Gemini 4 Hydrogen vs GPT-5.1-Codex
| Gemini 4 Hydrogen | GPT-5.1-Codex | |
|---|---|---|
| Coding index | 77.9 | 15.3 |
| Benchmarks behind it | Verified, 4 benchmarks | Partial, 2 benchmarks |
| Output $/Mtok | $7.50 | $10.00 |
| Cost per solved task | Not computable | $0.892 |
| Context window | 1.05M | 400K |