OpenAI
GPT-5.3 Codex Pricing
API pricing for GPT-5.3 Codex by OpenAI. Input tokens cost $1.75/1M, output tokens cost $14/1M with 400K context window.
Last updated:
ReasoningToolsVision
Input Cost
$1.75
per 1M tokens
Output Cost
$14
per 1M tokens
Context Window
400K
tokens
Cost Calculator
Estimated Cost:
$0.00
Model Details
Provider OpenAI
Model ID gpt-5.3-codex
Context Window 400K tokens
Max Output 128000 tokens
Cache Read Cost $0.175/1M
Release Date 2026-02-05
Compare Alternatives
| Model | Input | Output | Context |
|---|---|---|---|
| GPT-5.3 Codex (this model) | $1.75 | $14 | 400K |
| GPT-5.2 OpenAI | $1.75 | $14 | 400K |
| GPT-5.2 Chat OpenAI | $1.75 | $14 | 128K |
| GPT-5.3 Chat (latest) OpenAI | $1.75 | $14 | 128K |
| GPT-5.3 Codex Spark OpenAI | $1.75 | $14 | 128K |
| Deep Research Max Preview (Apr-21-2026) Google | $2 | $12 | 131K |
Available from Resellers
GPT-5.3 Codex is also available through these resellers and gateways:
| Reseller | Model | Input | Output |
|---|---|---|---|
| Abacus | GPT-5-Codex | $1.25 | $10 |
| Abacus | GPT-5.1 Codex | $1.25 | $10 |
| Abacus | GPT-5.1 Codex Max | $1.25 | $10 |
| Abacus | GPT-5.2 Codex | $1.75 | $14 |
| Abacus | GPT-5.3 Codex | $1.75 | $14 |
| Abacus | GPT-5.3 Codex XHigh | $1.75 | $14 |
| AIHubMix | GPT-5.1 Codex | $1.25 | $10 |
| AIHubMix | GPT-5.1 Codex mini | $0.25 | $2 |
| AIHubMix | GPT-5.2 Codex | $1.75 | $14 |
| AIHubMix | GPT-5.3 Codex | $1.75 | $14 |