apple / FastVLM-1.5B-int8

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Model's Last Updated: September 03 2025

Introduction of FastVLM-1.5B-int8

Model Details of FastVLM-1.5B-int8

FastVLM: Efficient Vision Encoding for Vision Language Models

FastVLM was introduced in FastVLM: Efficient Vision Encoding for Vision Language Models . (CVPR 2025)

Accuracy vs latency figure.

Highlights
  • We introduce FastViTHD, a novel hybrid vision encoder designed to output fewer tokens and significantly reduce encoding time for high-resolution images.
  • Our smallest variant outperforms LLaVA-OneVision-0.5B with 85x faster Time-to-First-Token (TTFT) and 3.4x smaller vision encoder.
  • 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.
Evaluations
Benchmark FastVLM-0.5B FastVLM-1.5B FastVLM-7B
Ai2D 68.0 77.4 83.6
ScienceQA 85.2 94.4 96.7
MMMU 33.9 37.8 45.4
VQAv2 76.3 79.1 80.8
ChartQA 76.0 80.1 85.0
TextVQA 64.5 70.4 74.9
InfoVQA 46.4 59.7 75.8
DocVQA 82.5 88.3 93.2
OCRBench 63.9 70.2 73.1
RealWorldQA 56.1 61.2 67.2
SeedBench-Img 71.0 74.2 75.4
Usage Example

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.

Citation

If you found this model useful, please cite the following paper:

@InProceedings{fastvlm2025,
  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},
  title = {FastVLM: Efficient Vision Encoding for Vision Language Models},
  booktitle = {Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)},
  month = {June},
  year = {2025},
}

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138
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More Information About FastVLM-1.5B-int8 huggingface.co Model

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FastVLM-1.5B-int8 huggingface.co

FastVLM-1.5B-int8 huggingface.co is an AI model on huggingface.co that provides FastVLM-1.5B-int8's model effect (), which can be used instantly with this apple FastVLM-1.5B-int8 model. huggingface.co supports a free trial of the FastVLM-1.5B-int8 model, and also provides paid use of the FastVLM-1.5B-int8. Support call FastVLM-1.5B-int8 model through api, including Node.js, Python, http.

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FastVLM-1.5B-int8 install

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