GPT-5.1-Codex vs Kimi K2.5
| GPT-5.1-Codex | Kimi K2.5 | |
|---|---|---|
| Coding index | 50.5 | 58.5 |
| Benchmarks behind it | Partial, 2 benchmarks | Partial, 2 benchmarks |
| Output $/Mtok | $10.00 | $2.50 |
| Cost per solved task | $0.892 | $0.24 |
| Context window | 400K | 262K |
| GPT-5.1-Codex | Kimi K2.5 | |
|---|---|---|
| Coding index | 50.5 | 58.5 |
| Benchmarks behind it | Partial, 2 benchmarks | Partial, 2 benchmarks |
| Output $/Mtok | $10.00 | $2.50 |
| Cost per solved task | $0.892 | $0.24 |
| Context window | 400K | 262K |