Claude Opus 4.5 (latest) vs GPT-4o
GPT-4o is cheaper on output tokens, while Claude Opus 4.5 (latest) offers a larger context window. Choose Claude Opus 4.5 (latest) or GPT-4o based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Opus 4.5 (latest) | GPT-4o |
|---|---|---|
| Provider | Pioneer | Pioneer |
| Input / 1M tokens | $5.00 | $2.50 |
| Output / 1M tokens | $25.00 | $10.00 |
| Context window | 200K | 128K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Nov 2025 | May 2024 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.