GPT-5.3-Codex pricing
GPT-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... Below you will find 1 current row with input and output dollars per million. Right now the lowest input is $1.75 and the lowest output is $14.00.
Pricing across providers
All figures are list prices per million tokens unless a column says otherwise. 1 offer is listed for GPT-5.3-Codex. Best input in this view: Openrouter.
| Provider | Input / 1M | Output / 1M | Cached input | Batch |
|---|---|---|---|---|
O Openrouter | $1.75 | $14.00 | — | — |
Input vs output · 1M tokens
Cost calculator
The calculator uses the same dollars per million tokens as the table. Adjust sliders to see how GPT-5.3-Codex cost scales with traffic.
0.175000¢ / req
0.700000¢ / req
Model specifications
Context length, caps, and capability flags for GPT-5.3-Codex. Values follow the main provider (OpenAI) record in our index.
- Context window
- 400,000 tokens
- Max output
- 128,000 tokens
- Vision (images)
- Yes
- Tool / function calling
- Yes
- Streaming
- Yes
- Released
- Feb 2026
- Primary provider
- OpenAI
- Model family
- N/A
Compare GPT-5.3-Codex
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Frequently asked questions
Read these after the table if you want plain language around GPT-5.3-Codex rates. The short model note from our index: GPT-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 ach...
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