OpenAI GPT-5.5
openai-gpt-5-5
Frontier GPT model for professional reasoning, coding, and multimodal work
Specification
most-agreed values
Context
1M
Max output
128K
Released
2026-04-23
Knowledge cutoff
2025-12-01
Retires
—
Open weights
no
Input
text, image
Output
text
Price
US dollars per million tokens · most-agreed
Input
$5.00
Output
$30.00
Cache read
$0.50
Available from 2 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| digitalocean | $5.00 | $30.00 | $0.50 | — | 1M | 128K | — |
| snowflake-cortex | — | — | — | — | 1.1M | 128K | — |
