Anthropic has released the latest version of its mid-sized model, Sonnet 5, which the company claims is its most “agentic” yet. For developers writing agents to automate tedious and recurring tasks, ...

Chinese tech company Meituan officially unveiled LongCat-2.0 on June 30, confirming the open-license, 1.6-trillion-parameter mixture-of-experts AI model is the same system that sp ...

Anthropic restored Claude Fable 5 globally after US export controls were lifted, adding stronger cyber safeguards and temporary access for paid users.

The most capable model Anthropic has publicly released went offline three days after launch when US export controls took effect. Eighteen days later it is back ...

Claude helped expose a critical flaw in a major festival ticketing platform that could've unlocked VIP passes and admin access.

After being taken down by order of the US government, Fable 5 is returning to Claude’s model library. Because of the new restrictions, Fable 5 might just be Opus 4.8 in a mask. Anthropic says Fable 5 ...

Anthropic restores global access to Claude Fable 5 AI model after the US lifted emergency export controls triggered by a security jailbreak.

The revelation that Mythos, the latest version of Anthropic's Claude large language model, can unearth unknown vulnerabilities in computer systems and websites is a crisis moment, especially for ...

Spam accounts overwhelmed my database. Claude found the weaknesses, Codex wrote the fixes, and I deployed a new defense.

Read our full review of Claude Sonnet 5 vs Opus 4.8 to see which AI model provides the best balance of quality and ...

A researcher found that using Anthropic’s Claude Opus 4.7, he could break into the website of Front Gate—used by every ...