GPT-5.6 Luna vs Step 5 Preview
| GPT-5.6 Luna | Step 5 Preview | |
|---|---|---|
| Coding index | 58.0 | 61.1 |
| Benchmarks behind it | Verified, 6 benchmarks | Verified, 4 benchmarks |
| Output $/Mtok | $1.20 | $2.70 |
| Cost per solved task | $0.04 | Not computable |
| Context window | 1.05M | 1.05M |
| GPT-5.6 Luna | Step 5 Preview | |
|---|---|---|
| Coding index | 58.0 | 61.1 |
| Benchmarks behind it | Verified, 6 benchmarks | Verified, 4 benchmarks |
| Output $/Mtok | $1.20 | $2.70 |
| Cost per solved task | $0.04 | Not computable |
| Context window | 1.05M | 1.05M |