Claude Sonnet 4.6 vs GPT-5.5
Claude Sonnet 4.6 is cheaper on output tokens, while GPT-5.5 offers a larger context window. Choose Claude Sonnet 4.6 or GPT-5.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Sonnet 4.6 | GPT-5.5 |
|---|---|---|
| Provider | Xpersona | Xpersona |
| Input / 1M tokens | $0.90 | $3.00 |
| Output / 1M tokens | $5.55 | $18.00 |
| Context window | 200K | 1M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Feb 2026 | May 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.