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GPT-5.6 Sol

Frontier GPT-5.6 model for complex professional work with the highest reasoning capabilities.

openai/gpt-5.6-sol
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Streaming
Vision
Tools
Reasoning
JSON Output
Structured JSON
Web Search
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OpenAI
Context: 1.1M10% off
Input
$4$3.6
/M tokens
Cache Read
$0.4$0.36
/M tokens
Output
$20$18
/M tokens
Cache Write 5m
$5$4.5
/M tokens
Cache Write 1h
$5$4.5
/M tokens
Tiered Pricing
IN
CACHED
OUT
≤272K tokens
$4$3.6
$0.4$0.36
$20$18
>272K tokens
$8$7.2
$0.8$0.72
$30$27
+ $0.010$0.009 per search
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