ChatGPT's mobile app revenue saw biggest spike yet following GPT-4o launch - TechCrunch 0 20.05.2024 17:27 Google.com ChatGPT's mobile app revenue saw biggest spike yet following GPT-4o launch TechCrunchOpenAI departures: Why can’t former employees talk, but the new ChatGPT release can? Vox.comOpenAI Launches GPT-4o and More Features for ChatGPT CNET