Claude Opus 5 vs GPT-5.6 Luna
| Claude Opus 5 | GPT-5.6 Luna | |
|---|---|---|
| Coding index | 83.0 | 58.0 |
| Benchmarks behind it | Verified, 6 benchmarks | Verified, 6 benchmarks |
| Output $/Mtok | $25.00 | $1.20 |
| Cost per solved task | $1.33 | $0.04 |
| Context window | 1M | 1.05M |
| Claude Opus 5 | GPT-5.6 Luna | |
|---|---|---|
| Coding index | 83.0 | 58.0 |
| Benchmarks behind it | Verified, 6 benchmarks | Verified, 6 benchmarks |
| Output $/Mtok | $25.00 | $1.20 |
| Cost per solved task | $1.33 | $0.04 |
| Context window | 1M | 1.05M |