AI Briefing
KO

Mistral Unveils Medium 3.5

·2026.04.30 01:27

Key point

Mistral announced Medium 3.5, a 128B open weights multimodal model, in public preview.

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Details

Mistral released Medium 3.5 in public preview, introducing it as a 128B dense multimodal model.

The model unifies instruction-following, reasoning, and coding into a single set of weights, and offers a 256k context window along with a newly trained vision encoder.

Official figures were also presented.

  • SWE-Bench Verified 77.6%
  • τ³-Telecom 91.4
  • Self-hosting is possible with as few as 4 GPUs

The deployment terms are as follows.

  • Released as open weights, under a Modified MIT license.
  • API pricing is $1.5 per million input tokens and $7.5 per million output tokens.
  • It is the default model for Mistral Vibe and Le Chat, and powers Work mode and remote coding agents.

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