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🪄 Agent Lumos: Unified and Modular Training for Open-Source Language Agents

🖋 Authors: Da Yin, Faeze Brahman, Abhilasha Ravichander, Khyathi Chandu, Kai-Wei Chang, Yejin Choi, Bill Yuchen Lin

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:

  • 🧩 Modular Architecture:
    • 🧩 Lumos consists of planning, grounding, and execution modules built based on LLAMA-2-7B/13B and off-the-shelf APIs.
    • 🤗 Lumos utilizes a unified data format that encompasses multiple task types, thereby enabling the developed agent framework to conveniently support a range of interactive tasks.
  • 🌍 Diverse Training Data:
    • 🌍 Lumos is trained with ~56K diverse high-quality subgoal/action annotations from ground-truth reasoning steps in existing benchmarks with GPT-4.
    • ⚒️ Lumos data can be instrumental for future research in developing open-source agents for complex interactive tasks.
  • 🚀 Competitive Performance:
    • 🚀 Lumos is comparable or even beats GPT-series agents on web/complex QA tasks Mind2Web and HotpotQA, and larger open agents on math and multimodal tasks.
    • 🚀 Lumos exceeds contemporaneous agents that have been fine-tuned with in-domain HotpotQA, Mind2Web and ScienceQA annotations, such as FiReAct, AgentLM, and AutoAct.
    • 🚀 Lumos performs better than open agent baseline formulations including chain-of-thoughts and integrated training.
    • 🚀 Lumos surpasses larger open LLM agents and domain-specific agents on unseen tasks, WebShop and InterCode_SQL.

🤩 Citation

If you find this work is relevant with your research, please feel free to cite our work!

@article{yin2023lumos,
  title={{Agent Lumos: Unified and Modular Training for Open-Source Language Agents}},
  author={Yin, Da and Brahman, Faeze and Ravichander, Abhilasha and Chandu, Khyathi and Chang, Kai-Wei and Choi, Yejin and Lin, Bill Yuchen},
  journal={arXiv preprint arXiv:2311.05657},
  year={2023}
}

🔥 News

  • [2024, Mar 18] We release the latest Lumos version:
    • 📑 Lumos paper that covers new multimodal tasks and 13B-scale model experiments
    • 🤗 Lumos demo that illustrates Lumos planning and grounding processes
  • [2023, Nov 8] We release the important items for training and evaluating Lumos:
    • 💻 Lumos code for annotation generation, training and evaluation
    • 🤗 Lumos checkpoints with 7B model size
    • 🤗 Lumos training annotations and their raw data

🧩 Architecture

🛠️ Setup

./setup.sh

Please make sure that the cudatoolkit version in setup.sh aligns with your local cuda version.

Training

📈 Training Data Download

We collect all the training annotations, raw data and prompt converted annotations in a single Google Drive folder. It can be downloaded by

cd data
python -c "import gdown; gdown.download_folder('https://drive.google.com/drive/folders/1ASFhOkhezgewVxR01dQg-8KUVR8IdBlY?usp=sharing', quiet=True)"

We also provide generated annotations for planning and grounding modules in 🤗 Huggingface Datasets.

Dataset Names 🤗 Huggingface Links
lumos_complex_qa_iterative Planning, Grounding
lumos_complex_qa_onetime Planning, Grounding
lumos_web_agent_iterative Planning, Grounding
lumos_multimodal_iterative Planning, Grounding
lumos_maths_iterative Planning, Grounding
lumos_maths_onetime Planning, Grounding
lumos_unified_iterative Planning, Grounding

🧑‍🎓️ Train Modules with Generated Annotation

./train.sh [MODULE] [FORMULATION]

[MODULE] can be either plan or ground. [FORMULATION] can be either iterative or onetime.

You can adjust the fine-tuning hyperparameters and specific task you want to fine-tune in the training scripts such as finetune_llama2_plan_iterative.sh in scripts/train.

We also provide the fine-tuned planning and grounding module checkpoints in 🤗 Huggingface.

Model Names 🤗 Huggingface Links
lumos_complex_qa_iterative Planning, Grounding
lumos_complex_qa_iterative-13B Planning, Grounding
lumos_complex_qa_onetime Planning, Grounding
lumos_web_agent_iterative Planning, Grounding
lumos_web_agent_iterative-13B Planning, Grounding
lumos_maths_iterative Planning, Grounding
lumos_maths_onetime Planning, Grounding
lumos_maths_onetime-13B Planning, Grounding
lumos_unified_iterative Planning, Grounding
lumos_unified_iterative-13B Planning, Grounding

✅ Evaluation

Evaluation scripts for different datasets are under scripts/eval. For example, you can evaluate Lumos on HotpotQA by running:

./scripts/eval/hotpotqa.sh

Others

📈 Data Annotation Generation

We provide the code for generating training annotations based on raw existing benchmarks from scratch.

Before generating annotations, we first need to download the existing benchmarks providing ground-truth intermediate reasoning steps. The raw data are can be downloaded via this Google Drive folder.

python -m data.prompt_convertion \
  --domain DOMAIN \
  --data_fn DATA_FN \
  --convert_all

domain covers maths, complex QA, web agent, multimodal. data_fn is the path where raw benchmarks are stored.

For multimodal task annotation generation, please download COCO 2017 train images in data/train/multimodal/raw_data and unzip it.

❤️ Acknowledgement

We greatly thank Tulu team for providing awesome code to finetune LLAMA-2. We also sincerely appreciate the contributors of zeno-build, Mind2Web, and WebShop for providing fast GPT prompting, HTML preprocessing and evaluation docker environment.