Tencent today announced the release of Tencent Hy4, its latest-generation large language model, marking a significant leap in performance and capabilities that now ranks it among the world's leading open-source AI models. The new model introduces visual understanding capabilities for the first time, alongside major improvements in instruction following, long-context comprehension and long-horizon agentic tasks. Through advanced visual understanding, reasoning, and tool-calling capabilities, Hy4 now supports a broader range of tasks, including fine-grained image processing, complex chart analysis, and mathematical visual reasoning.
Additionally, Hy4 introduces computer-use capabilities for the first time, enabling it to interact with both command-line interfaces and graphical user interfaces to perform a wide range of work and everyday tasks. The model has undergone specialized training on professional software such as Blender and CAD, significantly enhancing its ability to plan and execute long-horizon and sophisticated tasks. Leveraging significant advances in its foundational capabilities and deep model-product co-design, Hy4 unlocks a broader range of real-world productivity scenarios.
Office Productivity & Collaboration: Hy4 has significantly enhanced the user experience on Tencent Work Buddy. Evaluation benchmarks on Work Buddy show an average performance score of 83.18 and a pass rate of 96.15 percent, with Hy4 ranking first place in nine out of twelve scenarios within the mainland Chinese market. Furthermore, it delivers marked improvements in document presentation, stability, and usability for human-AI collaborative tasks on Work Buddy.
Integrated with We Com via Work Buddy, Hy4 connects with daily workflow data across chats, emails, documents, calendars, and meetings. In addition, new team collaboration capabilities powered by Hy4 will be introduced with the upcoming release of Work Buddy's "Projects" feature. Hy4 has also been optimized for professional financial analysis.
In a rigorous blind evaluation conducted by the Tencent Hy team in partnership with Tencent Financial Technology, Hy4 emerged as the top-performing open-source model. The assessment involved 213 financial professionals, including 153 experts from leading external institutions, approximately 70 percent of whom possessed more than five years of industry experience. Based on performance across 579 real-world financial tasks, Hy4 achieved the highest overall performance score.
Evaluation scores: Hy4 (3.04), Deep Seek-V4.1-Flash-1017 (2.97), Kimi K3.1 Pro (2.68), and GLM-5.3 (2.68).
Source: Hacker News · Summarized by HeadlinesBriefing