GPT-5.6 Luna (batch)
OpenAI
openai/gpt-5.6-luna:batchGPT-5.6 Luna is the fast, low-cost tier of OpenAI's GPT-5.6 family for high-volume chat, classification, and lightweight agents. 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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ReasoningTool callingStructured outputs
Best at
The categories where this model ranks highest.