NSFW AI Companions Unfiltered: Janitor AI, Character.AI, and the Chatbot Revolution
Janitor AI was founded by Australian developer Jan Zoltkowski and launched in June 2023, attracting over 1 million users in its first week and roughly 3 million registered users by September 2023. In July 2023 OpenAI issued a cease-and-desist over Janitor AI’s sexual content, prompting a pivot to its own JanitorLLM and a homegrown model release in Beta by late 2023. Janitor AI initially ran on OpenAI GPT-3.5/4 via API, but later developed JanitorLLM, reportedly using an RNN-based approach with hundreds of GPUs to serve millions of queries. By early 2025 the team teased a lore-driven character creation system to