Mercury 2 vs Claude Opus 4.5
Mercury 2 is cheaper on output tokens, while Claude Opus 4.5 offers a larger context window. Choose Mercury 2 or Claude Opus 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Mercury 2 | Claude Opus 4.5 |
|---|---|---|
| Provider | Venice AI | Venice AI |
| Input / 1M tokens | $0.31 | $6.00 |
| Output / 1M tokens | $0.94 | $30.00 |
| Context window | 128K | 198K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Feb 2026 | Dec 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.