junchao-cuhk/qwen3-llava

TEXT GENERATIONConcurrency Cost:1Model Size:4BQuant:BF16Ctx Length:32kPublished:Apr 25, 2026License:apache-2.0Architecture:Transformer Open Weights Cold

Qwen3-4B is a 4 billion parameter causal language model from the Qwen series, developed by Qwen. It uniquely supports seamless switching between a 'thinking mode' for complex reasoning, math, and coding, and a 'non-thinking mode' for general dialogue, ensuring optimal performance across diverse scenarios. This model offers enhanced reasoning, instruction-following, and agent capabilities, alongside multilingual support for over 100 languages, with a native context length of 32,768 tokens, extendable to 131,072 tokens with YaRN.

Loading preview...

Overview

Qwen3-4B is a 4 billion parameter causal language model from the Qwen series, designed for advanced reasoning, instruction-following, and agent capabilities. It introduces a novel feature allowing seamless switching between a 'thinking mode' for complex tasks like mathematics, code generation, and logical reasoning, and a 'non-thinking mode' for efficient, general-purpose dialogue. This dual-mode functionality aims to optimize performance across various use cases.

Key Capabilities

  • Adaptive Reasoning: Dynamically switches between a dedicated 'thinking mode' for complex problem-solving and a 'non-thinking mode' for general conversations, enhancing efficiency and accuracy.
  • Enhanced Reasoning: Demonstrates significant improvements in mathematical problem-solving, code generation, and commonsense logical reasoning compared to previous Qwen models.
  • Superior Alignment: Excels in creative writing, role-playing, multi-turn dialogues, and instruction following, providing a more natural and engaging user experience.
  • Agentic Expertise: Offers strong tool-calling capabilities, achieving leading performance among open-source models in complex agent-based tasks, especially when integrated with Qwen-Agent.
  • Multilingual Support: Supports over 100 languages and dialects with robust multilingual instruction following and translation abilities.
  • Extended Context: Natively handles context lengths up to 32,768 tokens, with support for up to 131,072 tokens using the YaRN method for processing long texts.

When to Use This Model

  • Complex Problem Solving: Ideal for applications requiring advanced logical reasoning, mathematical computations, or code generation, leveraging its 'thinking mode'.
  • General Conversational AI: Suitable for chatbots and dialogue systems where efficient, general-purpose responses are needed, utilizing its 'non-thinking mode'.
  • Agent-based Applications: Excellent for scenarios requiring precise integration with external tools and complex agent workflows.
  • Multilingual Applications: A strong candidate for applications needing robust performance across a wide array of languages and dialects.
  • Long Document Processing: Beneficial for tasks involving extensive text analysis or generation due to its extended context window capabilities.