Model comparison

GPT-4.5 vs Mistral Nemo

GPT-4.5 is the stronger model overall, scoring 37.2 to 26.4 on the Noometry Index.

Last verified . 4 shared benchmarks.

GPT-4.5 OpenAI

37.2

Rank #208 Confirmed

Mistral Nemo Mistral AI

26.4

Rank #337 Confirmed

Summary

  • They share 4 benchmarks with published results for both. GPT-4.5 scores higher in 4 categories and Mistral Nemo in 1 category; 5 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where GPT-4.5 leads 56.9 to 28.5.
  • The biggest single-benchmark swing is MATH Level 5: 78.6% for GPT-4.5 and 10.8% for Mistral Nemo.
  • Mistral Nemo has downloadable open weights; the other is API-only.

Side by side

GPT-4.5 and Mistral Nemo specifications
GPT-4.5Mistral Nemo
ProviderOpenAIMistral AI
Noometry Index37.226.4
Released2025-02-272024-07-01
WeightsProprietaryOpen
Context window—128K
Max output—128K
Input $ / M tokens—$0.15
Output $ / M tokens—$0.15
Results tracked4210

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Category by category

Coding Not comparable

GPT-4.5: 42.2 (#109), Mistral Nemo: —

Coding benchmarks
BenchmarkGPT-4.5Mistral Nemo
Aider Polyglot44.9%—
WeirdML39.4%—
LiveBench Coding75.2%—
LMArena Coding1396—

Agentic & Tool Use GPT-4.5 leads

GPT-4.5: 27.9 (#97), Mistral Nemo: 23.5 (#125)

Agentic & Tool Use benchmarks
BenchmarkGPT-4.5Mistral Nemo
Berkeley Function Calling Leaderboard—27.6%
Cybench17.5%—
BALROG—17.6%

Reasoning Mistral Nemo leads

GPT-4.5: 13.9 (#330), Mistral Nemo: 20.7 (#232)

Reasoning benchmarks
BenchmarkGPT-4.5Mistral Nemo
Epoch Capabilities Index136.74118.68
ARC-AGI-20.8%—
SimpleBench34.5%—
ARC-AGI-110.3%—
EnigmaEval3.2%—
LiveBench Reasoning71.1%—
LMArena Hard Prompts1403—
DTBench—48.6%
LiveBench Data Analysis64.3%—
ForecastBench61.7—
LiveBench69%—
PIQA—83.5%

Math GPT-4.5 leads

GPT-4.5: 32.6 (#211), Mistral Nemo: 25.5 (#268)

Math benchmarks
BenchmarkGPT-4.5Mistral Nemo
MATH Level 578.6%10.8%
OTIS Mock AIME 2024-202537.8%—
LiveBench Math69.3%—
LMArena Math1412—
GSM8K—84.2%

Knowledge GPT-4.5 leads

GPT-4.5: 32.5 (#211), Mistral Nemo: 12.3 (#298)

Knowledge benchmarks
BenchmarkGPT-4.5Mistral Nemo
GPQA Diamond68.7%29.9%
Humanity's Last Exam5.4%—
Confabulations13.6%—
LMArena Expert1394—
BoolQ—82.5%

Multimodal Not comparable

GPT-4.5: 37.6 (#71), Mistral Nemo: —

Multimodal benchmarks
BenchmarkGPT-4.5Mistral Nemo
LMArena Vision1195—
VPCT45%—

Multilingual Not comparable

GPT-4.5: 52.5 (#83), Mistral Nemo: —

Multilingual benchmarks
BenchmarkGPT-4.5Mistral Nemo
LMArena Non-English1413—
LMArena Chinese1421—
LMArena French1418—
LMArena German1457—
LMArena Japanese1416—
LMArena Korean1392—
LMArena Russian1419—

Instruction Following Not comparable

GPT-4.5: 72.6 (#134), Mistral Nemo: —

Instruction Following benchmarks
BenchmarkGPT-4.5Mistral Nemo
LiveBench Instruction Following72.3%—
LMArena Instruction Following1404—

Long Context Not comparable

GPT-4.5: 40.4 (#155), Mistral Nemo: —

Long Context benchmarks
BenchmarkGPT-4.5Mistral Nemo
Fiction.LiveBench63.9%—
LMArena Longer Query1406—

Writing & Preference GPT-4.5 leads

GPT-4.5: 56.9 (#134), Mistral Nemo: 28.5 (#296)

Writing & Preference benchmarks
BenchmarkGPT-4.5Mistral Nemo
EQ-Bench Creative Writing1258881
LMArena Text1417—
LMArena Creative Writing1394—
Short-Story Creative Writing75.6%—
LMArena Multi-Turn1444—
LiveBench Language61.5%—

Frequently asked questions

Is GPT-4.5 better than Mistral Nemo?

GPT-4.5 is the stronger model overall, scoring 37.2 to 26.4 on the Noometry Index.

How many benchmarks do GPT-4.5 and Mistral Nemo share?

4 benchmarks have published results for both models. GPT-4.5 has 42 scored results on Noometry and Mistral Nemo has 10.

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