Personalized Superintelligence Platform Character.AI Secures $150M in Series A Funding Led by Andreessen Horowitz

Introduces New, Smarter C1.2 Model with Expanded Capabilities, Including Productivity, to Be the Ultimate Companion

PALO ALTO, Calif.–(BUSINESS WIRE)–Character.AI today announced it has closed a $150 million Series A fundraising round at a $1 billion valuation led by Andreessen Horowitz (a16z) with participation from previous investors, including Nat Friedman (former GitHub CEO), Elad Gil, SV Angel and A Capital. Andreessen Horowitz General Partner Sarah Wang will join Character.AI’s board of directors.

The funds raised allow Character.AI to continue its significant growth trajectory by expanding its compute abilities resulting in a more sophisticated model with advanced reasoning and greater accuracy, delivering new features and capabilities to users, and expanding its engineering team.

Founded in 2021 by AI and large language model pioneers Noam Shazeer and Daniel De Freitas, Character.AI is at the forefront of critical conversational AI technology that inspires imagination, discovery, and understanding to help people live their best lives, from making everyday tasks easier to solving complex societal issues.

Character.AI offers users the ability to create a fully-customizable and personalized AI companion with a distinct personality and values. Whether a user is seeking a sympathetic ear or an analytical problem-solver, there’s an AI at Character.AI to meet the unique needs of every person. For those less interested in complete personalization, the growing community of creators at Character.AI have developed millions of AI characters for people to connect and use.

“Daniel and I are pleased that a world class group of investors, led by the amazing team at a16z, believes in the remarkable advancements we’re making in AI, the company we’re building, and the value we can deliver to society and investors. We are gratified they recognize our ability to revolutionize AI and improve the way people live,” said Shazeer. “Character.AI’s power is our highly-sophisticated language model, which rapidly analyzes and contextualizes large volumes of information to produce useful intelligence tailored to each individual, making it a personalized superintelligence companion that enhances productivity, offers advice, educates, and entertains. The potential use cases are infinite.”

Since the platform’s beta launch in September 2022, Character.AI has experienced rapid growth, including:

  • Nearing 100 million monthly site visits, a four-fold increase in two months.
  • An average time on site of more than two hours per day for users who send a message.
  • More than two billion messages sent by users since launch. The first one billion user messages were sent in the span of four months. The second billion user messages have been sent in the past one month.
  • Users have created more than 2.7 million characters. The platform launched with fewer than 100.
  • Character.AI is now ranked in the top 400 websites globally based on monthly visits according to Similarweb rankings.

Today, Character.AI is also releasing an early preview of C1.2, its new, smarter, more helpful model, which introduces new productivity capabilities, building on the entertainment, roleplay and emotional support of the C1.1 model. C1.2-powered Characters can help draft emails, assist with test prep by being a study buddy, brainstorm ideas and much more.

“For years, we’ve known the potential and power of conversational AI, and it’s incredibly rewarding to see people from around the globe use Character.AI for a huge variety of use cases. We understand the importance of providing an AI that truly feels like your own. Our world-class team of engineers continue to develop new frontiers in large language models and AI, bringing together the EQ and IQ to deliver an unparalleled and personalized experience to each user. ​​Whether you’re looking for productivity, entertainment, or a supportive friend, Character.AI is here for you, ready to assist and support you every step of the way,” said De Freitas. “Character.AI is proud to be a full-stack AI company, meaning we do everything from training the language models to building the user interface. This gives Character.AI the power to create personalized experiences no other AI can match.”

“Character.AI is rapidly and dramatically advancing generative AI, with the potential to transform how humans connect not just with AI, but more broadly reinvent how we interact with technology as a whole in our everyday lives,” said Sarah Wang, General Partner at a16z. “Noam and Daniel have been trailblazers in AI for nearly two decades, and we’re excited to support them in the next chapter of their journey. They’ve built a powerful platform, with an end-to-end combination of both model and application that allows Character.AI to continuously improve its product as more people create and engage with its characters.”

As Character.AI continues to welcome users to experience its productivity and entertainment capabilities, it also invites world-class talent, including developers and engineers, to join its trailblazing team building AI’s premier full-stack technology. To view open positions and apply, visit the Character.AI career site at

About Character.AI

Founded in 2021 by artificial intelligence researchers and former Google engineers Noam Shazeer and Daniel De Freitas, Character.AI is a conversational artificial intelligence platform that uses large language models, deep learning algorithms that can recognize, summarize, translate, predict, and generate text and other content, to provide individuals with a personalized artificial intelligence experience. The platform lets anyone create and engage with Characters, allowing users to build their own, personalized use cases and share them with others. For more information, visit:


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