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GPT 5.4 (Fast)

OpenAI · gpt-5-4-fast

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Agent-ready GPT for coding and computer-use workflows at a lower cost

Specification

most-agreed values

Context
1.1M
Max output
128K
Released
2026-03-05
Knowledge cutoff
2025-08-31
Retires
Open weights
no
Input
text, image, pdf
Output
text

Price

US dollars per million tokens · most-agreed

Input
$5.00
Output
$30.00
Cache read
$0.50

Available from 1 host

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
vercel$5.00$30.00$0.501.1M128K

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