GPT-6 Sol vs Grok 4.6
GPT-6 Sol (OpenAI) and Grok 4.6 (xAI) compared on benchmarks, pricing, context window, and use-case rankings.
- GPT-6 Sol has a larger context window (1.1M vs 500K tokens).
- GPT-6 Sol ranks higher for coding (92th vs 89th percentile).
| Attribute | GPT-6 Sol | Grok 4.6 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | — | 156 |
| Coding | 92 | 89 |
| Math | — | 91 |
| Reasoning & Knowledge | 94 | 73 |
| Agentic & Tools | — | 95 |
| Specifications | ||
| Developer | OpenAI | xAI |
| Family | GPT | Grok |
| Released | Sep 22, 2026 | Aug 12, 2026 |
| Parameters | — | — |
| Availability | — | API access |
| Context window | 1.1M | 500K |
| Price — $/M input | $2.00 | $2.00 |
| Price — $/M output | $10.00 | $6.00 |
| Inputs | file, image, text | text, image, file |
| Outputs | text | text |
| Benchmarks | ||
| Humanity's Last Exam | 48% | 43% |
| SciCode | 58% | 56% |
| AIME 2024/2025 | — | 99% |
| APEX | — | 65% |
| ARC-AGI | — | 88% |
| ARC-AGI-2 | — | 67% |
| GPQA Diamond | — | 94% |
| SimpleBench | — | 76% |
| SimpleQA Verified | — | 49% |
| WebDev Arena | — | 1618 |
| WeirdML | — | 67% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Which is cheaper, GPT-6 Sol or Grok 4.6?
GPT-6 Sol is cheaper on input tokens at $2.00 per million, versus $2.00 (representative OpenRouter pricing).
Which has a larger context window, GPT-6 Sol or Grok 4.6?
GPT-6 Sol supports up to 1.1M tokens, compared with 500K for the other.
Which is better for coding, GPT-6 Sol or Grok 4.6?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, GPT-6 Sol ranks higher — 92th vs 89th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.