In the last few years, the domain of AI-driven character interaction (RP) has seen a dramatic transformation. What began as niche experiments with early language models has developed into a thriving community of tools, services, and communities. This overview investigates the existing environment of AI RP, from widely-used tools https://franciscobkpva.onesmablog.com/the-advancement-of-ai-enabled-character-simulation-from-fimbulvetr-to-next-gen-language-models-68389858