Model comparison

GPT-5 Pro vs Pixtral Large

GPT-5 Pro is the stronger model overall, scoring 46.2 to 31.7 on the Noometry Index. Pixtral Large costs 14× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.

Last verified . 1 shared benchmarks.

GPT-5 Pro OpenAI

46.2

Rank #58 Confirmed

Pixtral Large Mistral AI

31.7

Rank #257 Reported

Summary

  • They share 1 benchmark with published results for both. GPT-5 Pro scores higher in 1 category and Pixtral Large in 0 categories; one gap is clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-5 Pro leads 39.2 to 20.9.
  • The biggest single-benchmark swing is EnigmaEval: 18.8% for GPT-5 Pro and 0.8% for Pixtral Large.
  • Pixtral Large is cheaper at $2 / $6 per million input/output tokens, against $15 / $120 for GPT-5 Pro.
  • GPT-5 Pro accepts more context: 400K tokens versus 128K.
  • Pixtral Large has downloadable open weights; the other is API-only.

Side by side

GPT-5 Pro and Pixtral Large specifications
GPT-5 ProPixtral Large
ProviderOpenAIMistral AI
Noometry Index46.231.7
Released2025-10-062024-11-01
WeightsProprietaryOpen
Context window400K128K
Max output272K128K
Input $ / M tokens$15$2
Output $ / M tokens$120$6
Results tracked123

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Category by category

Coding Not comparable

GPT-5 Pro: 43.4 (#77), Pixtral Large: —

Coding benchmarks
BenchmarkGPT-5 ProPixtral Large
WeirdML60.4%—
AlgoTune1.31—

Reasoning GPT-5 Pro leads

GPT-5 Pro: 39.2 (#52), Pixtral Large: 20.9 (#208)

Reasoning benchmarks
BenchmarkGPT-5 ProPixtral Large
EnigmaEval18.8%0.8%
ARC-AGI-218.3%—
SimpleBench61.6%—
Kagi LLM Benchmark76.8%—
ARC-AGI-170.2%—
Epoch Capabilities Index150.26—

Math Not comparable

GPT-5 Pro: 48.0 (#53), Pixtral Large: —

Math benchmarks
BenchmarkGPT-5 ProPixtral Large
FrontierMath (Tiers 1-3)55.8%—
FrontierMath Tier 419.5%—
FrontierMath Tier 4 (v1)14.6%—

Knowledge Not comparable

GPT-5 Pro: 56.2 (#39), Pixtral Large: —

Knowledge benchmarks
BenchmarkGPT-5 ProPixtral Large
Humanity's Last Exam31.6%—

Multimodal Not comparable

GPT-5 Pro: —, Pixtral Large: 30.0 (#105)

Multimodal benchmarks
BenchmarkGPT-5 ProPixtral Large
LMArena Vision—1089

Writing & Preference Not comparable

GPT-5 Pro: —, Pixtral Large: 32.9 (#273)

Writing & Preference benchmarks
BenchmarkGPT-5 ProPixtral Large
EQ-Bench Creative Writing—988

Frequently asked questions

Is GPT-5 Pro better than Pixtral Large?

GPT-5 Pro is the stronger model overall, scoring 46.2 to 31.7 on the Noometry Index. Pixtral Large costs 14× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.

Which is cheaper, GPT-5 Pro or Pixtral Large?

Pixtral Large is cheaper. It lists at $2 per million input tokens and $6 per million output tokens; GPT-5 Pro lists at $15 and $120.

Which has the bigger context window?

GPT-5 Pro does, with 400K tokens against 128K.

How many benchmarks do GPT-5 Pro and Pixtral Large share?

1 benchmark has published results for both models. GPT-5 Pro has 12 scored results on Noometry and Pixtral Large has 3.

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