Large Language Models

Feb 5, 2026

Introduction of GPT-5.3-Codex, an Advanced Coding Model

Feb 5, 2026

AI Summary

GPT-5.3-Codex has been introduced as the latest coding model, enhancing capabilities in coding performance and reasoning.

GPT-5.3-Codex is described as the most capable agentic coding model available.
It combines the coding performance of GPT-5.2-Codex with improved reasoning and professional knowledge capabilities from GPT-5.2.

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