Model release · Mistral

Mistral Medium 3.5

Model released: May 22, 2026 · Date only

Dense 128B; configurable reasoning; default for Vibe/Le Chat

Availability

Open-source weights HF mistralai/Mistral-Medium-3.5-128B; Mistral API

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Source trace

Reviewed by Ailyre. Source evidence is presented separately from our summary.

huggingface.co

huggingface.co

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