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Mistral

Mistral Small 4

Mistral Small 4 is a Mistral model with 262K context, $0.15 in / $0.60 out per million tokens, last verified September 26, 2026. Open weights: yes. Public-board scores are linked to the publisher; vendor-only figures stay in the watch-out, not on the board.

Mistral Small 4 is Mistral's low-cost Apache-2.0 MoE — 6.5B active parameters with a 256K context and image input.

Catalog record checked September 26, 2026Individual provider fields may change

AI model specification details
SpecificationMistral Small 4
ProviderMistral
TierBudget
Context window262K
Max outputNot verifiedUnverified
Input / 1M tokens$0.15
Output / 1M tokens$0.60
WeightsOpen
Parameters119B total / 6.5B active (MoE)
Reasoning levelsNot verifiedUnverified
Modalitiestext, image
LicenseApache 2.0
API model idmistral-small-2603
ReleasedMarch 16, 2026

Pricing tiers: Mistral first-party API $0.15/$0.60 per MTok. Open weights (Apache 2.0). 119B total / 6.5B active MoE.

Verified evidence

Published benchmark results

Each result keeps its source and measurement date visible. A missing benchmark is not treated as a zero.

Published benchmark results for Mistral Small 4
BenchmarkScoreMeasuredSource
Artificial Analysis Intelligence Index11.32026-09-26Artificial Analysis · View source

Best for

  • Cheap EU-hosted inference
  • Open-weight self-hosting
  • High-volume extraction

Watch out

Small active size: not for hard reasoning or agentic coding; max output is not published.

History

Mistral Small 4 timeline

Release and status events for this model that passed two-source verification — dated, sourced, and linked.

Source receipts

Catalog figures for this model were checked against the following sources.

Common questions

Mistral Small 4

Answered from the verified figures on this page rather than general guidance.

How much does Mistral Small 4 cost per million tokens?
Mistral Small 4 is listed at $0.15 per million input tokens and $0.60 per million output tokens at standard rates. Output tokens usually dominate real bills, so weigh the output rate more heavily than the input rate. Mistral first-party API $0.15/$0.60 per MTok. Open weights (Apache 2.0). 119B total / 6.5B active MoE.
What is Mistral Small 4's context window?
Mistral Small 4 accepts about 262K tokens of context. That only matters if you routinely send very long documents, large codebases, or multi-turn histories that approach that limit.
What is Mistral Small 4 best for?
Mistral Small 4 is a budget tier from Mistral. It suits cheap eu-hosted inference, open-weight self-hosting, high-volume extraction. Small active size: not for hard reasoning or agentic coding; max output is not published.
Can I self-host Mistral Small 4?
Mistral Small 4 publishes open weights, but self-hosting depends on the licence, hardware footprint, quantisation quality, and serving stack. A hosted API is often cheaper until you have measured throughput and concurrency on your own hardware.
Model comparison catalogBenchmark library