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QwenQKing/
Prompt-R1

Name: Prompt-R1
Rating: 2.5 (102 reviews)

transformers

text-generation

reinforcement-learning

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Prompt-R1: Enhancing LLM interaction on behalf of humans

Prompt-R1: Collaborative Automatic Prompting Framework via End-to-end Reinforcement Learning

📄 Paper | 🚀 Quick Start | 💬 Contact

Overview

Prompt-R1 has addressed a critical challenge in interacting with large language models (LLMs)—the inability of users to provide accurate and effective interaction prompts for complex tasks. Prompt-R1 is an end-to-end reinforcement learning (RL) framework that enhances the performance of LLMs by facilitating collaborative automatic prompting between a small-scale LLM and a large-scale LLM. Prompt-R1, through multi-turn prompt interaction, significantly improves the generation quality and reasoning accuracy of large-scale LLMs, enabling better task-solving performance without requiring user expertise in prompt formulation.

By integrating collaborative prompting and reinforcement learning, Prompt-R1 offers a plug-and-play framework that supports both inference and training with various large-scale LLMs as the environment.

Experimental Results

Results of Different Large language models:

Prompt-R1 Implementation

Install Environment

bash

conda create -n promptr1 python==3.12 -y
conda activate promptr1
cd verl
pip3 install -e .
pip3 install vllm==0.8.3
pip3 install flash-attn==2.7.4.post1  # Download: https://github.com/Dao-AILab/flash-attention/releases
pip3 install FlagEmbedding faiss-cpu
pip3 install debugpy==1.8.0 "ray[default]" debugpy

Dataset Preparation

Our datasets are in:

bash

Training Dataset: dataset\train_data
Evaluation Dataset: dataset\eval_data

Quick Start: Prompt-R1

1. To use closed source LLM, modify promptr1_agent\tool\tools\LLM-toolpy:

bash

API_KEY = "your_api_key"
MODEL = "model_name"
BASE_URL = "url"

Run:

nohup bash run_prompt-R1.sh > Prompt-R1_training.out &

2. Deploy an Open-Source Model Locally

1. Install vLLM and dependencies

bash

# Create environment
conda create -n vllmapi python=3.12 -y
conda activate vllmapi
# Install dependencies
pip3 install transformers accelerate huggingface_hub
pip3 install vllm

2. Start the OpenAI-compatible server:

nohup bash vllm_api.sh > api.out 2>&1 &

3. To use closed source LLM, modify promptr1_agent\tool\tools\LLM-toolpy to call your local API:

Edit agent_r1/tool/tools/search_tool.py and set the local API endpoint and model name

base_url = "http://<SERVER_IP>:8006/v1"

Evaluation

1.Edit model_merge.sh and set the paths:

bash

export CHECKPOINT_DIR='checkpoints/Prompt-R1/Prompt-R1-qwen3-4b-gpt-4o-mini/global_step_320/actor'
export HF_MODEL_PATH='./Qwen/Qwen3-4B'
export TARGET_DIR='./merge_model/Prompt-R1_Qwen3-4B'

2.Edit vllm_serve.sh:

export MODEL_NAME='./merge_model/Prompt-R1_Qwen3-4B'

3.Inference

python inference.py

4.Batch inference & Evaluation

bash

python batch_inference.py
python eval_scores.py

BibTex

If you find this work is helpful for your research, please cite:

bibtex

@misc{liu2025promptr1collaborativeautomaticprompting,
      title={Prompt-R1: Collaborative Automatic Prompting Framework via End-to-end Reinforcement Learning}, 
      author={Wenjin Liu and Haoran Luo and Xueyuan Lin and Haoming Liu and Tiesunlong Shen and Jiapu Wang and Rui Mao and Erik Cambria},
      year={2025},
      eprint={2511.01016},
      archivePrefix={arXiv},
      primaryClass={cs.CL},
      url={https://arxiv.org/abs/2511.01016}, 
}

For further questions, please contact: wenjinliu23@outlook.com.

Acknowledgement

This repo benefits from Agent-R1, R1-Searcher, Graph-R1, and Search-R1. Thanks for their wonderful works.