OpenAI GPT-5.6 Luna
openai-gpt-5-6-luna
Cost-efficient GPT-5.6 model for fast, high-volume workloads
Specification
most-agreed values
Context
1.1M
Max output
128K
Released
2026-07-09
Knowledge cutoff
2026-02-16
Retires
—
Open weights
no
Input
text, image
Output
text
Price
US dollars per million tokens · most-agreed
Input
$0.20
Output
$1.20
Cache read
$0.02
Available from 2 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| digitalocean | $0.20 | $1.20 | $0.02 | — | 1.1M | 128K | — |
| snowflake-cortex | — | — | — | — | 1.1M | 128K | — |