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Mistral Medium 3

ECI#149
134
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 134 and ranks 149th of 260 tracked models. At the time of its release, it ranked 29th of 136 tracked models.

Mistral Medium 3 vs select alternatives

DomainBenchmark
Mistral Medium 3
Mistral AI
May 7, 2025
Closed weights
Mistral Large 2 (Nov 2024)
Mistral AI
Nov. 18, 2024
Open weights
GPT-4.1 mini
OpenAI
Apr. 14, 2025
Closed weights
Llama 4 Maverick
Meta AI
Apr. 6, 2025
Open weights
ECI scoreBest score 167
134129135132
Ranking#149#171#145#155
Conceptual reasoning
DTBenchBest score 99%
62%
61%
69%
62%
Mathematics
MATH Level 5Best score 98%
82%
50%
87%
73%
OTIS Mock AIME 2024-2025Best score 100%
32%
8%
45%
21%
Science
Humanity's Last ExamBest score 55%
5%
n/a
n/a
6%
GPQA DiamondBest score 96%
60%
51%
66%
67%
Writing & creativity
Lech Mazur WritingBest score 8.6
7.7——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