Mistral Small 4
Released
Mistral Small 4 is an AI model released by Mistral on Monday, Mar 16 2026, 97 days after Devstral Small 2 (24B).
API pricing
- InputWhat you pay for everything you send the model — your question, plus any documents or earlier conversation you include with it.
- $0.15
- OutputWhat you pay for the text the model writes back. It is normally the dearer half: producing an answer costs more than reading one.
- $0.60
Available from
Compare Mistral Small 4 with
Suggested comparisons
Frequently asked questions
Mistral Small 4 was released by Mistral on Monday, Mar 16 2026.
Mistral Small 4 was built by Mistral. French AI company building open and commercial models. Founded in 2023 by former Meta and DeepMind researchers.
Mistral Small 4 costs $0.15 per million input tokens and $0.60 per million output tokens through the Mistral API. Rates are pay-as-you-go API prices verified against Mistral's published pricing on August 18, 2026.
No. Mistral Small 4 is a proprietary model. The weights are not published — it is available only through the provider's own API, apps, or partner platforms.
Mistral's previous tracked release was Devstral Small 2 (24B) on Dec 9 2025, 97 days earlier. It was followed by Mistral Medium 3.5 on Apr 29 2026.