Pyyan / Compare / Grok 4.6 vs GPT-5.6 Sol
Grok 4.6 vs GPT-5.6 Sol
2 of 5Language Models · verified 13 Aug 2026
Grok 4.6xAIcurrent
GPT-5.6 SolOpenAIcurrent| Specification | Grok 4.6 | GPT-5.6 Sol |
|---|---|---|
| Summary | Newest xAI flagship. | Flagship tier of the GPT-5.6 family. |
| Context | 500K | 1M+ |
| Input ($/Mtok) | $2 | — |
| Output ($/Mtok) | $6 | — |
| Licence | Proprietary | Proprietary |
| Released | 12 Aug 2026 | 9 Jul 2026 |
| Model ID | grok-4.6 | — |
| Category | Language Models | Language Models |
| Official | xAI ↗ | OpenAI ↗ |
Highlighted rows are where these differ.
Grok 4.6
- Tiered pricing: doubles above 200K tokens
- Smaller context than Grok 4.3 despite being newer
Best for cost-sensitive scale.
GPT-5.6 Sol
- Three tiers: Sol, Terra, Luna
- Adjustable reasoning effort from none to max
- Broad rollout began 9 July 2026
Best for all-round work.