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Mistral Medium 3

ECI#151
133
Mistral AI
May 7, 2025
Closed weights

Mistral Medium 3 is a closed-weights model from Mistral AI, released May 7, 2025. It has an ECI score of 133 and ranks 151st of 240 tracked models. At the time of its release, it ranked 26th of 115 tracked models.

Mistral Medium 3 vs select alternatives

DomainBenchmark
Mistral Medium 3
Mistral AI
May 7, 2025
Closed weights
Mistral Large 2 (Jul 2024)
Mistral AI
Jul. 24, 2024
Open weights
Qwen3-8B
Alibaba
Apr. 28, 2025
Open weights
Llama 4 Maverick
Meta AI
Apr. 6, 2025
Open weights
ECI scoreBest score 173
133126132132
Ranking#151#169#152#153
Conceptual reasoning
DTBenchBest score 99%
62%
61%
60%
62%
Mathematics
MATH Level 5Best score 98%
82%
45%
n/a
73%
OTIS Mock AIME 2024-2025Best score 100%
32%
8%
56%
21%
Science
Humanity's Last ExamBest score 55%
5%
n/a
n/a
6%
GPQA DiamondBest score 97%
60%
49%
57%
67%
Writing & creativity
Lech Mazur WritingBest score 8.6
7.76.9—6.2

Model metadata

General
OrganizationMistral AI
Release dateMay 7, 2025
Model accessibilityClosed weights
CountryFrance
Knowledge cutoffUnknown
Provider notesMistral Medium 3 delivers state-of-the-art performance at 8X lower cost with radically simplified enterprise deployments.
Pricing
Input price$0.40 / 1M tokens
Output price$2 / 1M tokens
Training
ParametersUnknown
Training computeUnknown
Training hardwareUnknown
Training timeUnknown
Training dataset sizeUnknown