GPT-5.6 Luna vs GPT OSS 120B
GPT OSS 120B is cheaper on output tokens, while GPT-5.6 Luna offers a larger context window. Choose GPT-5.6 Luna or GPT OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.6 Luna | GPT OSS 120B |
|---|---|---|
| Provider | Impossibl | Impossibl |
| Input / 1M tokens | $0.20 | $0.35 |
| Output / 1M tokens | $1.20 | $0.75 |
| Context window | 1.1M | 131K |
| Parameters | — | — |
| Open weights | No | Yes |
| Released | Jul 2026 | Aug 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.