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GPT 5.1 Thinking

OpenAI · gpt-5-1-thinking

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Image model for prompt-driven generation, editing, and visual design workflows

Specification

most-agreed values

Context
400K
Max output
128K
Released
2025-11-12
Knowledge cutoff
2024-10
Retires
Open weights
no
Input
text, image, pdf
Output
text, image

Price

US dollars per million tokens · most-agreed

Input
$1.25
Output
$10.00
Cache read
$0.125

Available from 1 host

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
vercel$1.25$10.00$0.125400K128K

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