We've got an amazing group of people on here who care deeply about our products and want to hear from you. If you ever have feedback, tag th...

One side quest that would be so much fun to try right now is running a bunch of local small businesses with AI helping you out I think prod...

For reference, Haiku 4.5 came out on October 15th, 2025 so these two columns are less than a year apart. and oh yeah Haiku 5.5 is also muc...

Sonnet 5.5 has the same feel I liked about Opus 5.5. It writes clearly, it's very fast, and it's a major capabilities jump over Sonnet 5. Re...

I've been on a Blender kick with Opus 5.5. Its better 3D modeling and vision mean you can build an entire world from a single prompt. Histo...

I just realized Opus 5.5 can use Blender to make claymations with just a single prompt in claude dot ai now

Lots more coming soon. Today is just the start! https://twitter.com/mikeyk/status/2102441803253535060

Using Opus 5.5 feels like hitting every green light on your drive home, drinking a cold glass of water when you're thirsty, and a hot shower...

The team did an amazing job with this merge. The resulting UX feels so much better than chat or Cowork did on their own. And the new slides...

Worth spending a few minutes this weekend to read this essay in full. Embedded evaluators might sound unusual in tech but it's pretty norm...

One non-model thing I'm very excited we announced today with Fable 5.1 is Enterprise Frontier Safeguards (EFS). Even if you're not a CEO/CI...

Fable 5.1 is a beast at many things but one thing in particular I have been having a ton of fun with is generating videos through code. Fo...

The way I keep describing Fable 5.1 to people is that it just works. I explain what I want in a few vague, messy sentences, and it figures ...

Some of my favorite graphs from Opus 5 launch. We put a ton of work into making this model token efficient across domains while still raisin...

Fable feels superhuman at working over long agentic conversations, sometimes to the point where I can't keep up with what it's telling me 😅...

With the help of Claude Mythos Preview, the Firefox team fixed more security bugs in April than in the past 15 months combined.

We released Claude Opus 4.6 just two months ago. Today we're sharing some info on our new model, Claude Mythos Preview.

Link to signup:

We're hosting a webinar today at 10am PT that should be very helpful for folks trying to learn how to apply AI to their work. We'll be shar...

It was easy to miss all the stuff we shipped at Anthropic this past week given... everything else that happened. A few of my favorites acros...