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AI companions for imagination, learning, and connection
HQ: Menlo Park, CA, United States | Founded: 2021 | Employees: 110-140 | Stage: Late Stage VC / Post-Google Licensing | Website: https://character.ai
Character.AI is a consumer AI companion platform founded in November 2021 by Noam Shazeer and Daniel De Freitas, the former Google engineers who led LaMDA and co-authored the transformer architecture that underpins modern chatbots. Headquartered in Menlo Park, CA, the company lets users create, customize, and chat with AI characters — original personas, fictional worlds, helpers for learning and roleplay — via web and mobile apps. By early 2023 the service approached 100 million monthly site visits on a 22-person team, and its community has created millions of characters driving billions of messages and industry-leading session length for a consumer AI product.
The company raised $193M including a $150M Series A at $1B valuation led by Andreessen Horowitz in March 2023 with participation
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