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Mistral Medium 3.1 icon
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August 12, 2025
v25.08

Mistral Medium 3.1

Our frontier-class multimodal model released August 2025. Improving tone and performance.

Modalities
Context
128k
Deprecation date5/22/2026
ReplacementMistral Medium 3.5

Features

Chat Completions
Function Calling
Agents & Conversations
Built-In Tools
Structured Outputs
Predicted Outputs
Prefix
OCR
Annotations - Structured
BBox Extraction
Document QnA
FIM
Embeddings
Moderations
Chat Moderations
Transcriptions
Text to Speech
Timestamps
Batching
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