MISTRAL 🚨: Mistral AI released Mistral Medium 3.5, a 128B dense open weights model with a 256k context window and configurable reasoning effort.

Mistral Medium 3.5 is now available on Mistral Vibe and Le Chat. https://t.co/dqRPYhsfiP pic.twitter.com/dhtXYDQe0w

— 🚨 AI News | TestingCatalog (@testingcatalog) 29 avril 2026

MISTRAL : Mistral AI released Mistral Medium 3.5, a 128B dense open weights model with a 256k context window and configurable reasoning effort. Mistral Medium 3.5 is now available on Mistral Vibe and Le Chat.

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