Large Language Models

Feb 5, 2026

Launch of GPT-5.3-Codex for Advanced Coding and Reasoning Tasks

Feb 5, 2026

AI Summary

GPT-5.3-Codex has been introduced as a new agent designed to enhance coding performance and general reasoning capabilities. This tool aims to assist users in tackling complex, long-term technical projects.

GPT-5.3-Codex is a Codex-native agent.
It combines advanced coding performance with general reasoning abilities.
The agent is intended to support users in real-world technical work that requires long-term planning and execution.

Related Stories

Large Language Models

Thinking Machines Lab develops AI model for simultaneous conversation

1h ago

Large Language Models

ChatGPT Sees Increased Adoption Among Older Users in Early 2026

15h ago

Large Language Models

Optimizing Matrix Multiplication for Swift in LLM Training

1d ago

Large Language Models

arXivLabs Encourages Collaboration on New Features with a Focus on Privacy

2d ago