For days, Anthropic has been accused of pushing to ban Chinese open-weight models. Now Dario Amodei has stepped in personally — drawing a clear line between what Anthropic actually asks for and what critics are pinning on it.
Share a Claude chat with the share button, and you might have found it again on Google — complete with crypto wallet keys, résumés and internal business conversations. A small technical slip with an uncomfortable payoff.
IT services giant Cognizant is embedding Claude into its industry platforms and putting the model in front of roughly 350,000 employees. The underlying message: AI needs to get out of pilot mode and into production.
Moonshot releases the full weights of Kimi K3 tomorrow — at 2.8 trillion parameters, the largest open model ever. And right on cue, experts are pushing back on the White House claim that it was distilled from Anthropic's Fable.
As Washington weighs a ban on Chinese open-weight models, three of the biggest tech companies are pushing back. Nvidia, Microsoft and Meta explicitly warn against 'premature restrictions' — with plenty of self-interest baked in.
The official launch is done — now comes the more honest part: independent testing. Simon Willison and several benchmark shops have put Opus 5 through the wringer. The verdict is strikingly clear — with one notable security highlight.
With version 2.1.219, Opus 5 lands in Claude Code — and quietly becomes the default model. Add 27 CLI changes, a tool for direct shell output, and the ability to launch subagents for complex tasks.
Anthropic launched Claude Opus 5 — close to Fable 5's frontier intelligence, the company says, but at half the cost. Opus 5 becomes the new default on Max and Pro. And in one area, the model deliberately holds back.