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TRUE, BUTNarrowed Superlative

On the independent index, it's a tie

On the one independent coding index it cites, its own post says it is effectively tied with GLM-5.3, at 48%.

“Mistral Large 4 ranks as the best open-weight model for coding and among the world's most capable open models overall.”

Mistral AI, release post for the Mistral Large 4 open weights (mistral.ai, 29 October 2026)

Recorded 30 October 2026. Our ruling means: literally true, materially misleading.

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Receipts pack

The evidence file for this verdict

10 receipts: 4 support the claim, 1 contradict it, 5 add context. 4 figures on the record, 3 traced to a quoted receipt.

The receipts

Each source, the line we quote from it, its date and which way it cuts. Free to read and to cite.

  1. 1Supports the claimmistral.ai ↗

    Mistral Large 4 ranks as the best open-weight model for coding and among the world's most capable open models overall.

    Look up an archived copy ↗

  2. 2Supports the claimmistral.ai ↗

    taking the lead on FrontierCode and Terminal-Bench while matching the best open-weight models on the Artificial Analysis Coding Agent Index

    Look up an archived copy ↗

  3. 3Contextmistral.ai ↗

    On the Artificial Analysis Coding Agent Index, Mistral Large 4 scores 48%, effectively tied with the leading open-weight model, GLM-5.3, while using 47% fewer tokens per task on average.

    Look up an archived copy ↗

  4. 4Contextmistral.ai ↗

    On Cognition's private FrontierCode 2.0 benchmark, which assesses end-to-end code quality and whether a repository maintainer would merge the agent's change, Mistral Large 4 leads with a score of 19.7%.

    Look up an archived copy ↗

  5. 5Supports the claimmistral.ai ↗

    On Terminal-Bench 4.0, Mistral Large 4 improved by 13 percentage points to 41% compared to its public preview, taking the lead among open-weight models

    Look up an archived copy ↗

  6. 6Contextmistral.ai ↗

    a full technical report is coming soon

    Look up an archived copy ↗

  7. 7Contradicts the claimtomshardware.com ↗

    At least five Chinese open models scored higher on the index

    Look up an archived copy ↗

  8. 8Contexttomshardware.com ↗

    Its best result is a cyber test, but it falls behind on the index.

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  9. 9Contextdatastudios.org ↗

    Mistral reports 48% on the Artificial Analysis Coding Agent Index, which it calls effectively tied with Zhipu's GLM-5.3 while using 47% fewer tokens per task on average.

    Look up an archived copy ↗

  10. 10Supports the claimmistral.ai ↗

    Just three weeks of additional reinforcement learning have since propelled it to the forefront of open-weight coding

    Look up an archived copy ↗

Members' extras

What each receipt proves, and what would change our mind.

  • What each receipt above proves, in our words
  • The figures table, each number traced to the receipt that states it
  • The trick behind the claim, explained, with the guide to spotting it
  • What would change our verdict
  • Our call on the record, with its due date

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