jcwang0602/VPTracker

VISIONPricing:Input $0.32 / Cached $0.064 / Output $1.6Concurrent Unit Cost:1Model Size:2.3BQuant:BF16Context Size:32kTool Calling:SupportedPublished:Dec 30, 2025License:apache-2.0Architecture:Transformer0.0K Open Weights Featherless Exclusive Cold

VPTracker by jcwang0602 is a 2.3 billion parameter full-parameter fine-tune based on the Qwen3.5-2B architecture, designed for global vision-language tracking. This model integrates location-aware visual prompts to enhance its ability to track objects across visual inputs. It is specifically optimized for tasks requiring the understanding and tracking of visual elements within a language context, leveraging its 32768 token context length.

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VPTracker: Vision-Language Tracking Model

VPTracker is a 2.3 billion parameter model developed by jcwang0602, built upon the Qwen3.5-2B base architecture. It represents a full-parameter fine-tune specifically engineered for global vision-language tracking tasks. A key differentiator of VPTracker is its utilization of location-aware visual prompts, which significantly enhance its capability to understand and track visual information in conjunction with linguistic inputs.

Key Capabilities

  • Global Vision-Language Tracking: Designed to track visual elements across various inputs by integrating visual and linguistic information.
  • Location-Aware Visual Prompts: Employs a novel approach using visual prompts that incorporate spatial awareness to improve tracking accuracy.
  • Qwen3.5-2B Base: Leverages the robust foundation of the Qwen3.5-2B model for strong language understanding.
  • Full-Parameter Fine-Tune: Indicates comprehensive training across all model parameters for specialized performance.

Good For

  • Applications requiring precise object tracking within complex visual scenes.
  • Research and development in multimodal AI, particularly vision-language understanding.
  • Tasks benefiting from the integration of spatial information into visual prompts.

Further details on dataset preparation, visual-prompt rendering, evaluation, and reward plugins are available in the VPTracker code repository.