SF·SIX / MODEL PROFILE
OpenAI GPT-5.6 Luna
GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...
OpenAI GPT-5.6 Luna costs $0.20 per 1M input tokens and $1.20 per 1M output tokens at the standard tier, the lowest default-region price among the 3 providers SF·SIX tracks, from OpenAI. Cached input reads cost $0.02 per 1M tokens. Updated ; prices checked .
- Developer
- OpenAI
- Input modalities
- file, image, text
- Output modalities
- text
- Context tokens
- 1,050,000
- Latest price observation
- 2026-10-17
- Lowest paired standard token quote
- $0.20 input / $1.20 output per 1M tokens
Dated price and provider records
| Provider and channel | Input | Output or native rate | Unit and status | Source and observation |
|---|---|---|---|---|
| AzureOpenRouter | $0.20 | $1.20 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| OpenAIOpenRouter | $0.20 | $1.20 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| Amazon BedrockOpenRouter · us-east-1 region | $0.22 | $1.32 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| AzureOpenRouter · EU region | $0.22 | $1.32 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| AzureOpenRouter · US region | $0.22 | $1.32 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| OpenAIOpenRouter · Fast tier | $0.40 | $2.40 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| OpenAIOpenRouter · Flex tier | $0.10 | $0.60 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
Batch and free variants
- GPT-5.6 Luna (batch) · from $0.10 input / $0.60 output per 1M tokens
These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.