GPT-5.1-Codex vs Mercury 2.5
| GPT-5.1-Codex | Mercury 2.5 | |
|---|---|---|
| Coding index | 15.3 | 1.6 |
| Benchmarks behind it | Partial, 2 benchmarks | Partial, 2 benchmarks |
| Output $/Mtok | $10.00 | $0.15 |
| Cost per solved task | $0.892 | Not computable |
| Context window | 400K | 260K |
| GPT-5.1-Codex | Mercury 2.5 | |
|---|---|---|
| Coding index | 15.3 | 1.6 |
| Benchmarks behind it | Partial, 2 benchmarks | Partial, 2 benchmarks |
| Output $/Mtok | $10.00 | $0.15 |
| Cost per solved task | $0.892 | Not computable |
| Context window | 400K | 260K |