GPT-5.6 Luna Pro
openai-gpt-56-luna-pro
Frontier GPT model for professional reasoning, coding, and multimodal work
Specification
most-agreed values
Context
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
Cache write
$0.25
Available from 1 host
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| venice | $0.20 | $1.20 | $0.02 | $0.25 | 1M | 128K | — |
Price history
append-only observations · a listing writes a row only when its price moves
| Date | Host | Field | $/M |
|---|---|---|---|
| 2026-09-02 | venice | Cache read | $0.125 |
| 2026-09-06 | venice | Cache read | $0.025 |
| 2026-10-16 | venice | Cache read | $0.02 |
| 2026-09-02 | venice | Cache write | $1.5625 |
| 2026-09-06 | venice | Cache write | $0.3125 |
| 2026-10-16 | venice | Cache write | $0.25 |
| 2026-09-02 | venice | Input | $1.25 |
| 2026-09-06 | venice | Input | $0.25 |
| 2026-10-16 | venice | Input | $0.20 |
| 2026-09-02 | venice | Output | $7.50 |
| 2026-09-06 | venice | Output | $1.50 |
| 2026-10-16 | venice | Output | $1.20 |
Other listings of this model
this page is one of them
The corpus files GPT-5.6 Luna Pro under several keys. This page is the openai-gpt-56-luna-pro listing. The full record — every host, every price and every benchmark score — is on the main GPT-5.6 Luna Pro page.