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GPT-5.6 Luna

Cost-optimized GPT-5.6 model for high-volume tasks like classification and data extraction.

openai/gpt-5.6-luna
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Streaming
Vision
Tools
Reasoning
JSON Output
Structured JSON
Web Search
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OpenAI Pricing for GPT-5.6 Luna

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OpenAI
Context: 1.1M10% off
Input
$0.2$0.18
/M tokens
Cache Read
$0.02$0.018
/M tokens
Output
$1.2$1.08
/M tokens
Cache Write 5m
$0.25$0.225
/M tokens
Cache Write 1h
$0.25$0.225
/M tokens
Tiered Pricing
IN
CACHED
OUT
≤272K tokens
$0.2$0.18
$0.02$0.018
$1.2$1.08
>272K tokens
$0.4$0.36
$0.04$0.036
$1.8$1.62
+ $0.010$0.009 per search
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