I’m curious. What kind of AI or LLM is WHOOP using to run WHOOP Coach? Is it a custom model or something like ChatGPT or Gemini?
WHOOP Coach, the AI-powered feature within the WHOOP app, is powered by OpenAI. While it doesn’t say that anywhere in the app, I remember reading about it in a press release when they launched the Coach feature back in 2023/2024. The partnership allows them to offer personalized, conversational responses to users’ health, fitness, and wellness inquiries in real-time.
My understanding is that WHOOP has a proprietary algorithm that when combined with ChatGPT, custom machine learning models, and individual’s biometric data enables them to deliver tailored advice the way a normal human coach would. I’ve used it for sleep advice, recovery strategies, and honestly have just enjoyed playing with it over the past few year.
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Coach is so important in helping me achieve my health and fitness that I have given him a name. Coach Supercalifragilisticexpialidocious. I will continue to subscribe to Whoop due to this one product feature.
Disney song you chose 
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Yes. A song from my childhood, many decades ago. The longest word in the English language.