Before Character.ai shifted its focus toward building on open-source model foundations, the company’s early pretraining team explored a range of techniques to make large-scale transformer training faster and more...
For our latest Character’s Corner series, we spoke to Shelley (also known as MightShel), who is a creator based in Mexico who uses Character.ai for creative writing and to learn about...
As we announced on October 29th, we will begin removing open-ended chat for under-18 users next week. We know this is a significant change for these users, so we wanted to...
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 goal has always been to provide an engaging space that fosters creativity while maintaining a safe environment for everyone—especially teens.
Over the past year, we’ve invested tremendous...
