Tencent Launches Hy4 Preview Model, Claims Internal Testing Surpasses Zhipu AI and Moonshot AI
Nashnova编辑部
Tencent released Hy4 Preview, a 770-billion-parameter foundation model it says narrowly beat Zhipu's GLM-5.3 and Moonshot AI's Kimi K3 in blind internal tests — staking its claim among China's top-tier AI contenders.
How big is this model, exactly?
Hy4 Preview packs 770 billion parameters and a 1-million-token context window, a major scale-up from its predecessor.
A context window — how much information a model can "hold in mind" at once — determines its capacity for long documents and extended conversations.
This means → Tencent has matched China's front-runners on raw model scale, shedding its reputation as a laggard.
It won internally — but what about third-party benchmarks?
Tencent says Hy4 Preview narrowly beat Zhipu's GLM-5.3 and Moonshot AI's Kimi K3 in its own blind evaluation.
On third-party benchmarks, however, results against rivals like Alibaba's Qwen 3.8 Max were mixed, not a clean sweep.
In plain terms = it aced its own exam but showed uneven scores on the national test — whether later versions close those gaps will be the real proof point.
Where is the money coming from — and going?
Tencent funds its AI research and chip procurement from WeChat and gaming cash flows.
In the quarter ending June, AI and compute capex surged 176% year-on-year to RMB 52.8 billion (roughly US$7.9 billion).
This means → Tencent is bankrolling AI with social-media and gaming profits — and the burn rate has nearly tripled.
How far has real-world deployment gone?
Tencent open-sourced the model weights, made them available via its cloud, and integrated Hy4 Preview into WorkBuddy and its chatbot products.
WorkBuddy is now China's most popular desktop office AI agent — a position prompting counter-moves from ByteDance and Alibaba in the enterprise AI market.
Tencent also demoed Hy4 Preview in game development, 3D web design, and financial-compliance workflows, aiming to show the model's practical value beyond benchmarks.
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