Mercury 2.5 vs GPT-5.6 Terra
Mercury 2.5 is cheaper on output tokens, while GPT-5.6 Terra offers a larger context window. Choose Mercury 2.5 or GPT-5.6 Terra based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Mercury 2.5 | GPT-5.6 Terra |
|---|---|---|
| Provider | Venice AI | Venice AI |
| Input / 1M tokens | $0.25 | $2.50 |
| Output / 1M tokens | $0.94 | $15.00 |
| Context window | 260K | 1M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Sep 2026 | Jul 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.