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--- |
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license: apple-amlr |
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library_name: ml-fastvlm |
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--- |
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# FastVLM: Efficient Vision Encoding for Vision Language Models |
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FastVLM was introduced in |
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**[FastVLM: Efficient Vision Encoding for Vision Language Models](https://www.arxiv.org/abs/2412.13303). (CVPR 2025)** |
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[//]: # () |
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<p align="center"> |
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<img src="acc_vs_latency_qwen-2.png" alt="Accuracy vs latency figure." width="400"/> |
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</p> |
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### Highlights |
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* We introduce FastViTHD, a novel hybrid vision encoder designed to output fewer tokens and significantly reduce encoding time for high-resolution images. |
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* Our smallest variant outperforms LLaVA-OneVision-0.5B with 85x faster Time-to-First-Token (TTFT) and 3.4x smaller vision encoder. |
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* Our larger variants using Qwen2-7B LLM outperform recent works like Cambrian-1-8B while using a single image encoder with a 7.9x faster TTFT. |
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### Evaluations |
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| Benchmark | FastVLM-0.5B | FastVLM-1.5B | FastVLM-7B | |
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|:--------------|:------------:|:------------:|:----------:| |
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| Ai2D | 68.0 | 77.4 | 83.6 | |
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| ScienceQA | 85.2 | 94.4 | 96.7 | |
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| MMMU | 33.9 | 37.8 | 45.4 | |
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| VQAv2 | 76.3 | 79.1 | 80.8 | |
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| ChartQA | 76.0 | 80.1 | 85.0 | |
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| TextVQA | 64.5 | 70.4 | 74.9 | |
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| InfoVQA | 46.4 | 59.7 | 75.8 | |
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| DocVQA | 82.5 | 88.3 | 93.2 | |
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| OCRBench | 63.9 | 70.2 | 73.1 | |
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| RealWorldQA | 56.1 | 61.2 | 67.2 | |
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| SeedBench-Img | 71.0 | 74.2 | 75.4 | |
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### Usage Example |
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The model has been exported to run with MLX. Follow the instructions in the official repository to use it in an iOS or macOS app. |
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## Citation |
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If you found this model useful, please cite the following paper: |
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``` |
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@InProceedings{fastvlm2025, |
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author = {Pavan Kumar Anasosalu Vasu, Fartash Faghri, Chun-Liang Li, Cem Koc, Nate True, Albert Antony, Gokul Santhanam, James Gabriel, Peter Grasch, Oncel Tuzel, Hadi Pouransari}, |
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title = {FastVLM: Efficient Vision Encoding for Vision Language Models}, |
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booktitle = {Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)}, |
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month = {June}, |
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year = {2025}, |
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} |
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``` |
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