On August 7, Alibaba Cloud Tongyi Qianwen unveiled two groundbreaking small-sized models: Qwen3-4B-Instruct-2507 and Qwen3-4B-Thinking-2507. According to Tongyi Qianwen's official announcement, Qwen3-4B-Instruct-2507 has demonstrated superior performance in non-reasoning tasks, comprehensively outperforming the closed-source GPT4.1-Nano model. In the realm of reasoning, Qwen3-4B-Thinking-2507 has achieved performance on par with the medium-sized Qwen3-30B-A3B model. Both models are now openly available on the ModelScope community and HuggingFace platform, inviting developers to explore and leverage their capabilities for various applications and research.