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This ghost is 164 years old. Pepper's ghost is a stage illusion from 1862, rebuilt here with a screen and an angled sheet of glass. Claude helped model the enclosure and simulate the reflection before the build.

Claude Duet is a new app where Claude messages you first, and only when something needs you. Each morning it sends a short brief on your top priorities. Hand it a bigger job by voice note, put your phone down, and it keeps working. Before it sends, pays, or signs anything, it waits for your okay. It’s an early research preview and we’re still learning. What do you want to know about how it works? Join the waitlist on Pro and Max plans in the US: claude.com/claude-duet

When Luis and Laura started SoFlo Solar, Laura had never written code. She built the first version of the company’s operating platform with Claude in eleven days. Today, their Miami-based company installs new solar systems and repairs the ones other companies left behind.

Every 20 minutes, Tony the Rigatoni tells you to sit up straight. Built in an afternoon with Claude Opus 5.5 and Claude Design.

Chat or Cowork? You don’t have to choose anymore. Ask Claude to analyze your spending. Then ask for it as a doc, a dashboard, or a design, all in the same conversation. Type /doc, /dashboard, or /design to try it.

As models get better at building software, more of the work that matters moves earlier: having the idea, trying a few directions, getting reactions while it’s still cheap to change. That’s true for the small parts too, like the onboarding on a side project. Nate Parrott, a product designer at Anthropic, does exactly that with Claude Design. He starts from his existing code, reacts to a few options, clicks through a prototype, and hands the one he likes to Claude Code to build. Claude Design work

Introducing Claude Haiku 5.5: the cheapest, fastest, and most capable small model we’ve ever released. On average, it costs around 75% less to run than Claude Haiku 4.5. Haiku 5.5 is designed for high-volume, cost-sensitive tasks like summaries and classification, and it’s fast enough for live customer support and browser use. It also pairs well with Claude Opus 5.5 and Sonnet 5.5, which can hand smaller pieces of coding work off to it. Haiku 5.5 is available everywhere today. Read more at anthr

Feeling small can help you think bigger.

Newer models can take on bigger tasks than most people are used to giving them. Three habits that could be holding Opus 5.5 and Sonnet 5.5 back, and what to do instead.

Nate, a designer at Anthropic, used to start a presentation by staring at a blank slide. Now he goes for a walk. He talks the whole idea into a voice memo on his phone, messy and unstructured, then hands the transcript to Claude with one instruction: turn my exact words into a deck, organized so it makes sense. For the next two weeks, start a deck, doc, or design in the Claude app, and the work that follows in that conversation uses 50% less of your usage limits. Available on Pro, Max, and Team