modelbenchmark.io

Chat Latest (GPT-5.5 Instant)

OpenAI · chat

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

Specification

openai listing

Context
400K
Max output
128K
Released
2026-05-05
Knowledge cutoff
2025-12-01
Retires
2026-12-02
Open weights
no
Input
text, image, pdf
Output
text

Price

US dollars per million tokens · openai list price

Input
$5.00
Output
$30.00
Cache read
$0.50

Available from 4 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
openaivendor$5.00$30.00$0.50—400K128K—
microsoft_365_copilot · microsoft-365-copilotfreefree—————
azure$5.00$30.00$0.50—272K128K2026-12-02
zenmux$5.00$30.00$0.50—400K128K—

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