GPT-5.6 Luna vs GPT-5.5
GPT-5.6 Luna is cheaper on output tokens. Choose GPT-5.6 Luna or GPT-5.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.6 Luna | GPT-5.5 |
|---|---|---|
| Provider | AI-ROUTER | AI-ROUTER |
| Input / 1M tokens | $1.00 | $5.00 |
| Output / 1M tokens | $6.00 | $30.00 |
| Context window | 1.1M | 1.1M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Jul 2026 | Apr 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.