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AI model · by Mistral AI

Mistral Small 4

Mistral Small 4 is Mistral AI's general-purpose model that combines multimodal input, instruct, reasoning and coding abilities in one model.

  • 262K tokens context
  • Open weights · Apache 2.0
  • Checked against Mistral AI's page 19 Oct 2026
Mistral AI's page Weights on Hugging Face

What Mistral Small 4 is for

Mistral AI says Mistral Small 4 is built as a general-purpose model for any task, with multimodal capabilities and flexible mode switching. It combines the Instruct, Reasoning (previously called Magistral) and Devstral model families into a single unified model. In a throughput-optimized setup, Mistral AI says it handles 3x more requests per second than Mistral Small 3.

What Mistral AI says it does well

  • Multimodal capabilities and efficient architecture with flexible mode switching, a general-purpose model for any task.
  • Unifies the capabilities of Instruct, Reasoning (previously Magistral) and Devstral into one model.
  • In a throughput-optimized setup, handles 3x more requests per second compared to Mistral Small 3.

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