GPT-5.1-Codex vs Grok 4.5
| GPT-5.1-Codex | Grok 4.5 | |
|---|---|---|
| Coding index | 15.3 | 58.6 |
| Benchmarks behind it | Partial, 2 benchmarks | Verified, 6 benchmarks |
| Output $/Mtok | $10.00 | $6.00 |
| Cost per solved task | $0.892 | $0.62 |
| Context window | 400K | 500K |
| GPT-5.1-Codex | Grok 4.5 | |
|---|---|---|
| Coding index | 15.3 | 58.6 |
| Benchmarks behind it | Partial, 2 benchmarks | Verified, 6 benchmarks |
| Output $/Mtok | $10.00 | $6.00 |
| Cost per solved task | $0.892 | $0.62 |
| Context window | 400K | 500K |