OpenAI: GPT-5.3-Codex (openai/gpt-5.3-codex) costs $1.75 per 1M prompt tokens and $14 per 1M completion tokens, has a 400,000-token context window, and supports tool calling, structured outputs, reasoning and response format. Data updated 2026-10-30.
- Prompt price
- $1.75 / 1M tokens
- Completion price
- $14 / 1M tokens
- Context
- 400,000 tokens
- Input modalities
- text, image, file
- Output modalities
- text
- Tokenizer
- GPT
- Instruct type
- —
- Knowledge cutoff
- —
- Hugging Face
- —
Last price change: 2026-02-25
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...
Price history
No price changes recorded