Last updated 10-23-2025
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character.ai
Character.AI is bringing to life the science-fiction dream of open-ended conversations and collaborations with computers.
We are building the next generation of dialog agents; with a long-tail of applications spanning entertainment, education, general question-answering and others.
Our dialog agents are powered by our own proprietary technology based on large language models, built and trained from the ground up with conversation in mind.
Natural language processing and machine learning let you chat with your favorite Characters.
It allows you to enjoy unlimited free messaging without ads.
It offers you some additional features, such as voice input and output, offline mode and push notifications.
It allows you to discover millions of public user-created AIs, each with different attributes.