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Mistral Medium 3.1

by Mistral

Mistral Medium 3.1 is an updated version of Mistral Medium 3, which is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances state-of-the-art reasoning and multimodal performance with 8× lower cost compared to traditional large models, making it suitable for scalable deployments across professional and industrial use cases. The model excels in domains such as coding, STEM reasoning, and enterprise adaptation. It supports hybrid, on-prem, and in-VPC deployments and is optimized for integration into custom workflows. Mistral Medium 3.1 offers competitive accuracy relative to larger models like Claude Sonnet 3.5/3.7, Llama 4 Maverick, and Command R+, while maintaining broad compatibility across cloud environments.

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Capabilities

Vision

Pricing

Input Tokens
Per 1M tokens
Free
Output Tokens
Per 1M tokens
Free
Image Processing
Per 1M tokens
$0.00/1M tokens

Supported Modalities

Input

text
image

Output

text

Performance Benchmarks

Intelligence Index
Overall intelligence score
8.4
GPQA
Graduate-level questions
34.9%
MMLU Pro
Multitask language understanding
49.1%
HLE
Human-like evaluation
3.4%
LiveCodeBench
Real-world coding tasks
9.9%
MATH 500
Mathematical problem solving
40.5%

Specifications

Context Length
131K tokens
Provider
Mistral
Throughput
59.05 tokens/s
Released
Aug 13, 2025
Model ID
mistralai/mistral-medium-3.1

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