GPT-5.3-Codex vs GPT-5.6 Sol
| GPT-5.3-Codex | GPT-5.6 Sol | |
|---|---|---|
| Coding index | 60.0 | 73.5 |
| Benchmarks behind it | Verified, 3 benchmarks | Verified, 6 benchmarks |
| Output $/Mtok | $14.00 | $20.00 |
| Cost per solved task | $0.59 | $1.20 |
| Context window | 400K | 1.05M |
| GPT-5.3-Codex | GPT-5.6 Sol | |
|---|---|---|
| Coding index | 60.0 | 73.5 |
| Benchmarks behind it | Verified, 3 benchmarks | Verified, 6 benchmarks |
| Output $/Mtok | $14.00 | $20.00 |
| Cost per solved task | $0.59 | $1.20 |
| Context window | 400K | 1.05M |