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CompanionChai Research
Mobile-first social AI platform for chatting with user-created characters.
CHAI is a consumer platform where anyone can create, publish, and chat with AI characters — a crowdsourced library of 500,000+ personalities spanning roleplay, stories, and companionship. Founded in 2021 by ex-quant William Beauchamp, it runs proprietary models tuned for entertaining, social conversation rather than factual assistance, and reached $70M in annual revenue in 2026 with over a million daily active users.
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