GPT-5.3-Codex
OpenAI · openai/gpt-5.3-codex
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...
fileimagetexttext+image+file->text
Context
Max context: 400000
Max output: 128000
Max output: 128000
Pricing
Input / 1M: 1.75
Output / 1M: 14.00
Blend / 1M: 7.88
Output / 1M: 14.00
Blend / 1M: 7.88
Quality
Quality index: —
Provider
Provider: OpenAI
Moderated: yes
Moderated: yes