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Models / Mistral

Mistral Small 4

GA

Current Small (v26.03). 'latest' alias mistral-small-latest -> mistral-small-2603. Hybrid instruct/reasoning/coding, 119B params (6.5B active), 256k context. Open-weight (Open v26.03). Pricing $0.15/M in, $0.6/M out (mistral.ai/pricing, 2026-06-28).

Mistral Small 4 by Mistral costs $0.15 per 1M input tokens and $0.6 per 1M output tokens ($0.262/1M blended), with a 256K (256.000-token) context window. It is generally available (GA). Its weights are publicly downloadable, so it can be self-hosted on your own infrastructure.

Last verified: 13 Aug 2026 · sourced from official provider documentation

Provider
Mistral
Status
GA
Input price
$0.15 / 1M tokens
Output price
$0.6 / 1M tokens
Cached input
—
Blended price
$0.262 / 1M tokens
Context window
256.000 tokens (256K)
Max output
—
Modality
text, vision
Open weights
Yes — self-hostable
Knowledge cutoff
—
Released
16 Mar 2026
API string
mistral-small-2603

Source: Mistral official documentation ↗

See also

Compare Mistral Small 4 head-to-head

Mistral Small 4 vs Mistral Large 3→

$0.262 vs $0.75 blended /M · same family

Mistral Small 4 vs Codestral (v25.08)→

$0.262 vs $0.45 blended /M · same family

Mistral Small 4 vs Mistral Medium 3.5→

$0.262 vs $3 blended /M · same family

FAQ

Mistral Small 4 — questions & answers

How much does Mistral Small 4 cost?

Mistral Small 4 is priced at $0.15 per 1M input tokens and $0.6 per 1M output tokens ($0.262/1M blended at a 3:1 input-to-output ratio).

What is the context window of Mistral Small 4?

Mistral Small 4 has a 256.000-token context window (256K).

Is Mistral Small 4 deprecated?

No — Mistral Small 4 is generally available (GA) and not currently scheduled for deprecation or retirement in our tracker.

Does Mistral Small 4 support image or vision input?

Yes — Mistral Small 4 accepts image input. Listed modalities: text, vision.

Can I self-host Mistral Small 4?

Yes — Mistral Small 4 is an open-weight model: its weights are publicly downloadable, so you can run it on your own infrastructure (subject to its license) instead of only calling Mistral's API.

What is the API model string for Mistral Small 4?

The API model identifier for Mistral Small 4 is "mistral-small-2603" when calling Mistral's API.