Model overview
- Model ID: openai/gpt-5.6-luna-fast
- Provider: openai
- Type: language
- Context window: 1,050,000 tokens
- Max output tokens: 128,000
Tags: reasoning, file-input, tool-use, vision, implicit-caching, web-search, websocket-realtime, fast
Model pricing
| Metric | Value |
|---|---|
Input tokens (/1M) | $0.40 |
Output tokens (/1M) | $2.40 |
Image generation | n/a |
Cached input read (/1M) | $0.04 |
Cached input write (/1M) | $0.25 |
Pricing source | gateway |