Noometry

Model comparison

GPT-4.5 vs Mistral Large 4

Mistral Large 4 is the stronger model overall, scoring 43.1 to 37.2 on the Noometry Index.

Last verified . 12 shared benchmarks.

GPT-4.5 OpenAI

37.2

Rank #208 Confirmed

Mistral Large 4 Mistral AI

43.1

Rank #99 Confirmed

Summary

  • They share 12 benchmarks with published results for both. GPT-4.5 scores higher in 0 categories and Mistral Large 4 in 8 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Mistral Large 4 leads 22.5 to 13.9.

Side by side

GPT-4.5Mistral Large 4
ProviderOpenAIMistral AI
Noometry Index37.243.1
Released2025-02-272026-10-06
WeightsProprietaryProprietary
Context window—1.05M
Max output—262K
Input $ / M tokens—$0.68
Output $ / M tokens—$2.09
Results tracked4215

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Category by category

Coding Mistral Large 4 leads

GPT-4.5: 42.2 (#109), Mistral Large 4: 48.6 (#57)

BenchmarkGPT-4.5Mistral Large 4
LMArena Coding13961475
Aider Polyglot44.9%—
LMArena WebDev—1541
WeirdML39.4%—
LiveBench Coding75.2%—

Agentic & Tool Use Not comparable

GPT-4.5: 27.9 (#97), Mistral Large 4: —

BenchmarkGPT-4.5Mistral Large 4
Cybench17.5%—

Reasoning Mistral Large 4 leads

GPT-4.5: 13.9 (#330), Mistral Large 4: 22.5 (#192)

BenchmarkGPT-4.5Mistral Large 4
LMArena Hard Prompts14031444
ARC-AGI-20.8%—
SimpleBench34.5%—
NYT Connections (extended)—27.4%
ARC-AGI-110.3%—
EnigmaEval3.2%—
LiveBench Reasoning71.1%—
LiveBench Data Analysis64.3%—
Epoch Capabilities Index136.74—
ForecastBench61.7—
LiveBench69%—

Math Mistral Large 4 leads

GPT-4.5: 32.6 (#211), Mistral Large 4: 40.4 (#91)

BenchmarkGPT-4.5Mistral Large 4
LMArena Math14121488
OTIS Mock AIME 2024-202537.8%—
LiveBench Math69.3%—
MATH Level 578.6%—

Knowledge Mistral Large 4 leads

GPT-4.5: 32.5 (#211), Mistral Large 4: 36.6 (#166)

BenchmarkGPT-4.5Mistral Large 4
LMArena Expert13941447
GPQA Diamond68.7%—
Humanity's Last Exam5.4%—
SimpleQA Verified—20%
Confabulations13.6%—

Multimodal Not comparable

GPT-4.5: 37.6 (#71), Mistral Large 4: —

BenchmarkGPT-4.5Mistral Large 4
LMArena Vision1195—
VPCT45%—

Multilingual Too close to call

GPT-4.5: 52.5 (#83), Mistral Large 4: 52.6 (#82)

BenchmarkGPT-4.5Mistral Large 4
LMArena Non-English14131415
LMArena Chinese14211491
LMArena Russian14191414
LMArena French1418—
LMArena German1457—
LMArena Japanese1416—
LMArena Korean1392—

Instruction Following Mistral Large 4 leads

GPT-4.5: 72.6 (#134), Mistral Large 4: 75.0 (#76)

BenchmarkGPT-4.5Mistral Large 4
LMArena Instruction Following14041424
LiveBench Instruction Following72.3%—

Long Context Mistral Large 4 leads

GPT-4.5: 40.4 (#155), Mistral Large 4: 43.6 (#89)

BenchmarkGPT-4.5Mistral Large 4
LMArena Longer Query14061429
Fiction.LiveBench63.9%—

Writing & Preference Mistral Large 4 leads

GPT-4.5: 56.9 (#134), Mistral Large 4: 60.4 (#97)

BenchmarkGPT-4.5Mistral Large 4
LMArena Text14171427
LMArena Creative Writing13941361
LMArena Multi-Turn14441424
Short-Story Creative Writing75.6%—
EQ-Bench Creative Writing1258—
LiveBench Language61.5%—

Frequently asked questions

Is GPT-4.5 better than Mistral Large 4?

Mistral Large 4 is the stronger model overall, scoring 43.1 to 37.2 on the Noometry Index.

Is GPT-4.5 or Mistral Large 4 better for coding?

Mistral Large 4 scores higher on coding benchmarks: 48.6 versus 42.2 in the Noometry coding category.

How many benchmarks do GPT-4.5 and Mistral Large 4 share?

12 benchmarks have published results for both models. GPT-4.5 has 42 scored results on Noometry and Mistral Large 4 has 15.

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