Gemini 4 Hydrogen vs GPT-5.2-Codex
| Gemini 4 Hydrogen | GPT-5.2-Codex | |
|---|---|---|
| Coding index | 77.9 | 45.4 |
| Benchmarks behind it | Verified, 4 benchmarks | Verified, 3 benchmarks |
| Output $/Mtok | $7.50 | $14.00 |
| Cost per solved task | Not computable | $0.43 |
| Context window | 1.05M | 400K |