GPT-5.1-Codex vs GPT-5.4 Mini
| GPT-5.1-Codex | GPT-5.4 Mini | |
|---|---|---|
| Coding index | 15.3 | 35.8 |
| Benchmarks behind it | Partial, 2 benchmarks | Verified, 5 benchmarks |
| Output $/Mtok | $10.00 | $4.50 |
| Cost per solved task | $0.892 | $0.70 |
| Context window | 400K | 400K |
| GPT-5.1-Codex | GPT-5.4 Mini | |
|---|---|---|
| Coding index | 15.3 | 35.8 |
| Benchmarks behind it | Partial, 2 benchmarks | Verified, 5 benchmarks |
| Output $/Mtok | $10.00 | $4.50 |
| Cost per solved task | $0.892 | $0.70 |
| Context window | 400K | 400K |