Mistral: Mistral Small 4 — pricing & benchmarks

By mistralai · Updated 2026-10-06 · Open weights · apache-2.0Reads imagesreads images / documentscheap high-volumestep-by-step reasoningopen weights / self-hostable

What Mistral: Mistral Small 4 is used for

Mistral: Mistral Small 4 is best suited for reads images / documents, cheap high-volume, step-by-step reasoning, open weights / self-hostable. Access it through one Appmo API key alongside 458 other models — Appmo's optimizer can route to it automatically when it is the best value for a request. Weights: huggingface.co/mistralai/Mistral-Small-4-119B-2603.

Use it via the Appmo API (OpenAI-compatible)

curl https://appmo.com/v1/chat/completions \
  -H "Authorization: Bearer $APPMO_KEY" \
  -d '{"model":"mistralai/mistral-small-2603","messages":[{"role":"user","content":"Hello"}]}'

FAQ

How much does Mistral: Mistral Small 4 cost?
Mistral: Mistral Small 4 costs $0.15 per 1M input tokens and $0.6 per 1M output tokens ($0.262 blended), as of 2026-10-06. Prices are expected to fall as competition increases.

What is Mistral: Mistral Small 4 best for?
Mistral: Mistral Small 4 is best suited for reads images / documents, cheap high-volume, step-by-step reasoning, open weights / self-hostable.

How do I use Mistral: Mistral Small 4?
Send requests to Appmo's OpenAI-compatible endpoint with model id "mistralai/mistral-small-2603" and one API key — no separate provider account needed.

Is Mistral: Mistral Small 4 open source?
Yes — its weights are public on Hugging Face (mistralai/Mistral-Small-4-119B-2603) under the apache-2.0 license; check the license terms before commercial use.

Can Mistral: Mistral Small 4 create images?
No. Mistral: Mistral Small 4 can read and understand images, but it only writes text.