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Coding

Review a pull request

Critique a diff for correctness, style and edge cases.

Used an AI for “Review a pull request”? Add your take.

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Community ranking

from coding, reasoning, writing

Nobody has rated an AI for “Review a pull request” yet, so this order comes from how people rate the abilities the task asks for (coding, reasoning, writing) — not from the task itself. Rate one you have used for “Review a pull request” and the order starts to reflect it.

  1. ★
    ChatGPT
    OpenAI
    Mostly overall rating
    6.8
    —
  2. 2
    Claude
    Anthropic
    From ability ratings
    6.5
    —
  3. 2
    Gemini
    Google
    Mostly overall rating
    6.5
    —
  4. 4
    Copilot
    Microsoft
    Mostly overall rating
    5.2
    —
  5. 5
    Grok
    xAI
    Mostly overall rating
    5.0
    —
  6. 5
    Meta AI
    Meta
    Mostly overall rating
    5.0
    —
  7. 5
    Perplexity
    Perplexity AI
    Mostly overall rating
    5.0
    —
  8. 5
    DeepSeek
    DeepSeek
    Mostly overall rating
    5.0
    —
  9. 5
    Mistral
    Mistral AI
    Mostly overall rating
    5.0
    —

Start with this prompt

Written for this task. Fill in the bracketed parts.

Review this diff.

Focus on correctness first: logic errors, unhandled cases, race conditions,
anything that breaks an existing caller. Then readability. Ignore formatting.

For each issue, tell me the severity and the concrete scenario where it bites.
If the change is fine, say so plainly instead of inventing nitpicks.

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[paste the diff]

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