russwang/ThinkLite-VL-7B

VISIONPricing:Input $0.4 / Output $0.8Concurrent Unit Cost:1Model Size:7BQuant:FP8Context Size:32kPublished:Apr 10, 2025License:mitArchitecture:Transformer0.0K Open Weights Featherless Exclusive Cold

The russwang/ThinkLite-VL-7B is a 7 billion parameter vision-language model based on the Qwen2.5-VL architecture, developed by russwang. This model is designed for visual reasoning tasks, incorporating an instruction-following prompt structure that encourages internal monologue and structured final answers. It is particularly suited for applications requiring detailed visual analysis and structured output generation.

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ThinkLite-VL-7B Overview

ThinkLite-VL-7B is a 7 billion parameter vision-language model developed by russwang, built upon the Qwen2.5-VL architecture. It is specifically designed to enhance visual reasoning capabilities through a unique instruction-following mechanism.

Key Capabilities

  • Structured Reasoning: The model is prompted to first generate an internal monologue (enclosed in <think> </think> tags) detailing its reasoning process before providing a final answer (enclosed in \boxed{}). This encourages more deliberate and transparent problem-solving.
  • Vision-Language Integration: It processes both image and text inputs, making it suitable for tasks that require understanding and generating responses based on visual content.
  • Instruction Following: The model is fine-tuned to adhere to specific prompt formats, ensuring structured and predictable output, which is beneficial for downstream applications.

Good For

  • Visual Question Answering (VQA): Excels in scenarios where detailed reasoning steps are required to answer questions about images.
  • Complex Visual Analysis: Ideal for tasks demanding more than simple image descriptions, such as identifying relationships between objects or inferring actions.
  • Applications Requiring Explainability: The explicit reasoning process makes it valuable for use cases where understanding how the model arrived at an answer is important.

This model's approach to visual reasoning, emphasizing a structured thought process, is detailed in the paper "SoTA with Less: MCTS-Guided Sample Selection for Data-Efficient Visual Reasoning Self-Improvement" by Wang et al. (2025).