xuanguan5525/Qwen2.5-1.5B-Instruct

TEXT GENERATIONPricing:Input $0.04 / Cached $0.008 / Output $0.08Concurrent Unit Cost:1Model Size:1.5BQuant:BF16Context Size:32kTool Calling:SupportedPublished:Aug 14, 2026License:apache-2.0Architecture:Transformer Open Weights Featherless Exclusive Cold

The xuanguan5525/Qwen2.5-1.5B-Instruct is a 1.54 billion parameter instruction-tuned causal language model from the Qwen2.5 series, developed by Qwen. It features a 32,768 token context length and is significantly improved in knowledge, coding, and mathematics, leveraging specialized expert models. This model excels at instruction following, generating long texts, understanding structured data like JSON, and offers robust multilingual support for over 29 languages.

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Qwen2.5-1.5B-Instruct Overview

This model is the instruction-tuned 1.54 billion parameter variant from the Qwen2.5 series, building upon the Qwen2 architecture. It incorporates significant enhancements across several key areas, making it a versatile and powerful language model for various applications.

Key Capabilities

  • Enhanced Knowledge & Reasoning: Demonstrates greatly improved capabilities in general knowledge, coding, and mathematics, benefiting from specialized expert models.
  • Instruction Following: Shows significant improvements in adhering to instructions and generating structured outputs, particularly JSON.
  • Long Context & Generation: Supports a full context length of 32,768 tokens and can generate texts up to 8,192 tokens, making it suitable for complex, extended tasks.
  • Multilingual Support: Offers robust support for over 29 languages, including major global languages like Chinese, English, French, Spanish, German, and Japanese.
  • Structured Data Understanding: Excels at understanding and processing structured data, such as tables.
  • System Prompt Resilience: More resilient to diverse system prompts, enhancing its performance in role-play scenarios and chatbot condition-setting.

Good For

  • Applications requiring strong instruction following and structured output generation.
  • Tasks involving coding and mathematical reasoning.
  • Multilingual conversational agents and content generation.
  • Processing and generating long-form text and understanding complex structured data.