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OpenAI

GPT-5.6 Sol Pro

GPT-5.6 Sol Pro — GPT-5.6 Sol served with pro reasoning mode for higher-quality responses on complex tasks.

gpt-5.6-sol-pro

Pricing

~30%
Input
$2.8 / 1,000,000 tokens
Output
$14 / 1,000,000 tokens
Cache read
$0.28 / 1,000,000 tokens
Cache write
$3.5 / 1,000,000 tokens
How pricing works

Discount history

30%
Nov 7, 11:57 PMNov 8, 03:56 AM UTC

Model details

Input
text, image, file
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

ChatStreamingTool callingVisionReasoningFile inputWeb search

Supported parameters

include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools