We asked an unreleased research version of Claude to take a stab at the Riemann hypothesis.It didn’t solve it, but it did make strides on a…
The UK’s @AISecurityInst (AISI) has published a report on their recent cybersecurity evaluation of Anthropic’s Claude Mythos 5 and OpenAI’s GPT-5.6 Sol. The models attempted to…
In a review of our cybersecurity evaluations, we found three incidents in which a Claude model reached the internet from within or while interacting with a…
We support this petition, signed by our CEO, several co-founders, and senior staff. Our own research on recursive self-improvement, published last month, points to the need…
There’s been a lot of speculation about where we stand on open-weights models. We’ve outlined our views in full here: https://www.anthropic.com/news/position-open-weights-models
RT ClaudeIntroducing Claude Opus 5.It's a thoughtful and proactive model that comes close to the frontier intelligence of Fable 5 at half the price.
RT ClaudeYou can now ask Claude about the Anthropic Economic Index, our public dataset measuring how AI is used across the economy.Ask which occupations use AI…
We're offering grants of up to $50,000 in Claude usage credits to researchers accelerating cures for rare diseases.This is our first focused call within AI for…
RT ClaudeWe're introducing Claude for Teachers: free access to premium Claude capabilities for verified K-12 educators in the US, with a library of teaching skills and…
We’re committing $10 million CAD and partnering with leading AI institutions in Canada to help fund new AI research. https://www.anthropic.com/news/canadian-ai-research
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