Model comparison

GPT-5 vs Mistral

GPT-5 is the stronger model overall, scoring 50.9 to 29.9 on the Noometry Index.

Last verified . 22 shared benchmarks.

GPT-5 OpenAI

50.9

Rank #45 Confirmed

Mistral Mistral AI

29.9

Rank #303 Confirmed

Summary

  • They share 22 benchmarks with published results for both. GPT-5 scores higher in 8 categories and Mistral in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GPT-5 leads 56.6 to 16.6.
  • The biggest single-benchmark swing is MMLU-Pro: 86.3% for GPT-5 and 27.7% for Mistral.

Side by side

GPT-5 and Mistral specifications
GPT-5Mistral
ProviderOpenAIMistral AI
Noometry Index50.929.9
Released2025-08-07—
WeightsProprietaryProprietary
Context window400K—
Max output128K—
Input $ / M tokens$1.25—
Output $ / M tokens$10—
Results tracked6922

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Category by category

Coding GPT-5 leads

GPT-5: 50.3 (#47), Mistral: 33.8 (#250)

Coding benchmarks
BenchmarkGPT-5Mistral
LMArena Coding14361162
SWE-bench Verified73.6%—
SWE-bench Verified (bash only)65%—
Aider Polyglot88%—
LMArena WebDev1418—
SciCode42.9%—
GSO6.9%—
WeirdML60.7%—
ALE-Bench1,162—
AlgoTune1.67—

Agentic & Tool Use Not comparable

GPT-5: 33.1 (#56), Mistral: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5Mistral
Terminal-Bench49.6%—
GDPval34.8%—
Remote Labor Index1.7%—
DeepResearch Bench49.6%—
BALROG32.8%—
LMArena Search1133—
METR Time Horizons69.6%—

Reasoning GPT-5 leads

GPT-5: 38.3 (#64), Mistral: 22.2 (#200)

Reasoning benchmarks
BenchmarkGPT-5Mistral
LMArena Hard Prompts14161149
ARC-AGI-29.9%—
SimpleBench56.7%—
Kagi LLM Benchmark72.7%—
ARC-AGI-165.7%—
CritPt12.6%—
Chess Puzzles37%—
EnigmaEval10.5%—
EBR-Bench12.7%—
Mystery Game Puzzles23%—
DTBench90.7%—
LMCA40%—
Epoch Capabilities Index150—
ForecastBench61.4—

Math GPT-5 leads

GPT-5: 55.0 (#44), Mistral: 22.3 (#278)

Knowledge GPT-5 leads

GPT-5: 56.6 (#43), Mistral: 16.6 (#288)

Knowledge benchmarks
BenchmarkGPT-5Mistral
MMLU-Pro86.3%27.7%
GPQA (HELM)79.2%30.3%
LMArena Expert14191125
GPQA Diamond86.2%—
Humanity's Last Exam25.3%—
SimpleQA Verified50.1%—
Confabulations10.3%—
Vectara Hallucination Rate14.7%—

Multimodal Not comparable

GPT-5: 46.8 (#13), Mistral: —

Multimodal benchmarks
BenchmarkGPT-5Mistral
LMArena Vision1232—
GeoBench81%—
VPCT66%—

Multilingual GPT-5 leads

GPT-5: 51.4 (#110), Mistral: 32.8 (#254)

Multilingual benchmarks
BenchmarkGPT-5Mistral
LMArena Non-English13971129
LMArena Chinese14221109
LMArena French14101180
LMArena German14161155
LMArena Japanese14091013
LMArena Korean13601032
LMArena Russian14061168
LMArena Spanish13991143

Instruction Following GPT-5 leads

GPT-5: 73.8 (#113), Mistral: 52.6 (#288)

Instruction Following benchmarks
BenchmarkGPT-5Mistral
IFEval87.5%56.8%
LMArena Instruction Following13881152

Long Context GPT-5 leads

GPT-5: 69.5 (#2), Mistral: 35.0 (#245)

Long Context benchmarks
BenchmarkGPT-5Mistral
LMArena Longer Query13991153
Fiction.LiveBench97.2%—

Writing & Preference GPT-5 leads

GPT-5: 63.4 (#65), Mistral: 37.0 (#260)

Writing & Preference benchmarks
BenchmarkGPT-5Mistral
LMArena Text14061165
LMArena Creative Writing13651158
WildBench85.7%66%
LMArena Multi-Turn14261147
Short-Story Creative Writing86%—
EQ-Bench Creative Writing1627—

Frequently asked questions

Is GPT-5 better than Mistral?

GPT-5 is the stronger model overall, scoring 50.9 to 29.9 on the Noometry Index.

Is GPT-5 or Mistral better for coding?

GPT-5 scores higher on coding benchmarks: 50.3 versus 33.8 in the Noometry coding category.

How many benchmarks do GPT-5 and Mistral share?

22 benchmarks have published results for both models. GPT-5 has 69 scored results on Noometry and Mistral has 22.

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