GPT-5.5
xpersona-gpt-5-5
Default frontier GPT for coding, computer use, research, and knowledge work
Specification
most-agreed values
Context
1M
Max output
128K
Released
2026-05-29
Knowledge cutoff
2025-12-30
Retires
—
Open weights
no
Input
text, image
Output
text
Price
US dollars per million tokens · most-agreed
Input
$3.00
Output
$18.00
Cache read
$0.30
Available from 1 host
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| xpersona | $3.00 | $18.00 | $0.30 | — | 1M | 128K | — |
Other listings of this model
this page is one of them
The corpus files GPT-5.5 under several keys. This page is the xpersona-gpt-5-5 listing. The full record — every host, every price and every benchmark score — is on the main GPT-5.5 page.