GPT-5.3-Codex vs GPT-5.4 Mini
| GPT-5.3-Codex | GPT-5.4 Mini | |
|---|---|---|
| Coding index | 60.0 | 35.8 |
| Benchmarks behind it | Verified, 3 benchmarks | Verified, 5 benchmarks |
| Output $/Mtok | $14.00 | $4.50 |
| Cost per solved task | $0.59 | $0.70 |
| Context window | 400K | 400K |
| GPT-5.3-Codex | GPT-5.4 Mini | |
|---|---|---|
| Coding index | 60.0 | 35.8 |
| Benchmarks behind it | Verified, 3 benchmarks | Verified, 5 benchmarks |
| Output $/Mtok | $14.00 | $4.50 |
| Cost per solved task | $0.59 | $0.70 |
| Context window | 400K | 400K |