Noometry

Model comparison

GPT-4.5 vs Magistral Small

GPT-4.5 is the stronger model overall, scoring 37.2 to 30.2 on the Noometry Index.

Last verified . 5 shared benchmarks.

GPT-4.5 OpenAI

37.2

Rank #208 Confirmed

Magistral Small Mistral AI

30.2

Rank #296 Confirmed

Summary

  • They share 5 benchmarks with published results for both. GPT-4.5 scores higher in 4 categories and Magistral Small in 0 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-4.5 leads 13.9 to 6.8.
  • The biggest single-benchmark swing is GPQA Diamond: 68.7% for GPT-4.5 and 56.1% for Magistral Small.
  • Magistral Small has downloadable open weights; the other is API-only.

Side by side

GPT-4.5Magistral Small
ProviderOpenAIMistral AI
Noometry Index37.230.2
Released2025-02-272025-06-10
WeightsProprietaryOpen
Context window—128K
Max output—40K
Input $ / M tokens—$0.50
Output $ / M tokens—$1.50
Results tracked4210

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Category by category

Coding GPT-4.5 leads

GPT-4.5: 42.2 (#109), Magistral Small: 38.4 (#176)

BenchmarkGPT-4.5Magistral Small
Aider Polyglot44.9%—
SciCode—35.2%
WeirdML39.4%—
LiveBench Coding75.2%—
LMArena Coding1396—

Agentic & Tool Use Not comparable

GPT-4.5: 27.9 (#97), Magistral Small: —

BenchmarkGPT-4.5Magistral Small
Cybench17.5%—

Reasoning GPT-4.5 leads

GPT-4.5: 13.9 (#330), Magistral Small: 6.8 (#350)

BenchmarkGPT-4.5Magistral Small
ARC-AGI-20.8%0%
ARC-AGI-110.3%5%
Epoch Capabilities Index136.74133.19
SimpleBench34.5%—
Kagi LLM Benchmark—6.3%
CritPt—0.3%
Chess Puzzles—3%
EnigmaEval3.2%—
LiveBench Reasoning71.1%—
LMArena Hard Prompts1403—
DTBench—61.3%
LiveBench Data Analysis64.3%—
ForecastBench61.7—
LiveBench69%—

Math GPT-4.5 leads

GPT-4.5: 32.6 (#211), Magistral Small: 26.2 (#261)

BenchmarkGPT-4.5Magistral Small
OTIS Mock AIME 2024-202537.8%30%
LiveBench Math69.3%—
LMArena Math1412—
MATH Level 578.6%—

Knowledge GPT-4.5 leads

GPT-4.5: 32.5 (#211), Magistral Small: 30.9 (#223)

BenchmarkGPT-4.5Magistral Small
GPQA Diamond68.7%56.1%
Humanity's Last Exam5.4%—
Confabulations13.6%—
LMArena Expert1394—

Multimodal Not comparable

GPT-4.5: 37.6 (#71), Magistral Small: —

BenchmarkGPT-4.5Magistral Small
LMArena Vision1195—
VPCT45%—

Multilingual Not comparable

GPT-4.5: 52.5 (#83), Magistral Small: —

BenchmarkGPT-4.5Magistral Small
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), Magistral Small: —

BenchmarkGPT-4.5Magistral Small
LiveBench Instruction Following72.3%—
LMArena Instruction Following1404—

Long Context Not comparable

GPT-4.5: 40.4 (#155), Magistral Small: —

BenchmarkGPT-4.5Magistral Small
Fiction.LiveBench63.9%—
LMArena Longer Query1406—

Writing & Preference Not comparable

GPT-4.5: 56.9 (#134), Magistral Small: —

BenchmarkGPT-4.5Magistral Small
LMArena Text1417—
LMArena Creative Writing1394—
Short-Story Creative Writing75.6%—
EQ-Bench Creative Writing1258—
LMArena Multi-Turn1444—
LiveBench Language61.5%—

Frequently asked questions

Is GPT-4.5 better than Magistral Small?

GPT-4.5 is the stronger model overall, scoring 37.2 to 30.2 on the Noometry Index.

Is GPT-4.5 or Magistral Small better for coding?

GPT-4.5 scores higher on coding benchmarks: 42.2 versus 38.4 in the Noometry coding category.

How many benchmarks do GPT-4.5 and Magistral Small share?

5 benchmarks have published results for both models. GPT-4.5 has 42 scored results on Noometry and Magistral Small has 10.

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