GPT-5.3-Codex
OpenAIGPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...
In
$1.75
Out
$14.00
Blended
$4.81
Where to buy this model
2 access routes| Route | In | Out | Blended | vs |
|---|---|---|---|---|
| $1.75 | $14.00 | $4.81 | - | |
| $1.75 | $14.00 | $4.81 | +0% |
● official API · ● cloud platform · ● inference host · USD per 1M tokens. Same model, different providers - price and quantization vary.
- Ctx
- 400K
- max output
- 128K
- cache read /1M
- $0.17
- Family
- gpt
- Modalities
- text · image · file
- Features
- json · reasoning · tools
Live pricing, updated 2026-11-03.
OpenAI models at a similar price
| Model | In | Out | Ctx |
|---|---|---|---|
| GPT-5.6 Terra | $2 | $12 | 1.05M |
| GPT-5.6 Terra Pro | $2 | $12 | 1.05M |
| GPT-5.2 | $1.75 | $14 | 400K |
| GPT-5.2 Chat | $1.75 | $14 | 128K |
| GPT-5.2-Codex | $1.75 | $14 | 400K |
| GPT-5.3-Codex · this model | $1.75 | $14 | 400K |