The biggest surprise about joining Anthropic is that its commitment to safety is not missionwashing. It is not a thin, feel-good mantra papering over profit maximization. Dario and the founders' positions about AI safety, democracy, and ethics have been remarkably consistent

At the very least, it’s sad & disappointing that OpenAI and Google aren’t standing up more against the obviously authoritarian, unjust, and abusive use of power to designate Anthropic a supply chain risk. This is a moment for solidarity.

Even if it were the case that OAI’s contract with the DoW was much safer and had the key limitations (it’s not and it doesn’t), OAI shouldn’t have defected and taken the deal. Doing so undermines the solidarity of AI labs and encourages further overreaches.

I joined Anthropic because I knew there would be many such decisions and conversations society would face. Anthropic felt like the most responsible and principled. This week, I know I made the right choice. I am very proud to be a part of this company.

Claude is #1 in the App Store today — I want to say a huge thank you to all of our new (and existing!) users for the support. We’re working hard for you, please share your thoughts and feedback along the way.

Anticipate an APA challenge. Given that OpenAI and Anthropic are pretty similar re: security risks, and given that the govt mmediately went into business with the former and is treating the latter worse than Chinese AI firms, most courts would say: arbitrary and capricious.

a lot of friends have told me the reason why they like chatgpt (over other ai applications) is because “it knows me”. here’s a simple solution!

Boaz Barak I'm former general counsel of Army, former Undersecretary of Army, former Undersec of Defense. Not sure if that makes me a nat sec "expert." But Leo Gao interpretation is the right one, IMO.

Aidan McLaughlin Cyrus Redmond This isn't true. Anthropic hasn't offered a "helpful-only" model without safeguards for NatSec use. Claude Gov is a custom model with extra training, including technical safeguards. (We've also had FDEs and researchers implementing it, and we run our own classifier stack.)

Anthropic SCR designation is unfair, unwise, and an extreme overreaction. Anthropic is filled with brilliant hard-working well-intentioned people who truly care about Western civilization & democratic nations success in frontier AI. They are real patriots. Designating an

It is so clear that the important fissure in AI politics right now is not “liberal vs. conservative,” “Democrat vs. Republican,” “e/acc vs. EA,” or “safety vs. anti-safety,” but instead “takes advanced AI seriously as a concept vs. does not take advanced AI seriously.”

We've seen unprecedented growth in Claude and Claude Code traffic this week that was genuinely hard to forecast. We appreciate you bearing with us as we scale.

Join Anthropic and train Claude to be the best knowledge coworker with taste! You'll teach Claude many things from navigating complex internal knowledge bases to building sophisticated financial models. We also closely partner with product team (e.g., Claude in Excel/Powerpoint

We're continuing to see strong growth and excitement for Claude products. We’re so thankful for all your support. Here are some things we're doing on Claude Code to make sure things are running smoothly.

More than a million people are now signing up for Claude every day. To everyone choosing to make Claude part of how they work and think: welcome.

As always -- impressed with Dario's moral backbone and ability to openly and honestly reflect. I am so proud to work here. Thank you Dario Amodei and Anthropic for showing us principled leadership. As Katy Perry said - You're a firework / Come on, show 'em what you're worth

“Our lawyers have studied the designation and have concluded that Anthropic products, including Claude, can remain available to our customers — other than the Department of War."

Dean W. Ball comment on the Ezra Klein podcast that brought me joy: "In fact, many conservative intellectuals that I know that I think of as being like some of the smartest people I know actually prefer to use Claude because Claude is the most philosophically rigorous model."

15/ Use /voice to enable voice input Fun fact: I do most of my coding by speaking to Claude, rather than typing. To do the same, run /voice in CLI then hold the space bar, press the voice button on Desktop, or enable dictation in your iOS settings.