danz671/vpr-spark

TEXT GENERATIONPricing:Input $0.04 / Cached $0.008 / Output $0.08Concurrent Unit Cost:1Model Size:1.5BQuant:BF16Context Size:32kTool Calling:SupportedPublished:Aug 8, 2026License:apache-2.0Architecture:Transformer Open Weights Featherless Exclusive Cold

danz671/vpr-spark is an instruction-tuned 1.54 billion parameter Qwen2.5 causal language model developed by Qwen. It features a 32,768 token context length and is significantly improved in coding, mathematics, instruction following, and generating structured outputs like JSON. This model excels at generating long texts and understanding structured data, with multilingual support for over 29 languages.

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Overview

danz671/vpr-spark is an instruction-tuned variant of the Qwen2.5 series, a family of large language models developed by Qwen. This specific model has 1.54 billion parameters and supports a context length of 32,768 tokens, with generation capabilities up to 8,192 tokens. It builds upon the Qwen2 architecture, incorporating improvements in various domains.

Key Capabilities

  • Enhanced Knowledge & Reasoning: Significantly improved capabilities in coding and mathematics, leveraging specialized expert models.
  • Instruction Following: Demonstrates substantial advancements in adhering to instructions and generating structured outputs, particularly JSON.
  • Long Text Generation: Capable of generating extended texts exceeding 8,000 tokens.
  • Structured Data Understanding: Improved ability to comprehend and process structured data, such as tables.
  • Multilingual Support: Offers robust support for over 29 languages, including major global languages like Chinese, English, French, Spanish, and more.
  • System Prompt Resilience: More adaptable to diverse system prompts, enhancing role-play and chatbot condition-setting.

Good For

  • Applications requiring strong coding and mathematical reasoning in a compact model.
  • Tasks demanding precise instruction following and structured output generation.
  • Use cases involving long-form content generation or summarization.
  • Developing multilingual chatbots and applications that need to understand structured data.