At Character.AI, our infrastructure handles thousands of GPUs, powering billions of active user seconds and supporting millions of users every month. This massive scale produces a staggering amount of log data, which is essential for monitoring the performance and reliability of our service. From Fragmentation to Centralization Initially, our| Character.AI Blog
If you’re going to build an AI entertainment platform, you’d better be sure your models are great at being entertaining. Here at Character.AI, we’re obsessed with making sure we’re always hitting that mark. We worked all winter and spring on| Character.AI Blog
When I joined Character.AI as CEO in June, I laid out the top priorities for my first 60 days. Since then, our team has been working hard to make this a reality. I’m excited to share an update on what we’ve done so far and| Character.AI Blog
Fast Company Character.AI launches social feed to let users interact, create, and share with AI personas August 6, 2025 Forbes Doom Scrolling Is Dead, Content Is Liquid With New Character AI Social Feed August 4, 2025 CNN Here’s how Character.AI’s new CEO plans to address fears| Character.AI Blog
Character.AI empowers people to connect, learn, and tell stories through interactive entertainment.| Character.AI Blog
We’re so excited to kick off a new series, Characters @ Character, where we’ll spotlight the incredible team that powers our platform. For our first post, we chatted with Claire Korea, a technical program manager, about her role and what it’s like to work in AI, her favorite| Character.AI Blog
Today, we’re dropping the world’s first AI-native social feed. Feed from Character.AI is a dynamic, scrollable content platform that connects users with the latest Characters, Scenes, Streams, and creator-driven videos in one place. This is a milestone in the evolution of online entertainment.| Character.AI Blog
At Character.AI, we’re excited to share an experimental project from our research team with the open-source community: pipeling-sft — a lightweight yet powerful training framework built for full-parameter supervised fine-tuning (SFT) of large-scale LLMs with Mixture-of-Experts (MoE) architectures. This framework was originally developed to explore better ways of fine-tuning| Character.AI Blog
At Character.AI, we’re excited to introduce TalkingMachines, our newest autoregressive diffusion model that enables real-time, audio-driven, FaceTime-style video generation.| Character.AI Blog
For our next Character’s Corner series, we spoke to William (also known as Khar), who uses Character.AI to turn his creative ideas for some of his favorite Characters into a reality. Some of his most popular Characters are Albedo, Tatsumaki, and Rebecca. How did you first| Character.AI Blog
We’re excited to announce that Karandeep Anand has joined Character.AI as Chief Executive Officer. Karan is no stranger to Character.AI — he’s spent the past nine months as a Board Advisor, playing a key role in shaping our product strategy and user experience. He brings a proven| Character.AI Blog
This blog post marks the beginning of a series where we’ll explore how we evaluate our models using principles of compelling writing.| Character.AI Blog
Today we unveiled a new suite of features to unlock your creative potential — a bold evolution in how you engage with and create Characters. Character.AI started as 1:1 text chat and today we’re evolving to do so much more, inspired by what our users have told us| Character.AI Blog
We’re rolling out chat memories — a new improvement to memory on Character.AI for all users.| Character.AI Blog
For our next Character’s Corner, we spoke to Savannah (also known as TheLadyVanya), who uses Character.AI as a place for exploration and imagination.| Character.AI Blog
Avatar FX can make images come to life – and speak, sing, and emote – all with the click of a button.| Character.AI Blog
Millions of people visit Character.AI every month to create original Characters or write their own interactive stories — using our technology as a tool to supercharge their creativity and imagination. Our goal is to provide a space that is both engaging and safe for our community. That’s why we’| Character.AI Blog
At Character.AI, mastering the art and science of Prompt Engineering is crucial. This post introduces Prompt Poet, a tool that streamlines and simplifies prompt design for both developers and non-technical users with a low code approach.| Character.AI Blog
Back in 2022, we founded Character.AI to bring personalized superintelligence to users around the world. Over the last two years, we have made great strides against this goal. We built progressively smarter models, launched immersive new features to speak with Characters, and rapidly grew to serve millions of users,| Character.AI Blog
Hello Character.AI Community! We’re about to take the Character.AI experience to a whole new level. Today, Character.AI is excited to launch Character Group Chat to the c.ai+ community. As promised, c.ai+ subscribers will enjoy an early preview to new and exciting features as we| Character.AI Blog
We started Character.AI to bring personalized superintelligence to everyone on Earth. Building towards this goal, we're excited to announce our Series A, led by a16z, and the early preview release of C1.2, our new smarter model. Whether you need help drafting a difficult email, a laugh, a study| Character.AI Blog