Anthropic just launched a new way to build, host, and share AI-powered apps directly inside the Claude app. Developers can now iterate faster without worrying about scaling costs or managing API keys.
Here’s the deal: apps you create with Claude use the user’s own Claude subscription when they run your app. That means you don’t pay for their usage—no surprises, no overhead.
Users authenticate with their existing Claude accounts. The code Claude writes is transparent, modifiable, and shareable. You get full control over the AI orchestration inside your app. 
Early adopters are already using this for AI-powered games with NPCs that remember conversations, personalized learning tools, data analysis apps with CSV uploads, writing assistants, and complex multi-agent workflows.
Getting started is simple. Enable the new interactive feature in Claude, describe your app, and Claude writes the code for you. Claude can even debug and improve its own code based on your feedback. Share your app instantly via a link—no deployment headaches.
What you get:
- Use Claude API inside your artifacts
- Build rich UIs with React
- See, fork, and customize any app
Current limits: no external API calls yet, no persistent storage, and it uses a text-based completion API only.
This is live in beta for Free, Pro, and Max Claude users.
Anthropic stated:
Today, we’re introducing the ability to build, host, and share interactive AI-powered apps directly in the Claude app. Now developers can iterate faster on their AI apps without worrying about the complexity and cost of scaling for a growing audience.
Claude can now create artifacts that interact with Claude through an API— turning these artifacts into AI-powered apps, where the economics actually work for sharing.
When someone uses your Claude-powered app:
They authenticate with their existing Claude account
Their API usage counts against their subscription, not yours
You pay nothing for their usage
No one needs to manage API keysClaude writes real code that orchestrates complex AI functionality. You can see it, modify it, and share it freely.
Early users have already used interactive artifacts to build:
AI-powered games with NPCs that remember conversations and adapt to player choices
Learning tools that adjust to individual skill levels and provide personalized tutoring
Data analysis apps where users upload CSVs and ask follow-up questions in natural language
Writing assistants that help with everything from scripts to technical documentation
Agent workflows that orchestrate multiple Claude calls for complex tasksStart building in the Claude app by enabling this new interactive capability. Simply describe what you want to create, and Claude will write the code for you.
As you work together, Claude can debug and improve its own code based on your feedback. Once your app is ready, you can share it instantly through a link—no deployment process needed. Claude takes care of the technical details like prompt engineering, error handling, and orchestration logic, allowing you to focus entirely on bringing your idea to life.
What you can do:
Use a Claude API within your artifacts
Process files and create rich UIs with React
See, fork, and customize any artifactCurrent limitations:
No external API calls (yet)
No persistent storage
Limited to a text-based completion APIThis capability is available in beta to Free, Pro, and Max plan users.
