GPT-5.5 vs Claude Opus 4.5
Claude Opus 4.5 is cheaper on output tokens, while GPT-5.5 offers a larger context window. Choose GPT-5.5 or Claude Opus 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.5 | Claude Opus 4.5 |
|---|---|---|
| Provider | Venice AI | Venice AI |
| Input / 1M tokens | $6.25 | $6.00 |
| Output / 1M tokens | $37.50 | $30.00 |
| Context window | 1M | 198K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Apr 2026 | Dec 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.