OpenAI: GPT-5.3-Codex
openai
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...
- Context window
- 400,000 tokens
- Input cost
- $1.75 / 1M
- Output cost
- $14.00 / 1M
- Latency (p50)
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