Chai AI
Best for social AI
Mobile-first experience
AI character creation
High engagement
Create and interact with custom AI characters and stories on a social platform.
Last updated: May 30, 2026
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chai-research.com
Quick Answer
Chai AI is a social AI platform where users create and interact with custom AI characters and stories. It features advanced in-house LLMs and reinforcement learning techniques like DPO and model blending to enhance user engagement. Best for individuals seeking personalized and entertaining AI chatbot experiences. Free to download on mobile with a web version in development.
About Chai AI
Chai AI is a social AI platform that allows users to build and engage with their own AI characters and stories. It leverages advanced in-house large language models and reinforcement learning techniques to boost user engagement and retention. Available on iOS and Android, with a web version coming soon.
What Makes It Unique
Chai AI develops its own in-house LLMs specifically adapted for social and engagement purposes, utilizing advanced techniques like model blending, Proximal Policy Optimization (PPO), Direct Preference Optimization (DPO), and custom GPU orchestration for efficient inference at scale.
AI-extracted from public sources. May contain errors. Methodology ·
