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Mistral Large 4 Preview

ECI#57
153
Mistral AI
Oct. 6, 2026
Open weights

Mistral Large 4 Preview is an open-weights model from Mistral AI, released October 6, 2026. It has an ECI score of 153 and ranks 57th of 240 tracked models. At the time of its release, it ranked 48th of 231 tracked models.

Mistral Large 4 Preview vs select alternatives

DomainBenchmark
Mistral Large 4 Preview
Mistral AI
Oct. 6, 2026
Open weights
Mistral Medium 3.5
Mistral AI
Apr. 28, 2026
Open weights
GLM-5.3-Flash
Z.ai (Zhipu AI)
Aug. 20, 2026
Open weights
Muse Spark Open
Meta AI
Oct. 15, 2026
Open weights
ECI scoreBest score 173
153142154155
Ranking#57#114#52#42
Games
Chess PuzzlesBest score 79%
33%
n/a
21%
n/a
Mystery Game PuzzlesBest score 90%
17%
n/a
8%
n/a
Mathematics
FrontierMath Tiers 1-3 (v2)Best score 95%
59%
n/a
56%
70%
FrontierMath Tier 4 (v2)Best score 100%
27%
n/a
17%
32%
OTIS Mock AIME 2024-2025Best score 100%
98%
n/a
94%
98%
Science
CritPt v1Best score 36%
11%
0%
15%
15%
SciCodeBest score 68%
54%
40%
52%
58%
GPQA DiamondBest score 97%
88%
n/a
90%
89%
World knowledge
SimpleQA VerifiedBest score 94%
20%
n/a
n/a
57%

Model metadata

General
OrganizationMistral AI
Release dateOct. 6, 2026
Model accessibilityOpen weights
CountryFrance
Knowledge cutoffUnknown
Provider notesLe chonk Introducing Mistral Large 4
Pricing
Input price$0.70 / 1M tokens
Output price$2.10 / 1M tokens
Training
Parameters1.1e12
Training compute1.2e25 FLOP
Training hardwareNVIDIA GB200
Training time45 days
Training dataset sizeUnknown