GPT-5.4 Nano vs Hy4 preview
| GPT-5.4 Nano | Hy4 preview | |
|---|---|---|
| Coding index | 44.8 | 44.3 |
| Benchmarks behind it | Partial, 2 benchmarks | Verified, 3 benchmarks |
| Output $/Mtok | $1.25 | $2.501 |
| Cost per solved task | $0.14 | Not computable |
| Context window | 400K | 1.05M |
| GPT-5.4 Nano | Hy4 preview | |
|---|---|---|
| Coding index | 44.8 | 44.3 |
| Benchmarks behind it | Partial, 2 benchmarks | Verified, 3 benchmarks |
| Output $/Mtok | $1.25 | $2.501 |
| Cost per solved task | $0.14 | Not computable |
| Context window | 400K | 1.05M |