GPT-5.6 Sol Pro
openai-gpt-56-sol-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
$2.50
Output
$12.50
Cache read
$0.25
Cache write
$3.125
Available from 1 host
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| venice | $2.50 | $12.50 | $0.25 | $3.125 | 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 | $0.625 |
| 2026-09-07 | venice | Cache read | $0.25 |
| 2026-09-02 | venice | Cache write | $7.8125 |
| 2026-09-07 | venice | Cache write | $3.125 |
| 2026-09-02 | venice | Input | $6.25 |
| 2026-09-07 | venice | Input | $2.50 |
| 2026-09-02 | venice | Output | $37.50 |
| 2026-09-07 | venice | Output | $12.50 |
Other listings of this model
this page is one of them
The corpus files GPT-5.6 Sol Pro under several keys. This page is the openai-gpt-56-sol-pro listing. The full record — every host, every price and every benchmark score — is on the main GPT-5.6 Sol Pro page.