Claude Opus 5 vs GPT-5.1
| Claude Opus 5 | GPT-5.1 | |
|---|---|---|
| Coding index | 81.8 | 53.3 |
| Benchmarks behind it | Partial, 2 benchmarks | Partial, 2 benchmarks |
| Output $/Mtok | $25.00 | $10.00 |
| Cost per solved task | $1.33 | $1.02 |
| Context window | 1M | 400K |
| Claude Opus 5 | GPT-5.1 | |
|---|---|---|
| Coding index | 81.8 | 53.3 |
| Benchmarks behind it | Partial, 2 benchmarks | Partial, 2 benchmarks |
| Output $/Mtok | $25.00 | $10.00 |
| Cost per solved task | $1.33 | $1.02 |
| Context window | 1M | 400K |