Head to head
GPT-5.6 Sol vs GPT-5.6 Luna
On a blended workload of one million input tokens and three million output tokens, GPT-5.6 Luna is 25.0× cheaper than GPT-5.6 Sol.
| GPT-5.6 Sol | GPT-5.6 Luna | |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Input / MTok | $5 | $0.2 |
| Output / MTok | $30 | $1.2 |
| Cache read / MTok | $0.5 | $0.02 |
| Context window | — | — |
| Blended 1M in + 3M out | $95.00 | $3.80 |
| Status | ga | ga |