# Character.AI

**Source:** https://geo.sig.ai/brands/characterai  
**Vertical:** AI & Machine Learning  
**Subcategory:** General  
**Tier:** Leader  
**Website:** character.ai  
**Last Updated:** 2026-04-14

## Summary

AI character platform with hundreds of millions of users; create and chat with personas, founded by Transformer co-inventor Noam Shazeer at $5B valuation.

## Company Overview

Character.AI is an AI platform enabling users to create and chat with AI personas — fictional characters, historical figures, celebrity-style bots, and original creations — through a conversational interface that maintains consistent character personalities across extended dialogues. Founded in 2021 by Noam Shazeer (co-inventor of the Transformer architecture) and Daniel De Freitas, both former Google engineers, Character.AI quickly amassed one of the largest and most engaged user bases of any consumer AI product.

The company raised $150 million in Series A funding in 2023 at a $1 billion valuation and subsequently raised an additional $2.5 billion at a $5 billion valuation, reflecting extraordinary user engagement metrics — particularly among younger users spending hours daily interacting with AI characters. Character.AI's core technology focuses on persona consistency and long-term memory within character interactions, areas where the company has invested deeply relative to general-purpose AI assistants.

In 2025, Character.AI serves hundreds of millions of users globally and has become one of the most downloaded AI apps. The company has faced scrutiny over content moderation, particularly regarding interactions with minors, and has responded with expanded safety measures and age-appropriate content filters. Google struck a significant deal in 2024 to license Character.AI's technology and bring on Shazeer and other engineers, providing Character.AI with capital while Google gains access to the underlying model research. Character.AI competes with Replika, Janitor AI, and general AI assistants while occupying a unique niche in companionship and entertainment AI.

## Frequently Asked Questions

### What is Character.AI?
Character.AI is an AI & Machine Learning company that enables users to create and chat with AI characters. Founded in 2021 and based in Menlo Park, California, the platform allows interaction with custom chatbots, including celebrity personas, historical figures, and specialized assistants.

### What products and services does Character.AI offer?
Character.AI offers AI character chatbots, custom bot creation tools, celebrity and historical figure bots, language learning bots, and creative writing assistants. Users can create their own custom chatbots or interact with existing ones.

### Who uses Character.AI?
Character.AI serves a broad user base with 20M active users and 200M monthly visitors as of January 2025. The platform appeals to users interested in conversational AI, language learning, creative writing, and entertainment through AI character interactions.

### When was Character.AI founded?
Character.AI was founded in 2021 in Menlo Park, California.

### Where is Character.AI located?
Character.AI is based in Menlo Park, California.

### What is Character.AI's funding and valuation status?
In August 2024, Google invested $2.7B and licensed Character.AI's LLM technology as part of an acqui-hire deal. The company's valuation dropped from a peak of $2.5B to $1B.

### What are Character.AI's key metrics and achievements?
As of January 2025, Character.AI has 20M active users, 200M monthly visitors, and over 18M unique custom chatbots created on the platform. The company expected $32.2M in revenue for 2024 with $50.1M projected for 2025.

### What technology does Character.AI use?
Character.AI has developed its own large language model (LLM) technology, which Google licensed in August 2024 for $2.7B. This proprietary LLM powers the platform's AI character chatbots and custom bot creation capabilities.

### How can I get started with Character.AI?
Based on the provided information, Character.AI allows users to create custom chatbots and chat with AI characters. Specific contact or onboarding details are not provided in the available information.

### What are the latest developments at Character.AI?
In August 2024, Google acqui-hired Character.AI's founders and 30 research team members to Google DeepMind, invested $2.7B, and licensed the company's LLM technology. As of January 2025, the platform continues operating with 20M active users and projects $50.1M revenue for 2025.

## Tags

ai-powered, b2c, media, mobile-first, saas

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*Data from geo.sig.ai Brand Intelligence Database. Updated 2026-04-14.*