Qwen

Qwen AI is a comprehensive suite of open-source large language models (LLMs) and multimodal AI systems developed by Alibaba Cloud. Since its inception in 2023, Qwen has expanded to encompass a diverse range of models specializing in text generation, coding, vision, audio, speech, image generation, and real-time multimodal interaction. The latest flagship model, Qwen 3.5, released in February 2026, is a 397-billion parameter Mixture-of-Experts model with 17 billion active parameters. It supports a native context window of 262,000 tokens, extensible up to 1 million tokens, and offers native support for 201 languages. Qwen 3.5 competes directly with other leading models like GPT-5.2, Claude Opus 4.5, and Gemini 3 Pro across various tasks, including reasoning, coding, and multimodal applications, all while being open-weight under the Apache 2.0 license. The Qwen ecosystem includes over 100 models available on platforms like Hugging Face, with more than 40 million downloads, reflecting its widespread adoption and versatility. These models can be deployed locally using tools such as Ollama, llama.cpp, or LM Studio, accessed via Alibaba Cloud's DashScope API, or utilized through Qwen Chat for free. Backed by Alibaba Cloud's robust infrastructure, Qwen serves over 290,000 enterprise customers worldwide, demonstrating its reliability and scalability in diverse applications.