GPT-5.3 Codex
openai-gpt-53-codex
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Specification
most-agreed values
Context
400K
Max output
128K
Released
2026-02-05
Knowledge cutoff
2025-08-31
Retires
—
Open weights
no
Input
text, image
Output
text
Price
US dollars per million tokens · most-agreed
Input
$1.75
Output
$14.00
Cache read
$0.175
Available from 1 host
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| venice | $1.75 | $14.00 | $0.175 | — | 400K | 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 | $0.219 |
| 2026-10-16 | venice | Cache read | $0.175 |
| 2026-09-02 | venice | Input | $2.19 |
| 2026-10-16 | venice | Input | $1.75 |
| 2026-09-02 | venice | Output | $17.50 |
| 2026-10-16 | venice | Output | $14.00 |
Other listings of this model
this page is one of them
The corpus files GPT-5.3 Codex under several keys. This page is the openai-gpt-53-codex listing. The full record — every host, every price and every benchmark score — is on the main GPT-5.3 Codex page.