OpenAI: GPT-5.3-Codex
OpenAImultimodalactive
OpenAI: GPT-5.3-Codex by OpenAI, listed 2026-02-24. 400K token context window. API pricing $1.75 in / $14.00 out per 1M tokens.
Context window
400K400,000 tokens
Input price
$1.75USD per 1M tokens
Output price
$14.00USD per 1M tokens
Released
2026-02-24active
Family
GPT-5.3OpenAI
Modalities
text+image+file → textinput → output
Pricing
| Tier | Price | Unit | Source |
|---|---|---|---|
| Input | $1.75 | USD per 1M tokens | Listing snapshot |
| Output | $14.00 | USD per 1M tokens | Listing snapshot |
Scores
No verified benchmark scores for this model yet. The scores section fills in as score data lands — values are never estimated.
Timeline
- 2026-02-24Listed on OpenRouter
Links & tags
text-inimage-infile-intext-out