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Mistral Small 4

Mistral Small 4 is the next major release in the Mistral Small family, unifying the capabilities of several flagship Mistral models into a single system. It combines strong reasoning from Magistral, m

Creator
Mistral AI
Lifecycle
Active
Context
262.1K
Max output
Released
Mar 16, 2026
Status
up
Input
$0.15 / 1M tokens
Output
$0.60 / 1M tokens
Cached read
$0.01 / 1M tokens
Cached write
/ 1M tokens
Batch discount
%
Source
OpenRouter
Verified
Apr 5, 2026 (High)

Capabilities

Modalities
textimagetext
Capabilities
reasoningimageInputpromptCachingfunctionCallingstructuredOutputs
Official Links

Benchmark Coverage

BenchmarkVersionScoreDateSourceNotes

Release History

ReleaseAliasLifecycleRelease DateDeprecationShutdownSummary
Mistral Small 4mistralai-mistral-small-2603ActiveMar 16, 2026Model available via OpenRouter.

Host Coverage

HostTypeContextPricing NoteDifferences
OpenRouteraggregator262.1K$0.15/1M in · $0.60/1M out via OpenRouter
Migration Guidance

Change Events
DateTypeTitleDescriptionSource
Mar 16, 2026family_addedMistral Small 4 publishedModel made available via OpenRouter.OpenRouter

Other models from Mistral AI

Codestral, Codestral 2508, Devstral 2, Devstral 2 2512, Devstral Medium, Devstral Small 1.1, Ministral 3 14B 2512, Ministral 3 3B 2512, Ministral 3 8B 2512, Mistral 7B Instruct v0.1, Mistral Large, Mistral Large 2407, Mistral Large 2411, Mistral Large 3, Mistral Large 3 2512, Mistral Medium 3, Mistral Medium 3.1, Mistral Nemo, Mistral Small 3, Mistral Small 3.1 24B, Mistral Small 3.2 24B, Mistral Small 4, Mistral Small Creative, Mixtral 8x22B Instruct, Mixtral 8x7B Instruct, Pixtral Large 2411, Saba, Voxtral Small 24B 2507