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Magistral Small 1.0

ECI#141
133
Mistral AI
Jun. 10, 2025
Open weights

Magistral Small 1.0 is an open-weights model from Mistral AI, released June 10, 2025. It has an ECI score of 133 and ranks 141st of 249 tracked models. At the time of its release, it ranked 37th of 143 tracked models.

Magistral Small 1.0 vs select alternatives

DomainBenchmark
Magistral Small 1.0
Mistral AI
Jun. 10, 2025
Open weights
Mistral Large 2 (Nov 2024)
Mistral AI
Nov. 18, 2024
Open weights
Mistral Medium 3
Mistral AI
May 7, 2025
Closed weights
GPT-4.1 mini
OpenAI
Apr. 14, 2025
Closed weights
ECI scoreBest score 166
133129134135
Ranking#141#160#138#134
Conceptual reasoning
ARC-AGI-2Best score 95%
0%
n/a
n/a
0%
ARC-AGI-1Best score 99%
5%
n/a
n/a
4%
Mathematics
OTIS Mock AIME 2024-2025Best score 100%
30%
8%
32%
45%
Science
GPQA DiamondBest score 96%
56%
51%
60%
66%

Model metadata

General
OrganizationMistral AI
Release dateJun. 10, 2025
Model accessibilityOpen weights
CountryFrance
Knowledge cutoffUnknown
Provider notesAnnouncing Magistral — the first reasoning model by Mistral AI — excelling in domain-specific, transparent, and multilingual reasoning.
Pricing
Input price$0.50 / 1M tokens
Output price$1.50 / 1M tokens
Training
Parameters2.4e10
Training computeUnknown
Training hardwareUnknown
Training timeUnknown
Training dataset sizeUnknown