Claude Sonnet 5 vs o3-pro
Claude Sonnet 5 is cheaper on output tokens, while Claude Sonnet 5 offers a larger context window. Choose Claude Sonnet 5 or o3-pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Sonnet 5 | o3-pro |
|---|---|---|
| Provider | Abacus | Abacus |
| Input / 1M tokens | $3.00 | $20.00 |
| Output / 1M tokens | $15.00 | $40.00 |
| Context window | 1M | 200K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Jun 2026 | Jun 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.