Model comparison

GPT-6.1 Sol vs o1-pro

o1-pro has enough public results to be ranked (#264); GPT-6.1 Sol does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

GPT-6.1 Sol OpenAI

42.1

Unranked Sparse

o1-pro OpenAI

31.2

Rank #264 Reported

Summary

  • GPT-6.1 Sol is cheaper at $2 / $10 per million input/output tokens, against $150 / $600 for o1-pro.
  • GPT-6.1 Sol accepts more context: 1.05M tokens versus 200K.

Side by side

GPT-6.1 Sol and o1-pro specifications
GPT-6.1 Solo1-pro
ProviderOpenAIOpenAI
Noometry Index42.131.2
Released2026-09-292025-03-19
WeightsProprietaryProprietary
Context window1.05M200K
Max output128K100K
Input $ / M tokens$2$150
Output $ / M tokens$10$600
Results tracked23

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Category by category

Coding Not comparable

GPT-6.1 Sol: 51.4, o1-pro: —

Coding benchmarks
BenchmarkGPT-6.1 Solo1-pro
DeepSWE75.2%—

Agentic & Tool Use Not comparable

GPT-6.1 Sol: 34.3, o1-pro: —

Agentic & Tool Use benchmarks
BenchmarkGPT-6.1 Solo1-pro
GDP.pdf32%—

Reasoning Not comparable

GPT-6.1 Sol: —, o1-pro: 20.2 (#223)

Reasoning benchmarks
BenchmarkGPT-6.1 Solo1-pro
ARC-AGI-1—23.3%
EnigmaEval—6.1%

Knowledge Not comparable

GPT-6.1 Sol: —, o1-pro: 29.3 (#227)

Knowledge benchmarks
BenchmarkGPT-6.1 Solo1-pro
Humanity's Last Exam—8.1%

Frequently asked questions

Is GPT-6.1 Sol better than o1-pro?

o1-pro has enough public results to be ranked (#264); GPT-6.1 Sol does not yet, so treat this comparison as directional.

Which is cheaper, GPT-6.1 Sol or o1-pro?

GPT-6.1 Sol is cheaper. It lists at $2 per million input tokens and $10 per million output tokens; o1-pro lists at $150 and $600.

Which has the bigger context window?

GPT-6.1 Sol does, with 1.05M tokens against 200K.

How many benchmarks do GPT-6.1 Sol and o1-pro share?

0 benchmarks have published results for both models. GPT-6.1 Sol has 2 scored results on Noometry and o1-pro has 3.

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