Claude Sonnet 4.5 (latest) vs Claude Opus 4.5 (latest)
Claude Sonnet 4.5 (latest) is cheaper on output tokens. Choose Claude Sonnet 4.5 (latest) or Claude Opus 4.5 (latest) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Sonnet 4.5 (latest) | Claude Opus 4.5 (latest) |
|---|---|---|
| Provider | Neon | Neon |
| Input / 1M tokens | $3.00 | $5.00 |
| Output / 1M tokens | $15.00 | $25.00 |
| Context window | 200K | 200K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Sep 2025 | Nov 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.