OpenAI: GPT-5.6 Luna Pro
Verified from OpenRouter · Text & embedding rates at 2026-08-06T02:51:21.788Z.
| Rate | Price | Billing unit | Condition |
|---|---|---|---|
| Input | USD 0.1 | per 1M input tokens | — |
| Output | USD 0.6 | per 1M output tokens | — |
| Cache read | USD 0.01 | per 1M cached input tokens | — |
| Cache write | USD 0.125 | per 1M cache-write tokens | — |
| Web search | USD 0.005 | per web search | — |
| Input | USD 0.2 | per 1M input tokens | when prompt exceeds 272,000 tokens |
| Output | USD 0.9 | per 1M output tokens | when prompt exceeds 272,000 tokens |
| Cache read | USD 0.02 | per 1M cached input tokens | when prompt exceeds 272,000 tokens |
| Cache write | USD 0.25 | per 1M cache-write tokens | when prompt exceeds 272,000 tokens |