OpenAI has officially upgraded its AI coding agent, Codex, to the advanced GPT-5 model, as announced by CEO Sam Altman on X. Known as GPT-5 Codex, this agent can efficiently allocate time to various coding tasks, handling complex challenges that may take up to 7 hours. According to benchmarks like SWE-bench Verified, GPT-5 Codex excels in coding tasks, outperforming its predecessor GPT-5. Notably, it uses 93.7% fewer tokens while allowing for double the time on tasks related to reasoning, editing, and testing. This upgraded version boasts enhanced error-checking capabilities and offers impactful code reviews. The competitive landscape for AI coding tools is intensifying, featuring rivals like Claude Code and Replit. The rollout of GPT-5 Codex will be available to ChatGPT Plus, Pro, Business, Edu, and Enterprise users, with plans for API integration. Stay updated on advancements in AI coding tools as they revolutionize software development.
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