Claude Sonnet 5.5 vs GPT-6 Sol
Both have similar output pricing, while GPT-6 Sol offers a larger context window. Choose Claude Sonnet 5.5 or GPT-6 Sol based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Sonnet 5.5 | GPT-6 Sol |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Input / 1M tokens | $2.00 | $2.00 |
| Output / 1M tokens | $10.00 | $10.00 |
| Context window | 1M | 1.1M |
| Parameters | — | — |
| Open weights | — | — |
| Released | — | — |
| GPQA Diamond score | 95.6 | 94.3 |
| LMArena (Chatbot Arena) Elo score | 1471 | 1397 |
| LMArena WebDev Elo score | 1774 | 1686 |
| LMArena Vision Elo score | 1289 | 1245 |
| Epoch Capabilities Index score | 164 | 163 |
FAQ
Is Claude Sonnet 5.5 or GPT-6 Sol cheaper?
Claude Sonnet 5.5 and GPT-6 Sol have comparable output pricing.
Which has the larger context window, Claude Sonnet 5.5 or GPT-6 Sol?
GPT-6 Sol has the larger context window (1.1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.