorterminal.com/compare/agent-zero-vs-amp.md)\n- [Agent Zero vs Muse Code](https://www.anchorterminal.com/compare/agent-zero-vs-muse-code.md)\n- [Aider vs Amp](https://www.anchorterminal.com/compare/aider-vs-amp.md)\n- [Aider vs Muse Code](https://www.anchorterminal.com/compare/aider-vs-muse-code.md)\n- [Amp vs Antigravity CLI](https://www.anchorterminal.com/compare/amp-vs-antigravity-cli.md)\n- [Amp vs Claude Code](https://www.anchorterminal.com/compare/amp-vs-claude-code.md)\n- [Amp vs Cline](https://www.anchorterminal.com/compare/amp-vs-cline.md)\n- [Amp vs Cursor CLI](https://www.anchorterminal.com/compare/amp-vs-cursor-cli.md)\n- [Amp vs Devin](https://www.anchorterminal.com/compare/amp-vs-devin.md)\n- [Amp vs Droid CLI](https://www.anchorterminal.com/compare/amp-vs-droid-cli.md)\n- [Amp vs Pi](https://www.anchorterminal.com/compare/amp-vs-earendil-pi.md)\n- [Amp vs Gemini CLI](https://www.anchorterminal.com/compare/amp-vs-gemini-cli.md)\n- [Amp vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/amp-vs-github-copilot-cli.md)\n- [Amp vs goose](https://www.anchorterminal.com/compare/amp-vs-goose.md)\n- [Amp vs Kilo Code CLI](https://www.anchorterminal.com/compare/amp-vs-kilo-code-cli.md)\n- [Amp vs Kiro CLI](https://www.anchorterminal.com/compare/amp-vs-kiro-cli.md)\n- [Amp vs OpenAI Codex](https://www.anchorterminal.com/compare/amp-vs-openai-codex.md)\n- [Amp vs OpenCode](https://www.anchorterminal.com/compare/amp-vs-opencode.md)\n- [Amp vs OpenHands](https://www.anchorterminal.com/compare/amp-vs-openhands.md)\n- [Amp vs Prime Agent](https://www.anchorterminal.com/compare/amp-vs-prime-agent.md)\n- [Amp vs Qwen Code](https://www.anchorterminal.com/compare/amp-vs-qwen-code.md)\n- [Antigravity CLI vs Muse Code](https://www.anchorterminal.com/compare/antigravity-cli-vs-muse-code.md)\n- [Claude Code vs Muse Code](https://www.anchorterminal.com/compare/claude-code-vs-muse-code.md)\n- [Cline vs Muse Code](https://www.anchorterminal.com/compare/cline-vs-muse-code.md)\n- [Cursor CLI vs Muse Code](https://www.anchorterminal.com/compare/cursor-cli-vs-muse-code.md)\n- [Devin vs Muse Code](https://www.anchorterminal.com/compare/devin-vs-muse-code.md)\n- [Droid CLI vs Muse Code](https://www.anchorterminal.com/compare/droid-cli-vs-muse-code.md)\n- [Pi vs Muse Code](https://www.anchorterminal.com/compare/earendil-pi-vs-muse-code.md)\n- [Gemini CLI vs Muse Code](https://www.anchorterminal.com/compare/gemini-cli-vs-muse-code.md)\n- [GitHub Copilot CLI vs Muse Code](https://www.anchorterminal.com/compare/github-copilot-cli-vs-muse-code.md)\n- [goose vs Muse Code](https://www.anchorterminal.com/compare/goose-vs-muse-code.md)\n- [Kilo Code CLI vs Muse Code](https://www.anchorterminal.com/compare/kilo-code-cli-vs-muse-code.md)\n- [Kiro CLI vs Muse Code](https://www.anchorterminal.com/compare/kiro-cli-vs-muse-code.md)\n- [Muse Code vs OpenAI Codex](https://www.anchorterminal.com/compare/muse-code-vs-openai-codex.md)\n- [Muse Code vs OpenCode](https://www.anchorterminal.com/compare/muse-code-vs-opencode.md)\n- [Muse Code vs OpenHands](https://www.anchorterminal.com/compare/muse-code-vs-openhands.md)\n- [Muse Code vs Prime Agent](https://www.anchorterminal.com/compare/muse-code-vs-prime-agent.md)\n- [Muse Code vs Qwen Code](https://www.anchorterminal.com/compare/muse-code-vs-qwen-code.md)\n- [Amp vs Paperclip](https://www.anchorterminal.com/compare/amp-vs-paperclip.md)\n- [Muse Code vs Paperclip](https://www.anchorterminal.com/compare/muse-code-vs-paperclip.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-12", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.4", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "Amp vs Muse Code", "url": "" } ], "description": "Muse Code scores 61.3 (C) to Amp's 57.1 (C) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.", "facts": [ "Amp C 57.1", "Muse Code C 61.3", "scores" ], "h1": "Amp vs Muse Code", "image": "https://www.anchorterminal.com/assets/og/compare-amp-vs-muse-code.png", "path": "/compare/amp-vs-muse-code", "published": "2026-10-01", "section": "tools", "title": "Amp vs Muse Code for AI agents in 2026: scores and prices", "toc": null, "updated": "2026-10-12", "url": "https://www.anchorterminal.com/compare/amp-vs-muse-code" }, "tokens": { "markdown": 2650, "slim": 730 }, "version": 1 }