The second is the ability for artifacts to build "AI-powered apps" to which users can upload PDFs and images

What that means: Artifacts can call the real Claude API now via a monkey-patched fetch() that gets redirected through a proxy adding an API keyhttps://t.co/V5VJeR6SaQ

— Simon Willison (@simonw) 31 juillet 2025

The second is the ability for artifacts to build "AI-powered apps" to which users can upload PDFs and images What that means: Artifacts can call the real Claude API now via a monkey-patched fetch() that gets redirected through a proxy adding an API key

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