OpenAI
GPT-6 Luna Pro
GPT-6 Luna Pro is the same underlying model as [GPT-6 Luna](https://openrouter.ai/openai/gpt-6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
gpt-6-luna-proPricing
~1%- Input
- $0.099 / 1,000,000 tokens
- Output
- $0.495 / 1,000,000 tokens
- Cache read
- $0.0099 / 1,000,000 tokens
- Cache write
- $0.12375 / 1,000,000 tokens
Discount history
Model details
- Input
- file, image, text
- Output
- text
- Context window
- 1,050,000 tokens
- Maximum output
- 128,000 tokens
- Availability
- Uncapped capacity
- Updated
- 11/8/2026, 3:58:06 AM UTC
Capacity is reserved when your request is accepted.
Capabilities
ChatStreamingWeb searchVisionTool callingReasoningJSON mode
Supported parameters
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools