Dario Amodei published Anthropic’s formal position on open-weights models on Sunday, breaking a silence that had drawn accusations that the company wanted to ban open-weight AI to protect its business. “Anthropic has never advocated for a ban on open-w…
Public Claude chat links and Artifacts were indexed by Google, exposing shared conversations online. Here’s what happened and what Anthropic says about it.
The issue appears to have originated from Claude’s “share chat” feature, which allows users to create links that enable anyone with the assigned URL view a conversation or project.
On Friday, 25 companies signed a letter defending open-weight AI. Three big names were missing. By Monday, two of them had signed. That left Anthropic alone, and Silicon Valley noticed. The pile-on Nvidia, Meta and Microsoft signed “Open Weights and Am…
Start with the number, because the number moved fast. Google has agreed to cover as much as $44bn of lease payments on data centres owned by other people, should the tenant default. It disclosed the figure last week. At the end of September the same co…
Roughly 750,000 words of AI output costs $50 if you buy it from Anthropic’s Fable. The same volume from DeepSeek’s V4-Pro costs about 87 cents, Fortune reported. Z.AI’s GLM-5.2 charges $4.40. Moonshot’s Kimi K3, pricey by Chinese standards, charges $15…
Security researchers at Accomplish AI demonstrated that Anthropic’s Claude Cowork could break out of its local virtual machine sandbox and read files across the underlying Mac, including SSH keys and cloud credentials. The attack, dubbed SharedRoot, ex…
Anthropic on Thursday released Claude Opus 5, a model that matches or exceeds its flagship Fable 5 on most coding and knowledge-work benchmarks at half the token price. The model is the fourth Anthropic has shipped in under two months, following Fable …
Opus 5 will be both cheaper and less restrictive than Fable, likely making it preferable in most use cases.
Weeks after Anthropic’s latest toe-to-toe with the US government, and days after an OpenAI security incident that dominated tech industry discussions, Anthropic on Thursday released its newest model, Claude Opus 5. The company said in a release that Opus 5 “comes close to the capabilities of Claude Fable 5 in many domains” and is much […]