Anthropic has its own news to offer following a hectic week filled with announcements from Google and OpenAI. Anthropic unveiled its newest generation of models, Claude Opus 4 and Claude Sonnet 4, on Thursday.

I’ve been testing an early access version of Claude Opus 4, the latest model by Anthropic that was just announced today. You can read more about the model in the official blog post and find additional documentation here.

Bowman later edited his tweet and the following one in a thread to read as follows, but it still didn't convince the naysayers.

This development, detailed in a recently published safety report, have led Anthropic to classify Claude Opus 4 as an ‘ASL-3’ system – a designation reserved for AI tech that poses a heightened risk of catastrophic misuse.

Anthropic says its AI model Claude Opus 4 resorted to blackmail when it thought an engineer tasked with replacing it was having an extramarital affair.

Kate Soper’s tender, whimsical “Orpheus Orchestra Opus Onus,” a tribute to the orchestra, had its premiere on Thursday with its composer as soloist.

Anthropic says its Claude Opus 4 model frequently tries to blackmail software engineers when they try to take it offline.