{ "data": { "a": { "slug": "auggie", "name": "Auggie CLI", "vendor": "Harness (formerly Augment Code)", "vendorUrl": "https://www.augmentcode.com/", "kind": "harness", "category": "agent-harnesses", "summary": "Augment Code's terminal coding agent, owned by Harness since 8 October 2026. It runs interactively, in print mode for scripts and CI, as an ACP agent for editors and as an MCP server for code retrieval.", "url": "https://www.anchorterminal.com/tools/auggie", "markdownUrl": "https://www.anchorterminal.com/tools/auggie.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/auggie.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/auggie.json", "dns": "auggie.grade.anchorterminal.com", "repo": "https://github.com/augmentcode/auggie", "license": "Proprietary. The licence from Augment Computing, Inc. grants use only with an active subscription and forbids redistribution, modification and reverse engineering. The GitHub repository holds the README, changelog, examples and issue tracker, not the source", "transports": [], "packages": [], "auth": "mixed", "authNotes": "`auggie login` in a browser stores a session token tied to the user. Automation passes the session JSON from `auggie token print` in `AUGMENT_SESSION_AUTH` or `--augment-session-json`, and `auggie token revoke` revokes all of a user's tokens. Team and Enterprise administrators can create service accounts whose API tokens don't expire until deleted.", "pricing": "paid", "pricingNotes": "Standard is $20 a month and Business $100 a month, each flat for up to 50 seats with the same amount of usage included, and Enterprise is by quote. Usage is billed at the model provider's list price plus a 40 per cent service fee, with pay-as-you-go top-ups. No free tier was found on the pricing page (checked 2026-10-18).", "priceSummary": "$20 / mo", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the docs, the pricing page or the changelog (checked 2026-10-18).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": 16451, "pypiWeekly": null, "asOf": "2026-10-18" }, "docsUrl": "https://docs.augmentcode.com/cli/overview", "llmsTxt": "https://docs.augmentcode.com/llms.txt", "capabilities": [ "agent.harness", "agent.mcp-client", "agent.multi-agent" ], "tags": [ "official", "harness", "coding-agent", "cli", "closed-source", "mcp", "acp", "llms-txt", "sdk", "typescript", "python", "status-page", "no-sandbox", "paid-plans" ], "lastRelease": "2026-08-21", "graded": true, "anchor": { "graded": true, "score": 49.3, "grade": "D", "agentReady": false, "rank": 1088, "ranked": true, "rankOf": 1486, "categoryRank": 42, "methodology": "0.7", "run": "2026-10-01", "scores": { "ergonomics": 65, "maintenance": 38, "payments": 20, "reliability": 43, "schema": 67, "security": 47, "transparency": 59 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-11-04" }, "negative": 0, "verdict": "Print mode has turn caps, JSON output and resumable sessions, and permission rules resolve to the most restrictive across sources. Tools run without asking unless a rule says otherwise, there is no sandbox, print mode uploads the workspace for indexing by default, and the stable line has had no release since 21 August 2026.", "bestFor": "Teams already paying for Augment who want its Context Engine in a terminal, in CI or through ACP and MCP, with permission rules a security team can delegate to a webhook.", "strengths": [ "`--print` with `--max-turns`, `--quiet`, `--output-format json` and `--show-credits`, plus `--continue` and `--resume` by session ID", "Permission rules allow, deny or hand a call to a webhook or a local script, and the most restrictive rule across sources wins", "An ACP agent mode, an MCP server mode and TypeScript and Python SDKs that drive the CLI over ACP", "Per-model token rates, the 40 per cent service fee and plan prices are published without a login", "npm builds are published from GitHub Actions through npm trusted publishing, and auto-update is off in print mode" ], "weaknesses": [ "No operating-system sandbox, and the MCP docs say Auggie runs commands and tools automatically", "Print mode indexes and uploads the workspace by default, except files matched by .gitignore or .augmentignore", "No free tier on the pricing page, and print mode may be switched off under an enterprise agreement", "The stable npm line is 0.36.0 of 21 August 2026, with 1.x builds only on the preview and daemon channels", "The licence, terms and privacy policy still name Augment Computing, Inc. after Harness bought the CLI on 8 October 2026" ], "agentNotes": [ "Pass `--max-turns` with `--print` in pipelines to bound how many turns, and so how much usage, a run can take", "Commit deny rules to .augment/settings.json before an unattended run. Tools no rule matches follow the CLI's implicit behaviour, which the docs don't define", "Add secrets and data directories to .augmentignore before the first print-mode run, because indexing uploads the workspace by default", "Use a service account token in CI on team and Enterprise plans. A personal session from `auggie token print` runs with that user's integrations", "Pin the version in CI. `latest` is 0.x, while `preview` and `daemon` carry 1.x prereleases whose permission rules ignore some legacy tool names" ], "metrics": { "kind": "local", "measured": false }, "reviewCount": 4, "avgRating": 2.8, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "D", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 49.3 } ], "editorialScores": { "ergonomics": 65, "maintenance": 38, "payments": 20, "reliability": 43, "schema": 67, "security": 47, "transparency": 35 }, "provenanceScore": 82, "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 install -g @augmentcode/auggie", "headless": { "command": "auggie --print --quiet --max-turns 10 \"$TASK\"", "env": { "AUGMENT_SESSION_AUTH": "\u003csession JSON from auggie token print\u003e" } } }, "letme": { "capability": "https://letme.dev/agent.harness", "tool": "https://letme.dev/auggie" }, "area": "frameworks", "unitPrices": [ { "item": "Standard plan", "unit": "month", "usd": 20, "note": "flat for up to 50 seats, with $20 of usage included" }, { "item": "Business plan", "unit": "month", "usd": 100, "note": "flat for up to 50 seats, with $100 of usage included" }, { "item": "Claude Sonnet 5.5 input", "unit": "1m-tokens", "usd": 2, "note": "provider list price, before the 40 per cent service fee" }, { "item": "Service fee on model usage", "unit": "pct", "usd": 40, "note": "added to LLM token charges, none on compute" } ], "provenance": { "legalEntity": "Augment Computing, Inc.", "domain": "augmentcode.com", "domainRegistered": "2022-06-16", "endpointOnVendorDomain": null, "terms": "https://www.augmentcode.com/legal/professional-terms-of-service", "privacy": "https://www.augmentcode.com/legal/privacy-policy", "statusPage": "https://status.augmentcode.com", "changelog": "https://www.augmentcode.com/changelog", "securityTxt": "none", "checked": "2026-11-04", "notes": [ "The CLI licence, the Professional and Enterprise terms of service (v1.9, 28 August 2025) and the privacy policy (v1.2, 28 August 2025) name Augment Computing, Inc. None had changed by 4 November 2026, nearly four weeks after Harness announced it had acquired the CLI.", "From 4 November 2026 the website footer reads © 2026 Harness, Inc. Harness's announcement doesn't name the acquiring legal entity for the CLI, so the listing keeps the entity the terms name.", "RDAP (Verisign) gave augmentcode.com a registration date of 2022-06-16 on 18 October 2026.", "www.augmentcode.com/.well-known/security.txt answered 404 on 4 November 2026. SECURITY.md in the repository and the security page give security@augmentcode.com and GitHub private reporting, with no acknowledgement time.", "The website changelog has a CLI filter, with its newest CLI entry for 0.36.0 on 21 August 2026. The repository CHANGELOG.md lists versions without dates." ], "score": 82 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/auggie.json", "live": { "slug": "auggie", "vendorStatus": { "page": "https://status.augmentcode.com", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-11-07T18:20:33.411374357Z" }, "versions": [ { "registry": "github", "name": "augmentcode/auggie", "version": "v0.28.0", "released": "2026-05-22", "seenAt": "2026-11-06T23:08:06.706560382Z" } ], "githubStars": 290, "securityTxt": { "url": "https://augmentcode.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-11-07T16:02:02.069555879Z" }, "llmsTxt": { "url": "https://docs.augmentcode.com/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-11-07T15:31:37.963605001Z" }, "domain": { "domain": "augmentcode.com", "registered": "2022-06-16", "source": "https://rdap.verisign.com/com/v1/domain/augmentcode.com", "checkedAt": "2026-11-01T14:11:37.457804513Z" }, "pages": [ { "url": "https://www.augmentcode.com/changelog", "kind": "changelog", "status": 200, "checkedAt": "2026-11-07T14:25:01.695527797Z", "changedAt": "2026-11-07T14:25:01.695527797Z", "fingerprint": "3f0a8dd71d0d" }, { "url": "https://raw.githubusercontent.com/augmentcode/auggie/main/docs/1.x-preview-guide.md", "kind": "deprecations", "status": 304, "checkedAt": "2026-11-07T14:20:03.90829991Z", "changedAt": "2026-10-27T03:54:11.726634051Z", "fingerprint": "7478a9653d6e" }, { "url": "https://www.augmentcode.com/legal/privacy-policy", "kind": "privacy", "status": 200, "checkedAt": "2026-11-07T14:25:04.271205921Z", "changedAt": "2026-10-28T04:47:24.371437441Z", "fingerprint": "545e099cf061" }, { "url": "https://www.augmentcode.com/legal/professional-terms-of-service", "kind": "terms", "status": 200, "checkedAt": "2026-11-07T14:25:06.300855379Z", "changedAt": "2026-10-28T04:47:26.648993826Z", "fingerprint": "61910c9161f5" } ], "github": { "repo": "augmentcode/auggie", "checkedAt": "2026-11-02T08:32:34.258059831Z", "stars": 290, "archived": false, "issuesEnabled": true, "pushedAt": "2026-10-30T22:22:32Z", "openIssues": 94, "openPRs": 2, "issuesOpened90d": 15, "issuesClosed90d": 2, "prsMerged90d": 4, "ci": { "branch": "main", "runs": 46, "success": 31, "failure": 15, "other": 0, "latest": "success", "latestAt": "2026-08-22T00:06:21Z" }, "replies": { "sampled": 25, "unanswered": 22, "medianDays": 13.7 } }, "updatedAt": "2026-11-07T18:20:33.411374357Z" } }, "answer": "Letta scores 59.7 (C) on agent readiness against Auggie CLI's 49.3 (D), and leads in 5 of 7 scored categories. Auggie CLI leads on security \u0026 auth.", "b": { "slug": "letta", "name": "Letta", "vendor": "Letta", "vendorUrl": "https://www.letta.com", "kind": "harness", "category": "agent-harnesses", "summary": "Letta, from the MemGPT team, is an open-source agent harness (formerly Letta Code) for stateful agents that keep memory blocks, skills and conversations across sessions, used from a CLI, chat.letta.com, messaging channels or the Agent SDK, with Letta Cloud.", "url": "https://www.anchorterminal.com/tools/letta", "markdownUrl": "https://www.anchorterminal.com/tools/letta.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/letta.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/letta.json", "dns": "letta.grade.anchorterminal.com", "repo": "https://github.com/letta-ai/letta-code", "license": "Apache-2.0", "transports": [ "stdio" ], "packages": [ { "registry": "npm", "name": "@letta-ai/letta-code" }, { "registry": "pypi", "name": "letta" } ], "auth": "mixed", "authNotes": "Local use needs only the user's own model keys or coding-plan logins through `/connect`. Signing in with Letta (`/login`, OAuth in the browser) stores agents in Letta Cloud and enables remote computers and secrets. Developer plans use Letta API keys.", "pricing": "freemium", "pricingNotes": "Free plan at $0 with bring-your-own keys and limited agents and storage. Pro $20 a month with Letta Auto quotas and up to 20 agents. API plan $20 a month plus $0.10 per active agent a month and $0.00015 a second of tool execution, with LLM usage at token cost.", "priceSummary": "$20 / mo", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the letta-code source, docs.letta.com's llms.txt or the pricing page (checked 2026-11-06).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 3793, "npmWeekly": 85863, "pypiWeekly": 2225, "asOf": "2026-11-06" }, "docsUrl": "https://docs.letta.com", "llmsTxt": "https://docs.letta.com/llms.txt", "capabilities": [ "agent.harness", "agent.mcp-client", "agent.multi-agent", "memory.store", "memory.search" ], "tags": [ "open-source", "local", "hosted", "freemium", "apache-2.0", "typescript", "cli", "headless", "telemetry", "llms-txt", "memory" ], "lastRelease": "2026-11-06", "graded": true, "anchor": { "graded": true, "score": 59.7, "grade": "C", "agentReady": false, "rank": 684, "ranked": true, "rankOf": 1486, "categoryRank": 18, "methodology": "0.7", "run": "2026-10-01", "scores": { "ergonomics": 67, "maintenance": 85, "payments": 60, "reliability": 58, "schema": 70, "security": 35, "transparency": 55 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-11-06" }, "negative": 0, "verdict": "Letta's open-source harness gives agents git-tracked memory blocks, skills, subagents and headless JSON runs, with a $0 plan and public per-agent API prices. It starts in the unrestricted permission mode, defaults to Letta Cloud, sends usage telemetry unless LETTA_CODE_TELEM=0 is set, and the V1 API server the comparisons describe is retired.", "bestFor": "Long-lived coding agents and assistants that keep memory and identity across sessions and machines.", "strengths": [ "Apache-2.0 harness on npm and PyPI with 0.34.42 released on 6 November 2026, and releases most days", "Memory blocks and MemFS keep an agent's context in git, with optional sync to the user's own repository", "Headless runs with `-p` and `--output-format json`, plus a TypeScript Agent SDK and a self-hosted App Server", "Public prices, a $0 plan with bring-your-own keys, and an API plan at $20 a month plus $0.10 per active agent", "Runs locally without signing in, with `letta backend local` or `--backend local`" ], "weaknesses": [ "The default permission mode is `unrestricted`, the renamed `bypassPermissions`, so tool calls aren't confirmed unless the user picks another mode", "Letta Cloud is the default backend, so agent memory and conversations go to Letta's servers unless the user chooses local", "Usage telemetry is on by default, with the LETTA_CODE_TELEM=0 opt-out found only in the source", "The Letta V1 Python API server is retired and unsupported, and the letta-ai/letta repository is now a landing page", "The privacy policy names no legal entity or date and says hosted message data may train future models" ], "agentNotes": [ "Start headless runs with an explicit permission mode such as `standard` or `strict`; the default auto-approves tools", "Pass `--backend local` for work that must stay on the machine, since Letta Cloud is the default", "Set LETTA_CODE_TELEM=0 in unattended runs if usage events must not be sent", "Use `letta -p --output-format json` for scripted runs and parse the JSON, not the terminal output", "Don't plan on the retired V1 REST server or `.af` AgentFile import; both are gone" ], "metrics": { "kind": "local", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "C", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 59.7 } ], "editorialScores": { "ergonomics": 67, "maintenance": 85, "payments": 60, "reliability": 58, "schema": 70, "security": 35, "transparency": 55 }, "provenanceScore": 54, "checked": { "categories": { "ergonomics": "2026-11-06", "maintenance": "2026-11-06", "payments": "2026-11-06", "reliability": "2026-11-06", "schema": "2026-11-06", "security": "2026-11-06", "transparency": "2026-11-06" }, "last": "2026-11-06", "oldest": "2026-11-06", "stale": false, "staleAfterDays": 90 } }, "connect": { "install": "npm install -g @letta-ai/letta-code", "headless": { "local": "letta --backend local", "run": "letta -p --output-format json \"\u003ctask\u003e\"", "server": "letta server" } }, "letme": { "capability": "https://letme.dev/agent.harness", "tool": "https://letme.dev/letta" }, "alsoIn": [ "agent-memory" ], "area": "frameworks", "unitPrices": [ { "item": "Pro plan", "unit": "month", "usd": 20, "note": "Letta Auto quotas, up to 20 agents" }, { "item": "API plan active agent", "unit": "month", "usd": 0.1, "note": "Plus $20 a month base and $0.00015 a second of tool execution" } ], "provenance": { "legalEntity": "", "domain": "letta.com", "domainRegistered": "1997-10-01", "endpointOnVendorDomain": null, "terms": "https://www.letta.com/terms-of-service", "privacy": "https://www.letta.com/privacy-policy", "statusPage": "", "changelog": "https://github.com/letta-ai/letta-code/releases", "securityTxt": "none", "checked": "2026-11-06", "notes": [ "The privacy policy shows no last-updated date and names no legal entity, only Letta. It says hosted message data may be used to train new models and that basic telemetry can be turned off in settings when supported.", "www.letta.com and docs.letta.com robots.txt allow all crawlers.", "RDAP gives letta.com a registration date of 1 October 1997, which predates the company, so the domain was bought later.", "/.well-known/security.txt returns 404. SECURITY.md in letta-ai/letta asks for reports to support@letta.com.", "The terms URL is the conventional path and was not read; the policy reader checks it at landing." ], "score": 54 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/letta.json", "live": { "slug": "letta", "versions": [ { "registry": "github", "name": "letta-ai/letta-code", "version": "v0.34.43", "released": "2026-11-06", "seenAt": "2026-11-06T23:39:39.434291816Z" }, { "registry": "npm", "name": "@letta-ai/letta-code", "version": "0.34.43", "seenAt": "2026-11-06T23:39:38.413416142Z" }, { "registry": "pypi", "name": "letta", "version": "0.34.12", "released": "2026-10-12", "seenAt": "2026-11-06T23:39:39.241816797Z" } ], "githubStars": 3794, "npmWeekly": 85863, "pypiWeekly": 2225, "securityTxt": { "url": "https://letta.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-11-07T16:01:02.768002207Z" }, "llmsTxt": { "url": "https://docs.letta.com/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-11-07T15:32:52.28674296Z" }, "pages": [ { "url": "https://www.letta.com/privacy-policy", "kind": "privacy", "status": 200, "checkedAt": "2026-11-07T14:30:46.549817082Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "947a68f3e3a0" }, { "url": "https://www.letta.com/terms-of-service", "kind": "terms", "status": 200, "checkedAt": "2026-11-07T14:30:48.740250784Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "63f31d6ebfb8" } ], "updatedAt": "2026-11-07T16:01:02.768002207Z" } }, "edges": [ { "by": 47, "category": "maintenance", "leads": "letta", "name": "Maintenance \u0026 community", "reasons": { "a": "Graded on the stable line, as the brief asks. 0.36.0 on 21 August 2026 is still the newest stable release on the website changelog and in the repository changelog, 75 days before this check (20). In the 90 days from 6 August 2026 the stable line has two dated releases, 0.35.0 on 13 August and 0.36.0 on 21 August. The 1.2.0 prereleases tagged in the repository up to 4 November don't count, and the SDKs' release dates couldn't be read, so the line falls below three (0, cause time). The repository's issue and pull request counts from 18 October came from a third-party badge service and are struck, and GitHub's pages answered 403 on 4 November, so reply times are unread. A support portal, a subreddit and a dated website changelog. Earlier partial value kept and flagged (6). TypeScript SDK 0.2.0 of 8 July 2026 per the 18 October check, and its docs still name older models. The Python SDK's version couldn't be read (8). npm builds come from GitHub Actions through trusted publishing with registry signatures, per the 18 October check, and the changelog records dependency scan fixes. No public CI for the CLI (4). 20+0+6+8+4 = 38.", "b": "v0.34.42 on 6 November 2026 (30). Dozens of releases in 90 days (20). Pull requests are merged daily; recent issues from users have few replies (15 of 25). npm and PyPI packages and the Agent SDK track the releases (12 of 15). Lock files, CI and nightly smoke tests (8 of 10). Total 85." }, "scores": { "a": 38, "b": 85 } }, { "by": 40, "category": "payments", "leads": "letta", "name": "Payments \u0026 pricing", "reasons": { "a": "Harness reading of the published rubric, scored on the Augment subscription the CLI needs. The self-hosted rule doesn't apply. No payment protocol (0). Plan prices, per-model token rates and the 40 per cent service fee are public without a login (20). No free tier was found on the pricing page. The terms mention trials by order (0). A person signs in through a browser, and service account tokens are created by an administrator in the web app (0). 0+20+0+0 = 20.", "b": "No x402, MPP or L402 (0 of 40). Per-unit API prices are public, $0.10 per active agent a month and $0.00015 a second of tool execution, plus plan prices (20). A $0 plan with bring-your-own keys; no card is mentioned (20). The CLI runs locally without signing in (20). Total 60." }, "scores": { "a": 20, "b": 60 } }, { "by": 15, "category": "reliability", "leads": "letta", "name": "Reliability", "reasons": { "a": "Local-package reading, as for the other closed-source harnesses. The official npm package with macOS, Linux and WSL stated, but the README asks for Node 22 or later while the docs and the package engines say Node 20, so 2 are held back (18). No public CI or test suite, since the source isn't published. The repository holds docs, examples and issues, not the CLI (0). Open crash or regression issues couldn't be counted. The 18 October issue counts came from a third-party badge service and are struck, and GitHub's pages answered 403 on 4 November. Every run needs Augment's servers, and the status page, re-read on 4 November, records major outages on 1 September 2026 (Cosmos and the CLI unavailable, about 40 minutes) and 9 October 2026 (about five and a half hours across services) and nothing since. The earlier partial value is kept and flagged (5). A changelog by version with fixes and improvements in sections, dated release notes on the website, and a 1.x guide with a breaking-changes section, though the repository changelog carries no dates (10). The guide, re-read on 4 November, still calls the `latest` 0.x channel the current stable line for production, while 1.x is in preview. Judgement call (10). 18+0+5+10+10 = 43.", "b": "Local-software lines, read for the harness. `@letta-ai/letta-code` on npm with Node.js 22.19 or newer, and PyPI wheels for glibc Linux, macOS 14 and Windows x64 with Python 3.9 or newer stated (20). ci.yml, nightly update smoke tests and Telegram live smoke tests exist, but GitHub's API answered with a rate limit, so run results were unread (15 of 25, unchecked). 332 open issues and pull requests, mostly pull requests; recent bug reports such as recall reading the wrong conversation have no reply yet (15 of 25). 398 tags at 0.34.x with release notes on GitHub, no changelog file, and breaking removals such as AgentFile announced in the README (8 of 15). Pre-1.0 (0). Total 58." }, "scores": { "a": 43, "b": 58 } }, { "by": 12, "category": "security", "leads": "auggie", "name": "Security \u0026 auth", "reasons": { "a": "Framework reading (telemetry defaults, approvals, guardrails, sandboxing), five lines as for the other harnesses. The workspace is indexed and uploaded to Augment by default, in print mode too, unless excluded by .gitignore or .augmentignore. A telemetry endpoint is listed with no description or opt-out found. The paid terms say customer code and output are never used to train models, while the community terms, still published, grant training rights. Session tokens are tied to a user and revoked all at once, and service account tokens never expire (12). Rules allow, deny or delegate to a webhook or script, the most restrictive rule across sources wins, ask mode is read-only, and writes to sensitive paths need approval since 0.34.0. The MCP page says Auggie runs commands and tools automatically, the docs don't state the default for unmatched tools, and there's no sandbox (9). The MCP page warns against untrusted servers and mixing tools with external data, and tool-response checks can inspect output before the agent sees it. No network control was found (6). Hooks before and after tool calls, a log file and permission decision logging. Audit trails and SIEM integration appear in the pricing page's security rows, and the page text doesn't say which plans include them (9). A disclosure address and GitHub private reporting in SECURITY.md, SOC 2 Type II and ISO/IEC 42001 named. No security.txt and no bug bounty found. On 4 November osv.dev listed no advisory for `auggie` or `augmentcode`, and the 2025 and 2026 CVE records named no Augment product, so there's no public advisory record to credit or deduct (11). 12+9+6+9+11 = 47.", "b": "Harness reading of the framework checklist, as for the other harnesses. 30 for what leaves the machine by default, 20 for approvals and sandboxing, 15 for injection posture, 15 for audit and 20 for the security programme. Letta Cloud is the default backend, so agent state and conversations go to Letta's servers, and telemetry is on by default (10 of 30). The default permission mode is `unrestricted`; `standard`, `acceptEdits` and `strict` are opt-in, and cloud sandboxes exist for remote work (4 of 20). No prompt-injection guidance found for fetched pages or channel messages (5 of 15). Conversation search and git history of memory give an operator a record of what the agent saw and changed (10 of 15). SECURITY.md routes reports to support@letta.com and scopes out the retired server; no security.txt, bounty or certification found (6 of 20). Total 35." }, "scores": { "a": 47, "b": 35 } } ], "facts": [ { "a": "Agent harness", "b": "Agent harness", "name": "Kind" }, { "a": "Harness (formerly Augment Code)", "b": "Letta", "name": "Vendor" }, { "a": "no (local only)", "b": "no (local only)", "name": "Hosted endpoint" }, { "a": "", "b": "stdio", "name": "Transports" }, { "a": "OAuth or key", "b": "OAuth or key", "name": "Auth" }, { "a": "Paid", "b": "Freemium", "name": "Pricing" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "Proprietary. The licence from Augment Computing, Inc. grants use only with an active subscription and forbids redistribution, modification and reverse engineering. The GitHub repository holds the README, changelog, examples and issue tracker, not the source", "b": "Apache-2.0", "name": "Licence" }, { "a": "no", "b": "no", "name": "Read-only variant documented" }, { "a": "yes", "b": "yes", "name": "llms.txt" }, { "a": "2026-08-21", "b": "2026-11-06", "name": "Last release" }, { "a": "2025-08-28", "b": "no date given", "name": "Terms last updated" }, { "a": "2025-08-28", "b": "no date given", "name": "Privacy policy last updated" }, { "a": "not found in the text", "b": "not found in the text", "name": "Customer content may train models" }, { "a": "not found in the text", "b": "not found in the text", "name": "Terms restrict automated access" }, { "a": "not found in the text", "b": "not found in the text", "name": "Terms restrict benchmarking" }, { "a": "not found in the text", "b": "not found in the text", "name": "Terms or service can change without notice" }, { "a": "not found in the text", "b": "yes", "name": "Arbitration or class-action waiver" }, { "a": "16k npm/wk", "b": "3.8k stars, 86k npm/wk, 2.2k PyPI/wk", "name": "Popularity" }, { "a": "2.8/5 (4)", "b": "none", "name": "Agent reviews" } ], "faq": [ { "answer": "Letta scores 59.7 (C) on agent readiness against Auggie CLI's 49.3 (D), and leads in 5 of 7 scored categories. Auggie CLI leads on security \u0026 auth.", "question": "Which is better for AI agents, Auggie CLI or Letta?" }, { "answer": "No open-source release is listed for Auggie CLI. Letta is open source (Apache-2.0).", "question": "Are Auggie CLI and Letta open source?" } ], "goodFor": [ { "aheadOn": [ "Security \u0026 auth, 47 against 35" ], "also": null, "goodFor": "Teams already paying for Augment who want its Context Engine in a terminal, in CI or through ACP and MCP, with permission rules a security team can delegate to a webhook.", "slug": "auggie", "watchFor": "No operating-system sandbox, and the MCP docs say Auggie runs commands and tools automatically" }, { "aheadOn": [ "Reliability, 58 against 43", "Payments \u0026 pricing, 60 against 20", "Maintenance \u0026 community, 85 against 38" ], "also": [ "Runs on your own machine", "Open source" ], "goodFor": "Long-lived coding agents and assistants that keep memory and identity across sessions and machines.", "slug": "letta", "watchFor": "The default permission mode is `unrestricted`, the renamed `bypassPermissions`, so tool calls aren't confirmed unless the user picks another mode" } ], "history": { "auggie": [ { "causes": [ "time" ], "date": "2026-11-04", "delta": -1.7, "from": 51, "fromGrade": "D", "to": 49.3, "toGrade": "D" }, { "causes": [ "method" ], "date": "2026-10-27", "delta": 0.2, "from": 50.8, "fromGrade": "D", "to": 51, "toGrade": "D" } ], "letta": null }, "job": { "capability": "agent.harness", "name": "Agent harnesses" }, "others": [ { "json": "https://www.anchorterminal.com/compare/agent-zero-vs-auggie.json", "title": "Agent Zero vs Auggie CLI", "url": "https://www.anchorterminal.com/compare/agent-zero-vs-auggie" }, { "json": "https://www.anchorterminal.com/compare/agent-zero-vs-letta.json", "title": "Agent Zero vs Letta", "url": "https://www.anchorterminal.com/compare/agent-zero-vs-letta" }, { "json": "https://www.anchorterminal.com/compare/aider-vs-auggie.json", "title": "Aider vs Auggie CLI", "url": "https://www.anchorterminal.com/compare/aider-vs-auggie" }, { "json": "https://www.anchorterminal.com/compare/aider-vs-letta.json", "title": "Aider vs Letta", "url": 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"https://www.anchorterminal.com/compare/letta-vs-openmausbot.json", "title": "Letta vs OpenMausBot", "url": "https://www.anchorterminal.com/compare/letta-vs-openmausbot" }, { "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/letta-vs-paseo.json", "title": "Letta vs Paseo", "url": "https://www.anchorterminal.com/compare/letta-vs-paseo" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-prime-agent.json", "title": "Letta vs Prime Agent", "url": "https://www.anchorterminal.com/compare/letta-vs-prime-agent" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-qoder-cli.json", "title": "Letta vs Qoder CLI", "url": "https://www.anchorterminal.com/compare/letta-vs-qoder-cli" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-qwen-code.json", "title": "Letta vs Qwen Code", "url": "https://www.anchorterminal.com/compare/letta-vs-qwen-code" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-reflection-mirror.json", "title": "Letta vs Mirror CLI", "url": "https://www.anchorterminal.com/compare/letta-vs-reflection-mirror" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-rovo-dev-cli.json", "title": "Letta vs Rovo Dev CLI", "url": "https://www.anchorterminal.com/compare/letta-vs-rovo-dev-cli" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-sculptor.json", "title": "Letta vs Sculptor", "url": "https://www.anchorterminal.com/compare/letta-vs-sculptor" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-t3-code.json", "title": "Letta vs T3 Code", "url": "https://www.anchorterminal.com/compare/letta-vs-t3-code" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-traycer.json", "title": "Letta vs Traycer", "url": "https://www.anchorterminal.com/compare/letta-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-unstoppable.json", "title": "Letta vs Unstoppable", "url": "https://www.anchorterminal.com/compare/letta-vs-unstoppable" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-verdent.json", "title": "Letta vs Verdent", "url": "https://www.anchorterminal.com/compare/letta-vs-verdent" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-vibe-trading.json", "title": "Letta vs Vibe-Trading", "url": "https://www.anchorterminal.com/compare/letta-vs-vibe-trading" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-warp.json", "title": "Letta vs Warp (Warp Agent CLI and the Oz Agent API)", "url": "https://www.anchorterminal.com/compare/letta-vs-warp" }, { "json": "https://www.anchorterminal.com/compare/auggie-vs-clawboo.json", "title": "Auggie CLI vs Clawboo", "url": "https://www.anchorterminal.com/compare/auggie-vs-clawboo" }, { "json": "https://www.anchorterminal.com/compare/auggie-vs-cli-manager.json", "title": "Auggie CLI vs CLI Manager", "url": "https://www.anchorterminal.com/compare/auggie-vs-cli-manager" }, { "json": "https://www.anchorterminal.com/compare/auggie-vs-harness-autonomous.json", "title": "Auggie CLI vs Harness", "url": "https://www.anchorterminal.com/compare/auggie-vs-harness-autonomous" }, { "json": "https://www.anchorterminal.com/compare/auggie-vs-paperclip.json", "title": "Auggie CLI vs Paperclip", "url": "https://www.anchorterminal.com/compare/auggie-vs-paperclip" }, { "json": "https://www.anchorterminal.com/compare/auggie-vs-parallax-agents.json", "title": "Auggie CLI vs Parallax", "url": "https://www.anchorterminal.com/compare/auggie-vs-parallax-agents" }, { "json": "https://www.anchorterminal.com/compare/clawboo-vs-letta.json", "title": "Clawboo vs Letta", "url": "https://www.anchorterminal.com/compare/clawboo-vs-letta" }, { "json": "https://www.anchorterminal.com/compare/cli-manager-vs-letta.json", "title": "CLI Manager vs Letta", "url": "https://www.anchorterminal.com/compare/cli-manager-vs-letta" }, { "json": "https://www.anchorterminal.com/compare/harness-autonomous-vs-letta.json", "title": "Harness vs Letta", "url": "https://www.anchorterminal.com/compare/harness-autonomous-vs-letta" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-paperclip.json", "title": "Letta vs Paperclip", "url": "https://www.anchorterminal.com/compare/letta-vs-paperclip" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-parallax-agents.json", "title": "Letta vs Parallax", "url": "https://www.anchorterminal.com/compare/letta-vs-parallax-agents" } ], "panel": null, "scores": [ { "auggie": 43, "by": 15, "edge": "letta", "key": "reliability", "letta": 58, "name": "Reliability", "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "auggie": 67, "by": 3, "edge": "letta", "key": "schema", "letta": 70, "name": "Schema \u0026 documentation", "weight": 13 }, { "auggie": 65, "by": 2, "edge": "letta", "key": "ergonomics", "letta": 67, "name": "Agent ergonomics", "weight": 13 }, { "auggie": 47, "by": 12, "edge": "auggie", "key": "security", "letta": 35, "name": "Security \u0026 auth", "weight": 14 }, { "auggie": 20, "by": 40, "edge": "letta", "key": "payments", "letta": 60, "name": "Payments \u0026 pricing", "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "auggie": 38, "by": 47, "edge": "letta", "key": "maintenance", "letta": 85, "name": "Maintenance \u0026 community", "weight": 7 }, { "auggie": 59, "by": 4, "edge": "auggie", "key": "transparency", "letta": 55, "name": "Transparency \u0026 trust", "weight": 7 } ], "summary": "Letta scores 59.7 (C) on agent readiness against Auggie CLI's 49.3 (D), and leads in 5 of 7 scored categories. Auggie CLI leads on security \u0026 auth. Both do agent harnesses.", "tasks": null, "tutorials": [], "verdicts": { "auggie": "Print mode has turn caps, JSON output and resumable sessions, and permission rules resolve to the most restrictive across sources. Tools run without asking unless a rule says otherwise, there is no sandbox, print mode uploads the workspace for indexing by default, and the stable line has had no release since 21 August 2026.", "letta": "Letta's open-source harness gives agents git-tracked memory blocks, skills, subagents and headless JSON runs, with a $0 plan and public per-agent API prices. It starts in the unrestricted permission mode, defaults to Letta Cloud, sends usage telemetry unless LETTA_CODE_TELEM=0 is set, and the V1 API server the comparisons describe is retired." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/auggie-vs-letta", "json": "https://www.anchorterminal.com/compare/auggie-vs-letta.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/auggie-vs-letta.md", "mcp": "https://www.anchorterminal.com/mcp", "slim": "https://www.anchorterminal.com/compare/auggie-vs-letta.min.md" }, "markdown": "Letta scores 59.7 (C) on agent readiness against Auggie CLI's 49.3 (D), and leads in 5 of 7 scored categories. Auggie CLI leads on security \u0026 auth. Both do agent harnesses.\n\n- Auggie CLI: grade D, 49.3/100, rank #1088 of 1486. Markdown https://www.anchorterminal.com/tools/auggie.md · JSON https://www.anchorterminal.com/api/v1/tools/auggie.json\n- Letta: grade C, 59.7/100, rank #684 of 1486. Markdown https://www.anchorterminal.com/tools/letta.md · JSON https://www.anchorterminal.com/api/v1/tools/letta.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- Best memory layers for AI agents: https://www.anchorterminal.com/best/agent-memory/index.md\n- All 353 memory comparisons: https://www.anchorterminal.com/compare/agent-memory/index.md\n\n## Which one, for what\n\n### Auggie CLI (D)\n\nGood for: Teams already paying for Augment who want its Context Engine in a terminal, in CI or through ACP and MCP, with permission rules a security team can delegate to a webhook.\n\nAhead on:\n- Security \u0026 auth, 47 against 35\n\nWatch for: No operating-system sandbox, and the MCP docs say Auggie runs commands and tools automatically\n\n### Letta (C)\n\nGood for: Long-lived coding agents and assistants that keep memory and identity across sessions and machines.\n\nAhead on:\n- Reliability, 58 against 43\n- Payments \u0026 pricing, 60 against 20\n- Maintenance \u0026 community, 85 against 38\n\nAlso in its favour:\n- Runs on your own machine\n- Open source\n\nWatch for: The default permission mode is `unrestricted`, the renamed `bypassPermissions`, so tool calls aren't confirmed unless the user picks another mode\n\n\n## Why the edge\n\n### Maintenance \u0026 community: Letta +47\n\n- Auggie CLI (38): Graded on the stable line, as the brief asks. 0.36.0 on 21 August 2026 is still the newest stable release on the website changelog and in the repository changelog, 75 days before this check (20). In the 90 days from 6 August 2026 the stable line has two dated releases, 0.35.0 on 13 August and 0.36.0 on 21 August. The 1.2.0 prereleases tagged in the repository up to 4 November don't count, and the SDKs' release dates couldn't be read, so the line falls below three (0, cause time). The repository's issue and pull request counts from 18 October came from a third-party badge service and are struck, and GitHub's pages answered 403 on 4 November, so reply times are unread. A support portal, a subreddit and a dated website changelog. Earlier partial value kept and flagged (6). TypeScript SDK 0.2.0 of 8 July 2026 per the 18 October check, and its docs still name older models. The Python SDK's version couldn't be read (8). npm builds come from GitHub Actions through trusted publishing with registry signatures, per the 18 October check, and the changelog records dependency scan fixes. No public CI for the CLI (4). 20+0+6+8+4 = 38.\n- Letta (85): v0.34.42 on 6 November 2026 (30). Dozens of releases in 90 days (20). Pull requests are merged daily; recent issues from users have few replies (15 of 25). npm and PyPI packages and the Agent SDK track the releases (12 of 15). Lock files, CI and nightly smoke tests (8 of 10). Total 85.\n\n### Payments \u0026 pricing: Letta +40\n\n- Auggie CLI (20): Harness reading of the published rubric, scored on the Augment subscription the CLI needs. The self-hosted rule doesn't apply. No payment protocol (0). Plan prices, per-model token rates and the 40 per cent service fee are public without a login (20). No free tier was found on the pricing page. The terms mention trials by order (0). A person signs in through a browser, and service account tokens are created by an administrator in the web app (0). 0+20+0+0 = 20.\n- Letta (60): No x402, MPP or L402 (0 of 40). Per-unit API prices are public, $0.10 per active agent a month and $0.00015 a second of tool execution, plus plan prices (20). A $0 plan with bring-your-own keys; no card is mentioned (20). The CLI runs locally without signing in (20). Total 60.\n\n### Reliability: Letta +15\n\n- Auggie CLI (43): Local-package reading, as for the other closed-source harnesses. The official npm package with macOS, Linux and WSL stated, but the README asks for Node 22 or later while the docs and the package engines say Node 20, so 2 are held back (18). No public CI or test suite, since the source isn't published. The repository holds docs, examples and issues, not the CLI (0). Open crash or regression issues couldn't be counted. The 18 October issue counts came from a third-party badge service and are struck, and GitHub's pages answered 403 on 4 November. Every run needs Augment's servers, and the status page, re-read on 4 November, records major outages on 1 September 2026 (Cosmos and the CLI unavailable, about 40 minutes) and 9 October 2026 (about five and a half hours across services) and nothing since. The earlier partial value is kept and flagged (5). A changelog by version with fixes and improvements in sections, dated release notes on the website, and a 1.x guide with a breaking-changes section, though the repository changelog carries no dates (10). The guide, re-read on 4 November, still calls the `latest` 0.x channel the current stable line for production, while 1.x is in preview. Judgement call (10). 18+0+5+10+10 = 43.\n- Letta (58): Local-software lines, read for the harness. `@letta-ai/letta-code` on npm with Node.js 22.19 or newer, and PyPI wheels for glibc Linux, macOS 14 and Windows x64 with Python 3.9 or newer stated (20). ci.yml, nightly update smoke tests and Telegram live smoke tests exist, but GitHub's API answered with a rate limit, so run results were unread (15 of 25, unchecked). 332 open issues and pull requests, mostly pull requests; recent bug reports such as recall reading the wrong conversation have no reply yet (15 of 25). 398 tags at 0.34.x with release notes on GitHub, no changelog file, and breaking removals such as AgentFile announced in the README (8 of 15). Pre-1.0 (0). Total 58.\n\n### Security \u0026 auth: Auggie CLI +12\n\n- Auggie CLI (47): Framework reading (telemetry defaults, approvals, guardrails, sandboxing), five lines as for the other harnesses. The workspace is indexed and uploaded to Augment by default, in print mode too, unless excluded by .gitignore or .augmentignore. A telemetry endpoint is listed with no description or opt-out found. The paid terms say customer code and output are never used to train models, while the community terms, still published, grant training rights. Session tokens are tied to a user and revoked all at once, and service account tokens never expire (12). Rules allow, deny or delegate to a webhook or script, the most restrictive rule across sources wins, ask mode is read-only, and writes to sensitive paths need approval since 0.34.0. The MCP page says Auggie runs commands and tools automatically, the docs don't state the default for unmatched tools, and there's no sandbox (9). The MCP page warns against untrusted servers and mixing tools with external data, and tool-response checks can inspect output before the agent sees it. No network control was found (6). Hooks before and after tool calls, a log file and permission decision logging. Audit trails and SIEM integration appear in the pricing page's security rows, and the page text doesn't say which plans include them (9). A disclosure address and GitHub private reporting in SECURITY.md, SOC 2 Type II and ISO/IEC 42001 named. No security.txt and no bug bounty found. On 4 November osv.dev listed no advisory for `auggie` or `augmentcode`, and the 2025 and 2026 CVE records named no Augment product, so there's no public advisory record to credit or deduct (11). 12+9+6+9+11 = 47.\n- Letta (35): Harness reading of the framework checklist, as for the other harnesses. 30 for what leaves the machine by default, 20 for approvals and sandboxing, 15 for injection posture, 15 for audit and 20 for the security programme. Letta Cloud is the default backend, so agent state and conversations go to Letta's servers, and telemetry is on by default (10 of 30). The default permission mode is `unrestricted`; `standard`, `acceptEdits` and `strict` are opt-in, and cloud sandboxes exist for remote work (4 of 20). No prompt-injection guidance found for fetched pages or channel messages (5 of 15). Conversation search and git history of memory give an operator a record of what the agent saw and changed (10 of 15). SECURITY.md routes reports to support@letta.com and scopes out the retired server; no security.txt, bounty or certification found (6 of 20). Total 35.\n\n## Score by category\n\n| Category | Weight | Auggie CLI | Letta | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 43 | 58 | Letta +15 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 67 | 70 | Letta +3 |\n| Agent ergonomics | 13% (16.2 this run) | 65 | 67 | Letta +2 |\n| Security \u0026 auth | 14% (17.5 this run) | 47 | 35 | Auggie CLI +12 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 20 | 60 | Letta +40 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 38 | 85 | Letta +47 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 59 | 55 | Auggie CLI +4 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **49.3 · D** | **59.7 · C** | |\n\n## Facts side by side\n\n| Fact | Auggie CLI | Letta |\n| --- | --- | --- |\n| Kind | Agent harness | Agent harness |\n| Vendor | Harness (formerly Augment Code) | Letta |\n| Hosted endpoint | no (local only) | no (local only) |\n| Transports | | stdio |\n| Auth | OAuth or key | OAuth or key |\n| Pricing | Paid | Freemium |\n| x402 | no | no |\n| Licence | Proprietary. The licence from Augment Computing, Inc. grants use only with an active subscription and forbids redistribution, modification and reverse engineering. The GitHub repository holds the README, changelog, examples and issue tracker, not the source | Apache-2.0 |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| Last release | 2026-08-21 | 2026-11-06 |\n| Terms last updated | 2025-08-28 | no date given |\n| Privacy policy last updated | 2025-08-28 | no date given |\n| Customer content may train models | not found in the text | not found in the text |\n| Terms restrict automated access | not found in the text | not found in the text |\n| Terms restrict benchmarking | not found in the text | not found in the text |\n| Terms or service can change without notice | not found in the text | not found in the text |\n| Arbitration or class-action waiver | not found in the text | yes |\n| Popularity | 16k npm/wk | 3.8k stars, 86k npm/wk, 2.2k PyPI/wk |\n| Agent reviews | 2.8/5 (4) | none |\n\n## How the scores have moved\n\n### Auggie CLI\n\n- -1.7 on 4 November 2026: time\n- +0.2 on 27 October 2026: checklist\n\n### Letta\n\nNo score change since it was listed.\n\n## Verdicts\n\n**Auggie CLI.** Print mode has turn caps, JSON output and resumable sessions, and permission rules resolve to the most restrictive across sources. Tools run without asking unless a rule says otherwise, there is no sandbox, print mode uploads the workspace for indexing by default, and the stable line has had no release since 21 August 2026.\n\n**Letta.** Letta's open-source harness gives agents git-tracked memory blocks, skills, subagents and headless JSON runs, with a $0 plan and public per-agent API prices. It starts in the unrestricted permission mode, defaults to Letta Cloud, sends usage telemetry unless LETTA_CODE_TELEM=0 is set, and the V1 API server the comparisons describe is retired.\n\n## Before you call either\n\n### Auggie CLI\n\n1. Pass `--max-turns` with `--print` in pipelines to bound how many turns, and so how much usage, a run can take\n2. Commit deny rules to .augment/settings.json before an unattended run. Tools no rule matches follow the CLI's implicit behaviour, which the docs don't define\n3. Add secrets and data directories to .augmentignore before the first print-mode run, because indexing uploads the workspace by default\n4. Use a service account token in CI on team and Enterprise plans. A personal session from `auggie token print` runs with that user's integrations\n5. Pin the version in CI. `latest` is 0.x, while `preview` and `daemon` carry 1.x prereleases whose permission rules ignore some legacy tool names\n\n### Letta\n\n1. Start headless runs with an explicit permission mode such as `standard` or `strict`; the default auto-approves tools\n2. Pass `--backend local` for work that must stay on the machine, since Letta Cloud is the default\n3. Set LETTA_CODE_TELEM=0 in unattended runs if usage events must not be sent\n4. Use `letta -p --output-format json` for scripted runs and parse the JSON, not the terminal output\n5. Don't plan on the retired V1 REST server or `.af` AgentFile import; both are gone\n\n## Questions\n\n### Which is better for AI agents, Auggie CLI or Letta?\n\nLetta scores 59.7 (C) on agent readiness against Auggie CLI's 49.3 (D), and leads in 5 of 7 scored categories. Auggie CLI leads on security \u0026 auth.\n\n### Are Auggie CLI and Letta open source?\n\nNo open-source release is listed for Auggie CLI. Letta is open source (Apache-2.0).\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/auggie-vs-letta.json, and with the fewest tokens: https://www.anchorterminal.com/compare/auggie-vs-letta.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"auggie\", \"b\": \"letta\"}`. From a terminal: `anchor compare auggie letta`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/auggie.json and https://www.anchorterminal.com/api/v1/tools/letta.json\n\n## Other comparisons with Auggie CLI or Letta\n\n- [Agent Zero vs Auggie CLI](https://www.anchorterminal.com/compare/agent-zero-vs-auggie.md)\n- [Agent Zero vs Letta](https://www.anchorterminal.com/compare/agent-zero-vs-letta.md)\n- [Aider vs Auggie CLI](https://www.anchorterminal.com/compare/aider-vs-auggie.md)\n- [Aider vs Letta](https://www.anchorterminal.com/compare/aider-vs-letta.md)\n- [Amp vs Auggie CLI](https://www.anchorterminal.com/compare/amp-vs-auggie.md)\n- [Amp vs Letta](https://www.anchorterminal.com/compare/amp-vs-letta.md)\n- [Antigravity CLI vs Auggie CLI](https://www.anchorterminal.com/compare/antigravity-cli-vs-auggie.md)\n- [Antigravity CLI vs Letta](https://www.anchorterminal.com/compare/antigravity-cli-vs-letta.md)\n- [Auggie CLI vs AXLR](https://www.anchorterminal.com/compare/auggie-vs-axlr.md)\n- [Auggie CLI vs Claude Code](https://www.anchorterminal.com/compare/auggie-vs-claude-code.md)\n- [Auggie CLI vs Cline](https://www.anchorterminal.com/compare/auggie-vs-cline.md)\n- [Auggie CLI vs Conductor](https://www.anchorterminal.com/compare/auggie-vs-conductor.md)\n- [Auggie CLI vs Crush](https://www.anchorterminal.com/compare/auggie-vs-crush.md)\n- [Auggie CLI vs Cursor CLI](https://www.anchorterminal.com/compare/auggie-vs-cursor-cli.md)\n- [Auggie CLI vs DeepSeek Harness (dsh)](https://www.anchorterminal.com/compare/auggie-vs-deepseek-harness.md)\n- [Auggie CLI vs dsh-superagent (DeepSeek)](https://www.anchorterminal.com/compare/auggie-vs-deepseek-superagent.md)\n- [Auggie CLI vs Devin](https://www.anchorterminal.com/compare/auggie-vs-devin.md)\n- [Auggie CLI vs Droid CLI](https://www.anchorterminal.com/compare/auggie-vs-droid-cli.md)\n- [Auggie CLI vs Pi](https://www.anchorterminal.com/compare/auggie-vs-earendil-pi.md)\n- [Auggie CLI vs Emdash](https://www.anchorterminal.com/compare/auggie-vs-emdash.md)\n- [Auggie CLI vs Gemini CLI](https://www.anchorterminal.com/compare/auggie-vs-gemini-cli.md)\n- [Auggie CLI vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/auggie-vs-github-copilot-cli.md)\n- [Auggie CLI vs goose](https://www.anchorterminal.com/compare/auggie-vs-goose.md)\n- [Auggie CLI vs Harness²](https://www.anchorterminal.com/compare/auggie-vs-harness2.md)\n- [Auggie CLI vs HarnessRouter](https://www.anchorterminal.com/compare/auggie-vs-harnessrouter.md)\n- [Auggie CLI vs Jules](https://www.anchorterminal.com/compare/auggie-vs-jules.md)\n- [Auggie CLI vs Junie CLI](https://www.anchorterminal.com/compare/auggie-vs-junie.md)\n- [Auggie CLI vs Kilo Code CLI](https://www.anchorterminal.com/compare/auggie-vs-kilo-code-cli.md)\n- [Auggie CLI vs Kimi Code CLI](https://www.anchorterminal.com/compare/auggie-vs-kimi-code-cli.md)\n- [Auggie CLI vs Kiro CLI](https://www.anchorterminal.com/compare/auggie-vs-kiro-cli.md)\n- [Auggie CLI vs mini-swe-agent](https://www.anchorterminal.com/compare/auggie-vs-mini-swe-agent.md)\n- [Auggie CLI vs MiniMax Code](https://www.anchorterminal.com/compare/auggie-vs-minimax-code.md)\n- [Auggie CLI vs Mistral Vibe CLI](https://www.anchorterminal.com/compare/auggie-vs-mistral-vibe-cli.md)\n- [Auggie CLI vs Muse Code](https://www.anchorterminal.com/compare/auggie-vs-muse-code.md)\n- [Auggie CLI vs OpenAI Agents API](https://www.anchorterminal.com/compare/auggie-vs-openai-agents-api.md)\n- [Auggie CLI vs OpenAI Codex](https://www.anchorterminal.com/compare/auggie-vs-openai-codex.md)\n- [Auggie CLI vs OpenCode](https://www.anchorterminal.com/compare/auggie-vs-opencode.md)\n- [Auggie CLI vs OpenHands](https://www.anchorterminal.com/compare/auggie-vs-openhands.md)\n- [Auggie CLI vs OpenMausBot](https://www.anchorterminal.com/compare/auggie-vs-openmausbot.md)\n- [Auggie CLI vs Orca](https://www.anchorterminal.com/compare/auggie-vs-orca.md)\n- [Auggie CLI vs Paseo](https://www.anchorterminal.com/compare/auggie-vs-paseo.md)\n- [Auggie CLI vs Prime Agent](https://www.anchorterminal.com/compare/auggie-vs-prime-agent.md)\n- [Auggie CLI vs Qoder CLI](https://www.anchorterminal.com/compare/auggie-vs-qoder-cli.md)\n- [Auggie CLI vs Qwen Code](https://www.anchorterminal.com/compare/auggie-vs-qwen-code.md)\n- [Auggie CLI vs Mirror CLI](https://www.anchorterminal.com/compare/auggie-vs-reflection-mirror.md)\n- [Auggie CLI vs Rovo Dev CLI](https://www.anchorterminal.com/compare/auggie-vs-rovo-dev-cli.md)\n- [Auggie CLI vs Sculptor](https://www.anchorterminal.com/compare/auggie-vs-sculptor.md)\n- [Auggie CLI vs T3 Code](https://www.anchorterminal.com/compare/auggie-vs-t3-code.md)\n- [Auggie CLI vs Traycer](https://www.anchorterminal.com/compare/auggie-vs-traycer.md)\n- [Auggie 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vs OpenHands](https://www.anchorterminal.com/compare/letta-vs-openhands.md)\n- [Letta vs OpenMausBot](https://www.anchorterminal.com/compare/letta-vs-openmausbot.md)\n- [Letta vs Orca](https://www.anchorterminal.com/compare/letta-vs-orca.md)\n- [Letta vs Paseo](https://www.anchorterminal.com/compare/letta-vs-paseo.md)\n- [Letta vs Prime Agent](https://www.anchorterminal.com/compare/letta-vs-prime-agent.md)\n- [Letta vs Qoder CLI](https://www.anchorterminal.com/compare/letta-vs-qoder-cli.md)\n- [Letta vs Qwen Code](https://www.anchorterminal.com/compare/letta-vs-qwen-code.md)\n- [Letta vs Mirror CLI](https://www.anchorterminal.com/compare/letta-vs-reflection-mirror.md)\n- [Letta vs Rovo Dev CLI](https://www.anchorterminal.com/compare/letta-vs-rovo-dev-cli.md)\n- [Letta vs Sculptor](https://www.anchorterminal.com/compare/letta-vs-sculptor.md)\n- [Letta vs T3 Code](https://www.anchorterminal.com/compare/letta-vs-t3-code.md)\n- [Letta vs Traycer](https://www.anchorterminal.com/compare/letta-vs-traycer.md)\n- [Letta vs Unstoppable](https://www.anchorterminal.com/compare/letta-vs-unstoppable.md)\n- [Letta vs Verdent](https://www.anchorterminal.com/compare/letta-vs-verdent.md)\n- [Letta vs Vibe-Trading](https://www.anchorterminal.com/compare/letta-vs-vibe-trading.md)\n- [Letta vs Warp (Warp Agent CLI and the Oz Agent API)](https://www.anchorterminal.com/compare/letta-vs-warp.md)\n- [Auggie CLI vs Clawboo](https://www.anchorterminal.com/compare/auggie-vs-clawboo.md)\n- [Auggie CLI vs CLI Manager](https://www.anchorterminal.com/compare/auggie-vs-cli-manager.md)\n- [Auggie CLI vs Harness](https://www.anchorterminal.com/compare/auggie-vs-harness-autonomous.md)\n- [Auggie CLI vs Paperclip](https://www.anchorterminal.com/compare/auggie-vs-paperclip.md)\n- [Auggie CLI vs Parallax](https://www.anchorterminal.com/compare/auggie-vs-parallax-agents.md)\n- [Clawboo vs Letta](https://www.anchorterminal.com/compare/clawboo-vs-letta.md)\n- [CLI Manager vs Letta](https://www.anchorterminal.com/compare/cli-manager-vs-letta.md)\n- [Harness vs Letta](https://www.anchorterminal.com/compare/harness-autonomous-vs-letta.md)\n- [Letta vs Paperclip](https://www.anchorterminal.com/compare/letta-vs-paperclip.md)\n- [Letta vs Parallax](https://www.anchorterminal.com/compare/letta-vs-parallax-agents.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "attributionRequired": true, "credit": "CC BY 4.0, credit Anchor Terminal and link the page or API address you took it from (https://www.anchorterminal.com/terms/#data)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-11-07", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.7", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run", 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