Tencent launches Hy4, an open model with vision and computer use
Tencent unveils Hy4, a language model with vision and computer use for the first time, with weights due to be released shortly.
By GennnAi··1 min read
Hy4 improves instruction following, long context and agentic tasks. On WorkBuddy it scores 83.18 on average with a 96.15% pass rate. Tencent says hallucinations fell from 12.95% to 7.2% versus Hy4 Preview. In a blind test of 579 financial tasks, it scored above DeepSeek-V4.1-Flash-1017, Kimi K3.1 Pro and GLM-5.3. Compared with Hy4 Preview, game development benchmarks rose 19.1% and game logic 9.8%. Weights and system cards are expected within days.
Source: Tencent, published on November 4, 2026.