Pyyan / Compare / Mistral Large 4 vs GPT-6.1 Sol

Mistral Large 4 vs GPT-6.1 Sol

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Language Models · verified 10 Oct 2026

Mistral Large 4Mistralpreview
GPT-6.1 SolOpenAIcurrent
3 slots left
SpecificationMistral Large 4GPT-6.1 Sol
SummaryA trillion parameters in preview, with the weights promised but not shipped.Astra's score on DeepSWE, at a fifth of Astra's cost.
Context1M1.05M
Input ($/Mtok)$1.36$2
Output ($/Mtok)Not published$10
LicenceNot publishedProprietary
Max outputNot published128K
Parameters1.05T total, 49B or 52B activeNot published
Released6 Oct 202629 Sep 2026
Model IDmistral-large-4gpt-6.1-sol
CategoryLanguage ModelsLanguage Models
OfficialMistral ↗OpenAI ↗

Highlighted rows are where these differ.

Mistral Large 4

  • Preview API only: weights are promised by the end of October and the licence is unpublished
  • Sources disagree on active parameters, 49B in early coverage and 52B in the documentation
  • 1M token context, with a 1.6B parameter vision encoder

Best for trying a European frontier model.

Full spec sheet →

GPT-6.1 Sol

  • Matches GPT-6 Astra on DeepSWE v1.1 at roughly a fifth of the cost
  • $5.47 per Terminal-Bench Science task against $23.80 for Astra
  • Above 272K tokens a prompt bills at 2x input and 1.5x output for the whole request

Best for coding and agent work at volume.

Full spec sheet →