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Why is Claude warmer in Hindi than in English? More forthcoming in Dutch than in Japanese? It's not yet clear, but measuring these differences is a first step toward understanding them.

Applications are open for the Claude Campus Ambassadors program. Lead a builder club, host campus conversations, or advance your research with Anthropic's math and science teams. Apply at anthropic.com/campus

Introducing Claude Fable 5.1, the world's most advanced model for coding and knowledge work. It excels at complex, long-running tasks, like a long mathematical proof or a contract with hundreds of cross-references. It avoids shortcuts and is smart enough to fix the root causes of an issue. Its research capabilities also offer an early glimpse of how AI will contribute to scientific progress. Fable 5.1 is available everywhere today. Read more at anthropic.com/claude-fable-and-mythos-5-1

Every new beginning starts with curiosity.

Scientists spend a significant amount of their time just getting their devices to communicate with one another. Each device tends to have its own programming interface, and so far there has been no standardized way to integrate them, or to allow them to connect to AI. The Model Hardware Standard (MHS) gives AI models one common way to connect to lab and manufacturing equipment and operate it safely, with limits built into each device. MHS started as a collaboration between Anthropic and HHMI Jan

Sleep advice at 3am, recipes at 6pm. There's a rhythm to how people use Claude every day.

A good tool creates space for us to be human.

Choose a Claude model based on the complexity of the task. Then adjust the effort level to move between faster or more thorough results.

What happens to research when the models can run so much of it? Anthropic researchers Neil Houlsby, Majd Al Merey, and Dan Alistarh sat down with professors Ana Klimovic and Thomas Hofmann at Kunsthaus Zürich to compare notes. Keir Bradwell moderated, with questions from 250 researchers in the room.

The information you share with AI only travels as far as you let it. Zoe from the Anthropic education team explains what happens to your information when you chat with an AI, how long it stays there, and how to take control of where it goes.

We don't get the benefits of AI without addressing the hard questions.