Model comparison

GPT-6.1 Sol vs Hermes 4 405B

Neither GPT-6.1 Sol nor Hermes 4 405B has enough public benchmark results to be ranked yet; the rows below show what has been published.

Last verified . 0 shared benchmarks.

GPT-6.1 Sol OpenAI

42.1

Unranked Sparse

Hermes 4 405B Nous Research

37.1

Unranked Sparse

Summary

  • Hermes 4 405B is cheaper at $1 / $3 per million input/output tokens, against $2 / $10 for GPT-6.1 Sol.
  • GPT-6.1 Sol accepts more context: 1.05M tokens versus 131K.
  • Hermes 4 405B has downloadable open weights; the other is API-only.

Side by side

GPT-6.1 Sol and Hermes 4 405B specifications
GPT-6.1 SolHermes 4 405B
ProviderOpenAINous Research
Noometry Index42.137.1
Released2026-09-29—
WeightsProprietaryOpen
Context window1.05M131K
Max output128K118K
Input $ / M tokens$2$1
Output $ / M tokens$10$3
Results tracked22

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Category by category

Coding Not comparable

GPT-6.1 Sol: 51.4, Hermes 4 405B: —

Coding benchmarks
BenchmarkGPT-6.1 SolHermes 4 405B
DeepSWE75.2%—

Agentic & Tool Use Not comparable

GPT-6.1 Sol: 34.3, Hermes 4 405B: —

Agentic & Tool Use benchmarks
BenchmarkGPT-6.1 SolHermes 4 405B
GDP.pdf32%—

Reasoning Not comparable

GPT-6.1 Sol: —, Hermes 4 405B: 25.3

Reasoning benchmarks
BenchmarkGPT-6.1 SolHermes 4 405B
Kagi LLM Benchmark—55.8%

Writing & Preference Not comparable

GPT-6.1 Sol: —, Hermes 4 405B: 53.0

Writing & Preference benchmarks
BenchmarkGPT-6.1 SolHermes 4 405B
EQ-Bench Creative Writing—1421

Frequently asked questions

Is GPT-6.1 Sol better than Hermes 4 405B?

Neither GPT-6.1 Sol nor Hermes 4 405B has enough public benchmark results to be ranked yet; the rows below show what has been published.

Which is cheaper, GPT-6.1 Sol or Hermes 4 405B?

Hermes 4 405B is cheaper. It lists at $1 per million input tokens and $3 per million output tokens; GPT-6.1 Sol lists at $2 and $10.

Which has the bigger context window?

GPT-6.1 Sol does, with 1.05M tokens against 131K.

How many benchmarks do GPT-6.1 Sol and Hermes 4 405B share?

0 benchmarks have published results for both models. GPT-6.1 Sol has 2 scored results on Noometry and Hermes 4 405B has 2.

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