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GPT-5.1-Instant

OpenAI · gpt-5-1-instant

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Compact GPT model for low-latency assistance and high-volume workloads

Specification

most-agreed values

Context
128K
Max output
16K
Released
2025-11-12
Knowledge cutoff
Retires
Open weights
no
Input
text, image
Output
text

Price

US dollars per million tokens · most-agreed

Input
$1.10
Output
$9.00
Cache read
$0.11

Available from 1 host

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
poe$1.10$9.00$0.11128K16K

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