Model comparison

GPT-5.2 vs Mistral

GPT-5.2 is the stronger model overall, scoring 54.1 to 29.9 on the Noometry Index.

Last verified . 17 shared benchmarks.

GPT-5.2 OpenAI

54.1

Rank #34 Confirmed

Mistral Mistral AI

29.9

Rank #303 Confirmed

Summary

  • They share 17 benchmarks with published results for both. GPT-5.2 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-5.2 leads 59.3 to 16.6.

Side by side

GPT-5.2 and Mistral specifications
GPT-5.2Mistral
ProviderOpenAIMistral AI
Noometry Index54.129.9
Released2025-12-11—
WeightsProprietaryProprietary
Context window400K—
Max output128K—
Input $ / M tokens$1.75—
Output $ / M tokens$14—
Results tracked6722

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Category by category

Coding GPT-5.2 leads

GPT-5.2: 51.6 (#37), Mistral: 33.8 (#250)

Coding benchmarks
BenchmarkGPT-5.2Mistral
LMArena Coding14471162
SWE-bench Verified73.8%—
SWE-bench Verified (bash only)72.8%—
LMArena WebDev1416—
SWE-bench Multilingual66.7%—
GSO27.4%—
WeirdML72.2%—
ALE-Bench1,294—
AlgoTune2.05—

Agentic & Tool Use Not comparable

GPT-5.2: 40.2 (#24), Mistral: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.2Mistral
Terminal-Bench64.9%—
Berkeley Function Calling Leaderboard55.9%—
GDPval49.7%—
Remote Labor Index2.5%—
τ²-bench Airline83%—
τ²-bench Banking32.2%—
τ²-bench Retail81.6%—
τ²-bench Telecom89.7%—
DeepResearch Bench41.1%—
LMArena Search1207—
METR Time Horizons75.3%—
Vending-Bench 23,591—

Reasoning GPT-5.2 leads

GPT-5.2: 50.2 (#35), Mistral: 22.2 (#200)

Reasoning benchmarks
BenchmarkGPT-5.2Mistral
LMArena Hard Prompts14451149
ARC-AGI-252.9%—
SimpleBench45.8%—
Kagi LLM Benchmark73.3%—
NYT Connections (extended)83.6%—
ARC-AGI-186.2%—
Chess Puzzles49%—
EnigmaEval10.4%—
EBR-Bench23%—
Mystery Game Puzzles23%—
DTBench90.9%—
LMCA43.9%—
Epoch Capabilities Index153.45—
ForecastBench60.1—

Math GPT-5.2 leads

GPT-5.2: 60.0 (#38), Mistral: 22.3 (#278)

Knowledge GPT-5.2 leads

GPT-5.2: 59.3 (#32), Mistral: 16.6 (#288)

Knowledge benchmarks
BenchmarkGPT-5.2Mistral
LMArena Expert14451125
GPQA Diamond91.4%—
Humanity's Last Exam27.8%—
SimpleQA Verified37.1%—
MMLU-Pro—27.7%
Vectara Hallucination Rate8.4%—
GPQA (HELM)—30.3%

Multimodal Not comparable

GPT-5.2: 51.3 (#7), Mistral: —

Multimodal benchmarks
BenchmarkGPT-5.2Mistral
LMArena Vision1268—
VPCT84%—
Furniture Assembly38.3%—
LMArena Document1405—

Multilingual GPT-5.2 leads

GPT-5.2: 53.4 (#67), Mistral: 32.8 (#254)

Multilingual benchmarks
BenchmarkGPT-5.2Mistral
LMArena Non-English14251129
LMArena Chinese14601109
LMArena French14551180
LMArena German14481155
LMArena Japanese14201013
LMArena Korean13921032
LMArena Russian14401168
LMArena Spanish14331143

Instruction Following GPT-5.2 leads

GPT-5.2: 74.7 (#89), Mistral: 52.6 (#288)

Instruction Following benchmarks
BenchmarkGPT-5.2Mistral
LMArena Instruction Following14171152
IFEval—56.8%

Long Context GPT-5.2 leads

GPT-5.2: 44.0 (#78), Mistral: 35.0 (#245)

Long Context benchmarks
BenchmarkGPT-5.2Mistral
LMArena Longer Query14281153
CL-bench18.2%—

Writing & Preference GPT-5.2 leads

GPT-5.2: 66.8 (#32), Mistral: 37.0 (#260)

Writing & Preference benchmarks
BenchmarkGPT-5.2Mistral
LMArena Text14391165
LMArena Creative Writing14011158
LMArena Multi-Turn14581147
EQ-Bench Creative Writing1703—
WildBench—66%

Frequently asked questions

Is GPT-5.2 better than Mistral?

GPT-5.2 is the stronger model overall, scoring 54.1 to 29.9 on the Noometry Index.

Is GPT-5.2 or Mistral better for coding?

GPT-5.2 scores higher on coding benchmarks: 51.6 versus 33.8 in the Noometry coding category.

How many benchmarks do GPT-5.2 and Mistral share?

17 benchmarks have published results for both models. GPT-5.2 has 67 scored results on Noometry and Mistral has 22.

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