Skywork-R1V2
📖 R1V2 Report | 💻 GitHub | 🌐 ModelScope
1. Model Introduction
Skywork-R1V2-38B is a state-of-the-art open-source multimodal reasoning model, achieving top-tier performance across multiple benchmarks:
- On MMMU, it scores 73.6%, the highest among all open-source models to date.
- On OlympiadBench, it achieves 62.6%, leading by a large margin over other open models.
- R1V2 also performs strongly on MathVision, MMMU-Pro, and MathVista, rivaling proprietary commercial models.
- Overall, R1V2 stands out as a high-performing, open-source VLM combining powerful visual reasoning and text understanding.
🔧 Model Details
| Model Name | Vision Encoder | Language Model | Hugging Face Link |
|---|---|---|---|
| Skywork-R1V2-38B | InternViT-6B-448px-V2_5 | Qwen/QwQ-32B | 🤗 Link |
2. Evaluation
Comparison with Larger-Scale Open-Source Models Comparison with Proprietary Models| Model | Supports Vision | Text Reasoning (%) | Multimodal Reasoning (%) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AIME24 | LiveCodebench | liveBench | IFEVAL | BFCL | GPQA | MMMU(val) | MathVista(mini) | MathVision(mini) | OlympiadBench | mmmu‑pro | ||
| R1V2‑38B | ✅ | 78.9 | 63.6 | 73.2 | 82.9 | 66.3 | 61.6 | 73.6 | 74.0 | 49.0 | 62.6 | 52.0 |
| R1V1‑38B | ✅ | 72.0 | 57.2 | 54.6 | 72.5 | 53.5 | – | 68.0 | 67.0 | – | 40.4 | – |
| Deepseek‑R1‑671B | ❌ | 74.3 | 65.9 | 71.6 | 83.3 | 60.3 | 71.5 | – | – | – | – | – |
| GPT‑o1 | ❌ | 79.8 | 63.4 | 72.2 | – | – | – | – | – | – | – | – |
| GPT‑o4‑mini | ✅ | 93.4 | 74.6 | 78.1 | – | – | 49.9 | 81.6 | 84.3 | 58.0 | – | – |
| Claude 3.5 Sonnet | ✅ | – | – | – | – | – | 65.0 | 66.4 | 65.3 | – | – | – |
| Kimi k1.5 long-cot | ✅ | – | – | – | – | – | – | 70.0 | 74.9 | – | – | – |
| Qwen2.5‑VL‑72B‑Instruct | ✅ | – | – | – | – | – | – | 70.2 | 74.8 | – | – | – |
| InternVL2.5‑78B | ✅ | – | – | – | – | – | – | 70.1 | 72.3 | – | 33.2 | – |
3. Usage
1. Clone the Repository
git clone https://github.com/SkyworkAI/Skywork-R1V.git
cd skywork-r1v/inference
2. Set Up the Environment
# For Transformers
conda create -n r1-v python=3.10 && conda activate r1-v
bash setup.sh
# For vLLM
conda create -n r1v-vllm python=3.10 && conda activate r1v-vllm
pip install -U vllm
3. Run the Inference Script
transformers inference
CUDA_VISIBLE_DEVICES="0,1" python inference_with_transformers.py \
--model_path path \
--image_paths image1_path \
--question "your question"
vllm inference
python inference_with_vllm.py \
--model_path path \
--image_paths image1_path image2_path \
--question "your question" \
--tensor_parallel_size 4
4. Citation
If you use Skywork-R1V in your research, please cite:
@misc{chris2025skyworkr1v2multimodalhybrid,
title={Skywork R1V2: Multimodal Hybrid Reinforcement Learning for Reasoning},
author={Peiyu Wang and Yichen Wei and Yi Peng and Xiaokun Wang and Weijie Qiu and Wei Shen and Tianyidan Xie and Jiangbo Pei and Jianhao Zhang and Yunzhuo Hao and Xuchen Song and Yang Liu and Yahui Zhou},
year={2025},
eprint={2504.16656},
archivePrefix={arXiv},
primaryClass={cs.CV},
url={https://arxiv.org/abs/2504.16656},
}
@misc{peng2025skyworkr1vpioneeringmultimodal,
title={Skywork R1V: Pioneering Multimodal Reasoning with Chain-of-Thought},
author={Yi Peng and Peiyu Wang and Xiaokun Wang and Yichen Wei and Jiangbo Pei and Weijie Qiu and Ai Jian and Yunzhuo Hao and Jiachun Pan and Tianyidan Xie and Li Ge and Rongxian Zhuang and Xuchen Song and Yang Liu and Yahui Zhou},
year={2025},
eprint={2504.05599},
archivePrefix={arXiv},
primaryClass={cs.CV},
url={https://arxiv.org/abs/2504.05599},
}
This project is released under an open-source license.