Mistral Coding Big Open weights

Devstral 2

338 days since Mistral announced it · 9 Dec 2025

Devstral 2 is an open-weights coding model from Mistral, announced 9 Dec 2025. Its context window is 256K tokens. It has 123B parameters.

Input: —; per 1M tokens
Cache write: —; per 1M tokens
Cache read: —; per 1M tokens
Output: —; per 1M tokens
Context window: 256K; tokens
Parameters: 123B; total

No price on the lab’s own pages.

Announcement: mistral.ai/news/devstral-2-vibe-cli

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Mistral · Big · Devstral

open weights

Devstral 2 9 Dec 2025

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Facts last updated 7 Nov 2026, from Mistral’s own pages.