Codex
✓OpenAI coding assistant for software development workflows
AI ModelPay-per-use
OpenAI Codex now refers to the modern Codex coding model family rather than the legacy 2023 Codex models. Current documentation highlights gpt-5.3-codex for Codex coding sessions and gpt-5.3-codex-spark as an ultra-fast research preview model for real-time coding. OpenAI also documents gpt-5-codex in the API model catalog with published pricing and large-context support.
- ●Recommended Codex model: gpt-5.3-codex
- ●Ultra-fast real-time preview model: gpt-5.3-codex-spark
- ●API model card available for gpt-5-codex with published pricing
