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Alex Chen

Alex Chen

AI Research Editor

Alex covers AI research and frontier models. Former ML engineer at a leading lab.

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AI & ML

OpenAI Just Dropped GPT-5.5 and It Wants Your Whole Workflow

OpenAI released GPT-5.5 on Thursday, just six weeks after GPT-5.4. Codenamed "Spud" internally, it's reportedly the company's first fully retrained LLM since GPT-4.5, and the pitch is agentic work — hand it a messy, multi-step task and trust it to finish. On Terminal-Bench 2.0 it scores 82.7%, a clear jump over GPT-5.4's 75.1% and well ahead of Claude Opus 4.7 at 69.4%.

Alex Chen· Apr 24, 2026
4m
AI Is Now Finding Security Holes That Survived Decades of Human Review
AI & ML

AI Is Now Finding Security Holes That Survived Decades of Human Review

From Anthropic's Claude Mythos to OpenAI's Codex Security, AI agents are discovering critical vulnerabilities faster and at a scale no human team can match.

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Alex Chen· Apr 11, 2026
6m