rsoohyun/SpatialBlock-3B-reason

VISIONPricing:Input $0.32 / Cached $0.016 / Output $1.6Concurrent Unit Cost:1Model Size:3BQuant:BF16Context Size:32kPublished:Sep 3, 2026License:apache-2.0Architecture:Transformer Open Weights Featherless Exclusive Cold

SpatialBlock-3B-reason is a 3 billion parameter vision-language model developed by rsoohyun, fine-tuned from Qwen2.5-VL-3B-Instruct. It specializes in spatial reasoning tasks, including 3D-to-2D projection, viewpoint transformation, and structural combination, by directly predicting answers. The model was trained on the synthetic SpatialBlock-15k dataset and supports a context length of 32768 tokens, making it suitable for complex visual-spatial problem-solving.

Loading preview...

SpatialBlock-3B-reason Overview

SpatialBlock-3B-reason is a 3 billion parameter vision-language model (VL-LLM) developed by rsoohyun, specifically designed to enhance spatial intelligence. It is a fine-tuned version of the Qwen2.5-VL-3B-Instruct model, leveraging the synthetic SpatialBlock-15k dataset for specialized training. This model excels at directly predicting answers for various spatial reasoning challenges, differentiating it from general-purpose VL-LLMs.

Key Capabilities

  • Advanced Spatial Reasoning: Directly addresses complex spatial problems.
  • 3D-to-2D Projection: Capable of understanding and transforming 3D structures into 2D representations.
  • Viewpoint Transformation: Can interpret and predict how objects appear from different perspectives.
  • Structural Combination: Handles tasks involving the assembly or analysis of combined structures.
  • High Context Length: Supports a 32768-token context, allowing for detailed visual and textual inputs.

Good For

  • Research in Spatial AI: Ideal for studies focusing on visual-spatial intelligence in AI.
  • Robotics and Navigation: Potential applications in understanding and manipulating objects in 3D space.
  • Computer Vision Tasks: Enhancing systems that require deep spatial comprehension beyond simple object recognition.
  • Synthetic Data Training: Demonstrates effective fine-tuning on specialized synthetic datasets for targeted capabilities.

For more detailed information on training and evaluation, refer to the GitHub repository.