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OpenAI: GPT-5.6 Luna Pro is a multimodal AI model by OpenAI. It features a 1.1M token context window, $0.10/1M input tokens pricing.
| Input (Prompt) | $0.10 |
| Output (Completion) | $0.60 |
| Cache Read | $0.01 |
| Cache Write | $0.13 |
| Context Length | 1.1M |
| Max Output Tokens | 128K |
| Input Modalities | File + Image + Text |
| Output Modalities | Text |
| Tokenizer | GPT |
OpenAI: GPT-5.6 Luna Pro costs $0.10/1M input tokens and $0.60/1M output tokens.
OpenAI: GPT-5.6 Luna Pro supports a context window of 1.1M tokens, which is approximately 525 pages of text.
No, OpenAI: GPT-5.6 Luna Pro is a paid model. Check the free models page for zero-cost alternatives.
See the alternatives section above for models with similar capabilities. You can also compare OpenAI: GPT-5.6 Luna Pro head-to-head with any model on our comparison page.
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