Anthropic

The “AI agent” label is doing a lot of heavy lifting right now. It covers a chatbot that drafts an email, a model that ships code on its own, and an autonomous system that operates a browser on your behalf. Same word, very different stakes. There are roughly four shapes these tools come in: chat, copilot, coding agent, autonomous agent. The lines blur, but the autonomy levels don’t. Here’s what each is good at, where each breaks, and how to decide which one to actually reach for. ...

Anthropic announced Claude Mythos Preview on April 7, 2026. They described it as “a step change” and “the most capable model we’ve built to date.” That’s standard launch language. What isn’t standard is everything that came after. Here’s what the model actually does, why governments are paying attention, and what defenders can do now. What Mythos is Mythos is a general-purpose language model — 1M token context window, 128K max output, knowledge cutoff December 2025. On most benchmarks it performs as you’d expect from a frontier model at this scale. ...