Mistral Small 4

Mistral's hybrid MoE small model (119B total, 6.5B active) unifying instruction, reasoning, and coding with image input.

mistral-small-2603
STABLEGet StartedView uptime
262,144 context
Released March 17, 2026
Starting at $0.15/M input tokens
Starting at $0.60/M output tokens
Streaming
Vision
Tools
JSON Output
Structured JSON
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All Providers for Mistral Small 4

LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.

Context: 262.1k
Input
$0.15
/M tokens
Cache Read
/M tokens
Output
$0.6
/M tokens
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Frequently asked questions

What is Mistral Small 4?

Mistral's hybrid MoE small model (119B total, 6.5B active) unifying instruction, reasoning, and coding with image input. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does Mistral Small 4 cost?

Pricing for Mistral Small 4 on LLM Gateway starts at $0.15 per million input tokens and $0.60 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.

What is the context length of Mistral Small 4?

Mistral Small 4 supports a context window of up to 262,144 tokens on its largest provider deployment.

Which providers serve Mistral Small 4?

Mistral Small 4 is served by Mistral AI through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does Mistral Small 4 support tool calling and structured outputs?

Yes. Mistral Small 4 supports both tool (function) calling and strict JSON output schema (upstream-enforced) through LLM Gateway.

When was Mistral Small 4 released?

Mistral Small 4 was released on March 17, 2026.