Claude Sonnet 4.5 vs GPT-5.6 Luna
| Claude Sonnet 4.5 | GPT-5.6 Luna | |
|---|---|---|
| Coding index | 59.1 | 61.5 |
| Benchmarks behind it | Partial, 2 benchmarks | Partial, 2 benchmarks |
| Output $/Mtok | $15.00 | $1.20 |
| Cost per solved task | $1.16 | $0.04 |
| Context window | 1M | 1.05M |
| Claude Sonnet 4.5 | GPT-5.6 Luna | |
|---|---|---|
| Coding index | 59.1 | 61.5 |
| Benchmarks behind it | Partial, 2 benchmarks | Partial, 2 benchmarks |
| Output $/Mtok | $15.00 | $1.20 |
| Cost per solved task | $1.16 | $0.04 |
| Context window | 1M | 1.05M |