Pyyan / Compare / Claude Haiku 4.5 vs GPT-5.6 Sol
Claude Haiku 4.5 vs GPT-5.6 Sol
2 of 5Language Models · verified 13 Aug 2026
Claude Haiku 4.5Anthropiccurrent
GPT-5.6 SolOpenAIcurrent| Specification | Claude Haiku 4.5 | GPT-5.6 Sol |
|---|---|---|
| Summary | Fastest and cheapest Claude tier. | Flagship tier of the GPT-5.6 family. |
| Context | 200K | 1M+ |
| Input ($/Mtok) | $1 | — |
| Output ($/Mtok) | $5 | — |
| Licence | Proprietary | Proprietary |
| Max output | 64K | — |
| Released | — | 9 Jul 2026 |
| Model ID | claude-haiku-4-5 | — |
| Category | Language Models | Language Models |
| Official | Anthropic ↗ | OpenAI ↗ |
Highlighted rows are where these differ.
Claude Haiku 4.5
Fastest and cheapest Claude tier.
Best for classification and subagents.
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.