Claude Opus 4.8 vs GPT-5.6
Claude Opus 4.8 is cheaper on output tokens, while GPT-5.6 offers a larger context window. Choose Claude Opus 4.8 or GPT-5.6 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Opus 4.8 | GPT-5.6 |
|---|---|---|
| Provider | Xpersona | Xpersona |
| Input / 1M tokens | $1.50 | $1.50 |
| Output / 1M tokens | $9.25 | $12.00 |
| Context window | 200K | 372K |
| Parameters | — | — |
| Open weights | No | No |
| Released | May 2026 | Jul 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.