GPT-5.2-Codex vs GPT-5.6 Luna
| GPT-5.2-Codex | GPT-5.6 Luna | |
|---|---|---|
| Coding index | 55.1 | 61.5 |
| Benchmarks behind it | Partial, 2 benchmarks | Partial, 2 benchmarks |
| Output $/Mtok | $14.00 | $1.20 |
| Cost per solved task | $0.43 | $0.04 |
| Context window | 400K | 1.05M |
| GPT-5.2-Codex | GPT-5.6 Luna | |
|---|---|---|
| Coding index | 55.1 | 61.5 |
| Benchmarks behind it | Partial, 2 benchmarks | Partial, 2 benchmarks |
| Output $/Mtok | $14.00 | $1.20 |
| Cost per solved task | $0.43 | $0.04 |
| Context window | 400K | 1.05M |