Mistral: Mistral Medium 3.1

Text input Image input Text output
Author's Description

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...

Key Specifications
Cost
$$$$
Context
131K
Released
Aug 13, 2025
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Top P Seed Structured Outputs Presence Penalty Temperature Response Format Tools Tool Choice Max Tokens Frequency Penalty Stop
Features

This model supports the following features:

Tools Structured Outputs Response Format
Performance Summary

Mistral Medium 3.1 demonstrates strong overall performance, particularly excelling in speed and reliability. It typically performs among the fastest models, ranking in the 61st percentile across eight benchmarks, and offers competitive pricing, placing in the 47th percentile. The model exhibits exceptional reliability with a perfect 100% success rate across all benchmarks, indicating consistent and stable operation. In terms of specific capabilities, Mistral Medium 3.1 achieves perfect accuracy in both Hallucinations (Baseline) and General Knowledge (Baseline), showcasing its ability to appropriately acknowledge uncertainty and its broad factual understanding. It also performs very well in Mathematics (93.0% accuracy) and Coding (92.0% accuracy), positioning it in the top quartile for these demanding STEM-related tasks. While its Ethics (99.0% accuracy) and Email Classification (98.0% accuracy) scores are high, its performance in Instruction Following (66.0% accuracy) and Reasoning (72.0% accuracy) is more moderate, suggesting areas for potential improvement compared to its top-tier results in other domains. Its competitive accuracy relative to larger models, combined with its reduced operational cost and broad compatibility, makes it a compelling choice for enterprise-grade applications.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $0.4
Completion $2
Input Cache Read $0.04

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
Mistral
Mistral | mistralai/mistral-medium-3.1 131K $0.4 / 1M tokens $2 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Strategy Free Executions Accuracy Cost Duration
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