Pricing, context window and lifecycle for openai/gpt-5.3-codex, tracked from what the vendor publishes.
| Input | $1.75 |
| Output | $14.00 |
| Cache read | $0.175 |
| Model ID | openai/gpt-5.3-codex |
| Vendor | OpenAI |
| Context window | 400,000 tokens |
| Knowledge cutoff | - |
| End of life | none published |
include_reasoning, max_completion_tokens, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, tools