OpenAI releases GPT-5.3-Codex — advanced agentic coding model
AI Impact Summary
OpenAI is releasing GPT-5.3-Codex, a new agentic coding model that builds upon the capabilities of GPT-5.2-Codex. This represents a significant advancement in coding performance and reasoning abilities, potentially accelerating software development workflows for users. The release date of February 5, 2026, provides ample time for integration and experimentation.
Affected Systems
Business Impact
The new GPT-5.3-Codex model can improve developer productivity and accelerate software development.
Models affected
- Date
- Date not specified
- Change type
- capability
- Severity
- high