The newest Mistral Large model is Mistral Large 4, released on October 6, 2026. It shipped 18 days ago, and the line's usual gap is about 229 days.
How long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.
Latest: Mistral Large 4 · Oct 6, 2026
Every Monday, only when something shipped: the AI models that came out, what each one changed, and which lines are due next.
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Newest first — what each version changed versus the one before, in Mistral's own numbers.
Mistral's first large reasoning model, natively multimodal with 1 trillion parameters (49 billion active), lifts the Intelligence Index from 9 to 38 but costs almost three times as much as Mistral Large 3.
Compared with Mistral Large 3 · the model it replaces
Solves about 6 in 10 hard real-world software engineering tasks
DeepSWE 1.1 — fixing real bugs in large code projects
61.7%
✦ first score published — no Mistral Large 3 result to compare
Scores four times higher on the all-round intelligence index
Artificial Analysis Intelligence Index v4.3.2 — one score averaging 10 hard tests
38
▲ up from 9 for Mistral Large 3 · +29 points · preview with reasoning, Mistral Large 3 has no reasoning mode
Costs developers almost three times as much to run
API price per 1M tokens — input / output
$1.36 / $4.18
preview launch price — was $0.50 / $1.50 for Mistral Large 3
Released as open weights under the Apache 2.0 license, with 41B active and 675B total parameters.