Model comparison

GPT-5.4 mini vs Mistral

GPT-5.4 mini is the stronger model overall, scoring 45.0 to 29.9 on the Noometry Index.

Last verified . 17 shared benchmarks.

GPT-5.4 mini OpenAI

45.0

Rank #76 Confirmed

Mistral Mistral AI

29.9

Rank #303 Confirmed

Summary

  • They share 17 benchmarks with published results for both. GPT-5.4 mini 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-5.4 mini leads 51.5 to 16.6.

Side by side

GPT-5.4 mini and Mistral specifications
GPT-5.4 miniMistral
ProviderOpenAIMistral AI
Noometry Index45.029.9
Released2026-03-17—
WeightsProprietaryProprietary
Context window400K—
Max output128K—
Input $ / M tokens$0.75—
Output $ / M tokens$4.50—
Results tracked4622

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Category by category

Coding GPT-5.4 mini leads

GPT-5.4 mini: 45.2 (#72), Mistral: 33.8 (#250)

Coding benchmarks
BenchmarkGPT-5.4 miniMistral
LMArena Coding14381162
FrontierCode27%—
LMArena WebDev1397—
SciCode49.9%—
WeirdML60.3%—
ALE-Bench1,189—

Agentic & Tool Use Not comparable

GPT-5.4 mini: 29.9 (#81), Mistral: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.4 miniMistral
DeepResearch Bench36.3%—

Reasoning GPT-5.4 mini leads

GPT-5.4 mini: 30.4 (#85), Mistral: 22.2 (#200)

Reasoning benchmarks
BenchmarkGPT-5.4 miniMistral
LMArena Hard Prompts14241149
ARC-AGI-218.9%—
Kagi LLM Benchmark37.9%—
NYT Connections (extended)61.8%—
ARC-AGI-163.7%—
CritPt10%—
Chess Puzzles24%—
Thematic Generalization61.7%—
Mystery Game Puzzles11%—
DTBench80%—
LMCA40.8%—
Epoch Capabilities Index148.84—
ForecastBench57—

Math GPT-5.4 mini leads

GPT-5.4 mini: 45.5 (#75), Mistral: 22.3 (#278)

Math benchmarks
BenchmarkGPT-5.4 miniMistral
LMArena Math14191180
FrontierMath (Tiers 1-3)51.2%—
FrontierMath Tier 49.8%—
OTIS Mock AIME 2024-202588.9%—
ProofBench21%—
Omni-MATH—7.2%
FrontierMath (Feb 2025 set)28.3%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge GPT-5.4 mini leads

GPT-5.4 mini: 51.5 (#67), Mistral: 16.6 (#288)

Knowledge benchmarks
BenchmarkGPT-5.4 miniMistral
LMArena Expert14351125
GPQA Diamond86.9%—
SimpleQA Verified29.4%—
MMLU-Pro—27.7%
Vectara Hallucination Rate5.5%—
GPQA (HELM)—30.3%

Multimodal Not comparable

GPT-5.4 mini: 39.7 (#56), Mistral: —

Multimodal benchmarks
BenchmarkGPT-5.4 miniMistral
LMArena Vision1245—

Multilingual GPT-5.4 mini leads

GPT-5.4 mini: 51.9 (#96), Mistral: 32.8 (#254)

Multilingual benchmarks
BenchmarkGPT-5.4 miniMistral
LMArena Non-English14051129
LMArena Chinese14461109
LMArena French14401180
LMArena German14091155
LMArena Japanese13741013
LMArena Korean13681032
LMArena Russian14171168
LMArena Spanish14051143

Instruction Following GPT-5.4 mini leads

GPT-5.4 mini: 74.1 (#102), Mistral: 52.6 (#288)

Instruction Following benchmarks
BenchmarkGPT-5.4 miniMistral
LMArena Instruction Following14051152
IFEval—56.8%

Long Context GPT-5.4 mini leads

GPT-5.4 mini: 43.0 (#112), Mistral: 35.0 (#245)

Long Context benchmarks
BenchmarkGPT-5.4 miniMistral
LMArena Longer Query14071153

Writing & Preference GPT-5.4 mini leads

GPT-5.4 mini: 64.0 (#58), Mistral: 37.0 (#260)

Writing & Preference benchmarks
BenchmarkGPT-5.4 miniMistral
LMArena Text14121165
LMArena Creative Writing13701158
LMArena Multi-Turn14291147
EQ-Bench Creative Writing1665—
WildBench—66%

Frequently asked questions

Is GPT-5.4 mini better than Mistral?

GPT-5.4 mini is the stronger model overall, scoring 45.0 to 29.9 on the Noometry Index.

Is GPT-5.4 mini or Mistral better for coding?

GPT-5.4 mini scores higher on coding benchmarks: 45.2 versus 33.8 in the Noometry coding category.

How many benchmarks do GPT-5.4 mini and Mistral share?

17 benchmarks have published results for both models. GPT-5.4 mini has 46 scored results on Noometry and Mistral has 22.

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