AI Agent2026-05-17
Devin (Cognition)
Also known as: Devin AI / Cognition Devin / 世界初AIソフトウェアエンジニア
Cognition's autonomous AI software engineer that operates browser, terminal, and editor independently for long-horizon multi-step tasks.
Overview
Devin was a trailblazing agent that achieved high SWE-bench scores when it debuted in 2024, attracting widespread industry attention. It runs end-to-end in a proprietary sandbox, handling code generation, testing, and debugging from a single Slack or web interface.
Differentiation
Unlike Claude Code or Cursor, which focus on IDE integration, Devin is designed as a fully autonomous AI team member that can work unsupervised for extended periods. Enterprise tiers are offered at a fixed monthly subscription.
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[DeepWiki (deepwiki.com)](https://deepwiki.com/) Deep Dive — Cognition Labs' (the Devin Team) AI Documentation Tool That Turns Any GitHub Repo Into an Interactive Wiki Just by Replacing github.com With deepwiki.com in the URL, With 50,000+ Top OSS Repos Pre-Indexed, Architecture Diagrams + File-Linked Summaries + Natural-Language Chat for the Fastest Onboarding Path
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**[DeepWiki (deepwiki.com)](https://deepwiki.com/) is an AI documentation tool from [Cognition Labs](https://www.cognition-labs.com/) — the [Devin](../columns/claude-fable-5-return-devin-cursor-2026-07) team**. **Replace `github.com` with `deepwiki.com` in any public GitHub URL** and the repo becomes an interactive wiki. **Core experience**: (1) **architecture diagrams** visualizing component dependencies, (2) **file-linked summaries** describing each module / function with direct links to the source, (3) **natural-language chat** grounded in the code ("who calls this function?", "why is it designed this way?"). **50,000+ top OSS repos are pre-indexed** (MCP, LangChain, Next.js, React, [Transformers](https://huggingface.co/docs/transformers), [VSCode](https://code.visualstudio.com/), [Playwright](https://playwright.dev/), etc.). **Private-repo support**: connect your GitHub to Devin and internal repos can also be analyzed by DeepWiki, with Devin's agent using the generated wiki when planning and executing tasks. **MCP server** — an **official one for [Cursor](../columns/cursor-ios-supports-2026-07-01) / [Claude Code](https://claude.com/product/claude-code) / Claude Desktop** so coding agents can consult DeepWiki mid-task. **Tech**: Cognition Labs' Devin AI plus the Claude Agent SDK (Claude 3.7-class LLMs); **free**. **Position**: alongside [Herdr (parallel execution)](../columns/herdr-terminal-agent-multiplexer-2026-07), [Mosaic (SHARED CONTROL)](../columns/mosaic-parallel-claude-code-2026-07), [Command Code (taste-1)](../columns/commandcode-taste-1-personalized-coding-agent-2026-07), [grill-me](../columns/grill-me-agent-skill-2026-07), and [Cerebras Gemma 4](../columns/cerebras-gemma-4-31b-multimodal-inference-2026-07), it occupies the **"understanding layer"** of the **"understand × parallel × personalized × thoroughly reviewed × fast inference" late-2026 AI dev stack**, cutting new-contributor onboarding from **days to hours**. **Caveats**: LLM hallucination remains (verify load-bearing claims by clicking through citations), Cognition Labs / Devin ecosystem dependency, and data-sovereignty considerations for private-repo use.
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**Anthropic's mitigations**: the Amazon-reported jailpath was addressed, commitments to "proactively detect and address security risks," collaboration with government on future release protocols, and a reporting channel for observed malicious use.
**Fable 5 pricing**: **$10 / M input, $50 / M output** (per apidog). Pro / Max / Team / Enterprise subscribers get an extra allocation up to **50% of their weekly usage limits through July 7**, then usage-credit billing.
**Cursor integration**: Cursor officially announced Fable 5 was back at **7:48 PM PT on July 1** on X. "Leads all models on CursorBench — but the most expensive per task," per Cursor ([Cursor Community Forum](https://forum.cursor.com/t/will-fable-5-be-returning-in-cursor/164531) / [apidog setup guide](https://apidog.com/blog/claude-fable-5-cursor/)).
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**Strategic context**: [Anthropic released Sonnet 5 on June 30](../columns/claude-sonnet-5-anthropic-release-2026-06-30) — the same day export controls lifted. The timing looks intentional: **Sonnet 5 is positioned as a fallback to Fable 5**, and heading into its IPO, Anthropic now has a clear **two-tier stack** — frontier Fable 5 for peak capability + mid-tier Sonnet 5 for cost-efficient volume.
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Cognition AI's FrontierCode Explained: The Next-Gen Coding AI Benchmark That Asks 'Is It Mergeable?'
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