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OpenRouter

Mistral Small 4 on OpenRouter

Mistral Small · MistralAI

Serverless

Why use Mistral Small 4 on OpenRouter?

OpenRouter offers Mistral Small 4 with pay-as-you-go pricing at $0.15/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.

Compare Mistral Small 4 across 2 providers to find the best fit for your use case

Compare Mistral Small 4 Across Providers

ProviderInput (per 1M)Output (per 1M)
OpenRouter$0.15$0.60
NVIDIA NIM

Pricing

TypePrice (per 1M)
Input tokens$0.15
Output tokens$0.60

Capabilities

VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution

About Mistral Small 4

Mistral Small 4 is a hybrid 119B MoE model unifying instruct, reasoning, and coding capabilities. Features configurable reasoning effort per request and native function calling with JSON output support.

FAQ

What does Mistral Small 4 cost on OpenRouter?

On OpenRouter, Mistral Small 4 costs $0.15 per 1M input tokens and $0.6 per 1M output tokens.

What is the context window for Mistral Small 4 on OpenRouter?

Mistral Small 4 supports a 262,144 token context window on OpenRouter.

How does OpenRouter compare to other Mistral Small 4 providers?

Mistral Small 4 is available from 2 providers. The cheapest input pricing is $0.15/1M tokens from OpenRouter.

What API model ID do I use for Mistral Small 4 on OpenRouter?

Use the model ID mistralai/mistral-small-2603 when calling OpenRouter's API.

Who created Mistral Small 4?

Mistral Small 4 was created by MistralAI as part of the Mistral Small model family.

Is Mistral Small 4 open source?

Mistral Small 4 is open source under Apache 2.0 according to the seed data.

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Model Specs

Released2026-03-16
Parameters119B (6.5B active)
Context256k
Architecturemoe

GPU-Hour Providers(1)

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