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CodyLabs Now Supports Claude for AI Code Review

· 2 min read
David Watts
David Watts
Software Developer

Big news: Cody, the free AI code reviewer for GitHub, now supports Anthropic's Claude models alongside OpenAI. You can review every pull request with Claude Opus 4.8, Claude Sonnet 5, or Claude Haiku 4.5 — just bring your Anthropic API key.

How it works​

Cody now routes your review to whichever provider matches the model you pick. Set the MODEL environment variable in your workflow: any model name starting with claude- is sent to Anthropic, and anything else goes to OpenAI. You only need the API key for the provider you choose.

Use Claude in your workflow​

  1. Add ANTHROPIC_API_KEY as a repo secret (create a key at platform.claude.com).
  2. Set MODEL in the "Run Code Review Model" step:
- name: Run Code Review Model
  run: |
    python src/review_pull_request.py ${{ github.event.pull_request.number }} ${{ github.repository }} > ${{ github.workspace }}/output.txt
  env:
    GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
    # Claude's most capable model for code review
    MODEL: "claude-opus-4-8"

That's it — Cody posts the Claude-written review straight onto your pull request.

Which Claude model should you pick?​

ModelBest for
claude-opus-4-8The most capable reviews — our recommendation
claude-sonnet-5Near-Opus quality on coding at a lower price
claude-haiku-4-5The fastest and cheapest option

Existing workflows keep working unchanged — OPENAI_MODEL is still honoured and OpenAI models like gpt-5 and gpt-5-codex are fully supported.

Keywords: Claude code review, Anthropic code review, Claude Opus 4.8 code review, Claude Sonnet 5, AI code reviewer GitHub Actions, automated code review, free AI code review, Claude vs GPT-5, CodyLabs, 2026