What made Character.ai's early models so engaging? Before open-source models became the norm, our team built Kaiju - a family of in-house LLMs designed to power millions of fast, expressive conversations every day with an eye towards safety.
Our latest blog post looks back at that foundational work....
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...
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...