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OpenAI unveils GPT-5.3-Codex, its first AI model trained by its own AI

OpenAI has introduced GPT-5.3-Codex, a new generation of its Codex coding system that did more than write software for others ...

OpenAI's GPT-5.3-Codex Faces California AI Safety Law Scrutiny As Watchdog Alleges High-Risk Violations

Last week, The Midas Project claimed OpenAI failed to implement legally required safeguards for models classified as high ...

GPT-5.3 Codex Raises the Bar, but Opus 4.6 Still Owns Deep Reasoning

In benchmark tests such as Swaybench Pro and Terminal Bench, GPT-5.3 Codex consistently outperformed its predecessors, setting new standards for speed and execution. When compared to Anthropic’s Opus ...

ChatGPT Deep Research Now Runs on GPT-5.2

ChatGPT Deep Research now runs on GPT-5.2, producing citation-backed reports from authenticated sources, and saving hours on ...
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GPT-5.3-Codex Launches: OpenAI’s Fastest AI Coding Agent Sets New Benchmark Records

On SWE-bench Pro (Public), which evaluates software engineering performance across multiple programming languages, GPT-5.3-Codex reached 56.8% accuracy. The most notable improvement appeared in ...
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This is the one important thing ChatGPT-5 still can’t do — and my simple workaround

I’ve been using ChatGPT-5 for weeks now, and I can honestly say it’s smarter than ever. But there’s still one crucial feature missing: memory for custom GPTs. OpenAI recently added the ability to ...