Codex Prompting Guide
Codex models advance the frontier of intelligence and efficiency and our recommended agentic coding model. Follow this guide closely to ensure you’re getting th
Fetched April 7, 2026
Codex models advance the frontier of intelligence and efficiency and our recommended agentic coding model. Follow this guide closely to ensure you’re getting th
Fetched April 7, 2026
Launched GPT-5.3-Codex, the most capable agentic coding model yet. This model is the first that combines Codex + GPT-5 training stacks, bri…
OpenAI · ModelsGPT-5.3-Codex is a Codex-native agent that pairs frontier coding performance with general reasoning to support long-horizon, real-world tec…
OpenAI · Product Releases