Anthropic retired a popular AI model and now it's blogging on Substack ...

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

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

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

Michael Burry of "The Big Short" fame has pivoted from investing to writing, launching a paywalled Substack called "Cassandra Unchained." Burry says the blog, which has amassed more than 23,000 ...