Model comparison

GPT-6.1 Sol vs Grok 4 Heavy

Neither GPT-6.1 Sol nor Grok 4 Heavy 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

Grok 4 Heavy xAI

—

Unranked

Side by side

GPT-6.1 Sol and Grok 4 Heavy specifications
GPT-6.1 SolGrok 4 Heavy
ProviderOpenAIxAI
Noometry Index42.1—
Released2026-09-292025-07-10
WeightsProprietaryProprietary
Context window1.05M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$10—
Results tracked21

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Category by category

Coding Not comparable

GPT-6.1 Sol: 51.4, Grok 4 Heavy: —

Coding benchmarks
BenchmarkGPT-6.1 SolGrok 4 Heavy
DeepSWE75.2%—

Agentic & Tool Use Not comparable

GPT-6.1 Sol: 34.3, Grok 4 Heavy: —

Agentic & Tool Use benchmarks
BenchmarkGPT-6.1 SolGrok 4 Heavy
GDP.pdf32%—

Math Not comparable

GPT-6.1 Sol: —, Grok 4 Heavy: —

Math benchmarks
BenchmarkGPT-6.1 SolGrok 4 Heavy
FrontierMath Tier 4 (v1)—2.1%

Frequently asked questions

Is GPT-6.1 Sol better than Grok 4 Heavy?

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

How many benchmarks do GPT-6.1 Sol and Grok 4 Heavy share?

0 benchmarks have published results for both models. GPT-6.1 Sol has 2 scored results on Noometry and Grok 4 Heavy has 1.

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