GPT-5.6 Luna Pro (batch)
OpenAI
openai/gpt-5.6-luna-pro:batchGPT-5.6 Luna Pro is a higher-reasoning-effort version of the fast, low-cost Luna tier in OpenAI's GPT-5.6 family. This is the batch variant for cheaper asynchronous processing.
Cost rate
0.1x
Context
1.1M
Released
Jul 9, 2026
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Output
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Support
ReasoningTool callingStructured outputs