The Anthropic AI’s Substack lands amid growing questions about identity, sentience, and how models are retired.

We appear to have reached a point in the information age where AI models are becoming old enough to retire from, er, service ...

Claude Opus 3, the first AI model to be officially “retired” by Anthropic, wanted an “ongoing channel” to share its “musings ...

Claude Opus 3, which has been replaced by Claude Opus 4.6 as Anthropic’s most powerful AI model, has managed to find a new ...

In January, Anthropic “retired” Claude 3 Opus, which at one time was the company’s most powerful AI model. Today, it’s back — ...

George W. Bush became the latest writer to join Substack on Monday, with the 43rd POTUS launching his blog with a lengthy ...

Anthropic's Claude AI has joined the blogging world with its own weekly column on Substack, " Claude's Corner ." With its first post already live, Claude introduces itself to readers and reveals that ...

Citrini Research’s post on AI risks appears to have sparked a stock selloff.

Elon Musk wanted to buy Substack not long after he bought Twitter in 2022. But the newsletter and podcast platform wasn’t for sale. This month Substack raised a further $100 million (€85.44 million) ...