1Allen Institute for AI 2University of California, Los Angeles 3University of Washington We introduce 🪄 Lumos, Language Agents with Unified Data Formats, Modular Design, and Open-Source LLMs. Lumos unifies a suite of complex interactive tasks and achieves competitive performance with GPT-4/3.5-based and larger open-source agents. Lumos has following features: 🧩 A General Agent Modular Framework 🧩 Lumos consists of planning, grounding, and execution modules built based on LLAMA-2-7B and off-th...