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Character ai
Artificial Intelligence
Character.ai is a Silicon Valley-based AI company that lets users create and converse with customizable AI chatbot personas, ranging from fictional characters to role-play companions.
$5.97B
+$167.72
1,519.24%
30 days ago
$11.04
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Character.ai was founded in 2021 by Noam Shazeer and Daniel De Freitas, both former Google engineers who had worked on some of the foundational research behind modern large language models before leaving to build a consumer product centered on open-ended, personality-driven conversation with AI characters, a use case they believed Google was unwilling or unable to pursue given the company's more cautious approach to conversational AI products at the time. The platform lets users create custom AI "characters," each with its own defined personality, backstory, and conversational style, which other users can then chat with, and also browse and interact with a very large library of characters created by other users, ranging from recreations of fictional characters from books, movies, and games to original personas designed for particular kinds of conversation, role-play, or companionship. Character.ai grew extremely quickly among younger users, particularly teenagers and young adults, drawn to open-ended, personalized conversational experiences with AI characters in a way that distinguished it from more general-purpose assistants like ChatGPT, and the app became one of the most highly used AI products by engagement time among younger demographics. This rapid growth among young users also brought Character.ai under significant scrutiny regarding child safety and mental health, including high-profile lawsuits alleging that interactions with the platform's chatbots contributed to self-harm and, in one widely covered case, a teenager's suicide, prompting the company to implement additional safety features, age verification measures, and restrictions on some content for younger users. In 2024, in a deal structured similarly to other major AI talent transactions of that period, Google agreed to license Character.ai's technology and hired co-founders Noam Shazeer and Daniel De Freitas along with other researchers back to Google, while Character.ai continued operating independently with new leadership. The company had raised substantial venture funding from investors including Andreessen Horowitz, reaching a valuation of roughly $2.5 billion at the time of the Google transaction (based on the price at which existing investors were bought out).
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