BotPsy: On-Device Personal Assistant with a Sub-Billion-Parameter Agentic Language Model
AI-generated summary Tether AI Research introduces BotPsy as a 0.8B-parameter personal assistant model designed for on-device agentic workflows and function calling. Tether AI Research says BotPsy is built on Qwen3.5-0.8B and achieves tool-use performance for its size while keeping user data private.