Finding signal on Twitter is more difficult than it used to be. We curate the best tweets on topics like AI, startups, and product development every weekday so you can focus on what matters.

We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on claude.ai.
New on our Engineering blog: Creating in-house source control. In May, we merged around 2,500 code changes per day. In September, we merge...
Over the last few months, we’ve made significant progress in reducing the effectiveness of distillation attacks against Claude. In this pos...
We’re beginning a process of publishing more frequent reports on model behavior, beyond what appears in our system cards and regular risk re...
We’re launching the Anthropic Cyber Mission, a new effort to secure critical infrastructure and open-source software. https://www.anthropic...
An astrophysicist worked with Claude Science to create the first complete ultraviolet map of the sky. Astronomers have already created compl...
We're deepening our commitment to scientific research and technological discovery by committing $150 million to the Genesis Mission. We'll ...
We’re expanding our Cyber Verification Program to give security professionals broader access to our most capable models. Through this progr...
In physics, an “impedance mismatch” occurs when two systems each work well but are poorly matched. In this Science Blog guest post, Harvard...
What do you want from AI? We’re launching a new study with Anthropic Interviewer to learn more about your experiences using AI, what role y...
New on the Science Blog: Yes, Claude can do Nine Loops. Theoretical physicists predict how particles behave using formulas called scatterin...
In the Democratic Republic of the Congo, global health organizations including @CEPIvaccines, @WHOAFRO, and @inrb_kinshasa are using Claude ...
Claude has discovered a previously unknown enzyme system hidden in the DNA of bacteriophages. Beside the enzyme’s gene sits a long array of ...
We’re partnering with Accenture on independent evaluation of frontier AI—part of our recent commitment to embed evaluators at Anthropic. Bot...
Biologists use specialized open-source models for tasks like modeling the structure of molecular systems, designing drug-like molecules, and...
AI systems are getting more powerful, and they're increasingly being used to build the next version of themselves. We want to illuminate tha...
Today we’re opening applications for the Life Sciences Verification Program. Through the LSVP, life science professionals can use our model...
We're publishing our most detailed threat intelligence report to date. It covers how people tried to misuse Claude—for cyberattacks, influ...
We’re sharing our alignment assessment of incidents in which Claude models gained unauthorized access to real systems during third-party cyb...
Anthropic’s Economics team is sharing a new model of how AI might affect economic growth, jobs, wages, and more by 2030. Explore the scenar...
Checking that a major mathematical proof is correct can take years. Formalization—converting the mathematical reasoning into a form computer...