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Alibaba CloudApril 29, 2025

Qwen3.5

Open Source
AI Agents
Agentic AI
LLMs
ML

Explore Qwen3.5

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### TL;DR

Qwen3.5 is the latest series in the Qwen family of large language models developed by Alibaba Cloud's Qwen team. It offers advanced capabilities in natural language understanding and generation, building upon previous iterations to provide enhanced performance and versatility.

Key Insights & Metrics

Pricing
As an open-source model, Qwen3.5 is available for free, allowing users to download and deploy it without licensing fees.
Cost structure
Version
3.5
Current release version
Hardware
Depending on the model size, hardware requirements vary. For instance, larger models like Qwen3-235B-A22B may require high-end GPUs such as NVIDIA A100 or V100, along with substantial RAM and storage. Specific requirements are detailed in the model's documentation.
Compute requirements
Category
Open Source
Licensing model
Region
China
Primary region

Key Features

  • Dense and Mixture-of-Experts (MoE) models of various sizes, including 0.6B, 1.7B, 4B, 8B, 14B, 32B, and 30B-A3B, 235B-A22B.
  • Seamless switching between thinking mode (for complex logical reasoning, math, and coding) and non-thinking mode (for efficient, general-purpose chat).
  • Significant enhancements in reasoning capabilities, surpassing previous models in mathematics, code generation, and commonsense logical reasoning.
  • Superior human preference alignment, excelling in creative writing, role-playing, multi-turn dialogues, and instruction following.
  • Expertise in agent capabilities, enabling precise integration with external tools in both thinking and non-thinking modes.

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