Claude Opus 5.5 vs GPT-5.6 Sol
Claude Opus 5.5 and GPT-5.6 Sol are both leading models. Claude Opus 5.5 (Anthropic) is $8/1M blended, 1M context. GPT-5.6 Sol (OpenAI) is $8/1M blended, 1.1M context.
Last verified: 15 Oct 2026 · prices from official provider documentation
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| Spec | Claude Opus 5.5 | GPT-5.6 Sol |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Status | GA | GA |
| Input $/1M | $4 | $4 |
| Output $/1M | $20 | $20 |
| Blended $/1M | $8 | $8 |
| Context | 1M | 1.1M ◎ |
| Max output | 128K | 128K |
| Cutoff | 2026-06 | 2026-02-16 |
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