GPT-5.2-Codex vs GPT-5.5
| GPT-5.2-Codex | GPT-5.5 | |
|---|---|---|
| Coding index | 45.4 | 71.3 |
| Benchmarks behind it | Verified, 3 benchmarks | Verified, 5 benchmarks |
| Output $/Mtok | $14.00 | $30.00 |
| Cost per solved task | $0.43 | $1.65 |
| Context window | 400K | 1.05M |
| GPT-5.2-Codex | GPT-5.5 | |
|---|---|---|
| Coding index | 45.4 | 71.3 |
| Benchmarks behind it | Verified, 3 benchmarks | Verified, 5 benchmarks |
| Output $/Mtok | $14.00 | $30.00 |
| Cost per solved task | $0.43 | $1.65 |
| Context window | 400K | 1.05M |