
The SpaceX IPO is set to price the biggest stock-market debut in history this week, raising about $75bn at a valuation near $1.75tn, with shares trading on Nasdaq from Friday. But the most consequential thing about Elon Musk’s rocket company going publ…

Anthropic has apologized for stealthily throttling its new AI model, Claude Fable 5, with hidden guardrails that undermine both researchers and rivals using it to develop competing systems. The company says it is reversing course and will be more transparent about when the restrictions kick in, even if that means Fable refuses more queries. Fable […]

In the past fortnight, the two most powerful AI labs on the planet have published research papers, blog posts, and policy proposals warning that frontier artificial intelligence is advancing faster than anyone can control it. In the very same stretch, …
If you doubted his genius, doubt no more.

Anthropic just released Claude Fable 5, calling it the most powerful AI model it has ever made widely available and praising its skills in biology, among others. But the model won’t answer basic biology questions – the kind you’d expect a high schooler to handle. Instead, it hands off the query to the former flagship […]

Anthropic released Claude Fable, its first Mythos-class AI model, yesterday and it’s already causing concerns inside Microsoft. Sources tell me that Microsoft is limiting the use of Claude Fable 5 for employees because of Anthropic’s new data retention requirements. While Microsoft quickly rolled out Claude Fable 5 to its GitHub Copilot and Foundry customers, I’m […]
Cybersecurity researchers are complaining that Anthropic’s new model Fable has guardrails that are too strict for any cybersecurity work.
Instead of spending a year raising a formal venture fund, the Sabertooth VC founder used a captive network of LPs to invest in startups like Anthropic, Anduril, and SpaceX.