Sarah Perez / TechCrunch:Appfigures: Sora saw 56K iOS installs on its first day, on par with Grok but ahead of Claude and Copilot; ChatGPT and Gemini each had ~80K installs on day one — OpenAI's Sora app for AI videos is a viral hit, despite being invite-only for now and limited to users in the U.S. and Canada at launch.