Tencent's Hy3 Model Challenges GLM-5.2 With Impressive Performance

WHO:

Techmeme - Tencent, a Chinese technology company, released the Hy3 model.

VentureBeat - Shunyu Yao, Chief AI Scientist at Tencent, discussed the model's development.

WHAT:

Techmeme - Tencent released the Hy3 model, which has 295 billion parameters and is competitive with GLM-5.1 and GLM-5.2.

VentureBeat - The Hy3 model is a Mixture-of-Experts (MoE) model with 21 billion active parameters.

VentureBeat - Hy3 was shipped under the Apache 2.0 license, allowing broader access.

VentureBeat - Hy3 scored 2.67 out of 4 in a blind test against GLM-5.1, which scored 2.51.

VentureBeat - Hy3's hallucination rate dropped from 12.5% to 5.4% compared to its preview version.

VentureBeat - Commonsense error rates for Hy3 fell from 25.4% to 12.7%.

VentureBeat - The model's score on the open MRCR long-dialogue benchmark increased from 42.9% to 75.1%.

WHERE:

VentureBeat - The Hy3 model is designed to comply with U.S. export restrictions on China, targeting Nvidia’s H20-3e for deployment.

WHEN:

Techmeme - The preview launch of Hy3 occurred in April.

VentureBeat - The full version of Hy3 was released ten weeks after the preview.

WHY:

VentureBeat - Tencent aimed to gather feedback from developers and users before the official version release.

VentureBeat - The release under the Apache 2.0 license was intended to remove legal barriers for enterprises in the European Union, the United Kingdom, and South Korea.

HOW:

VentureBeat - Hy3 was developed through feedback from over 50 internal product teams after the preview.

VentureBeat - The model employs a top-8 routing mechanism across 192 experts for its active parameters.

(UPDATED July 6, 2026 17:54 UTC)

Tencent has officially released the Hy3 model, a powerful Mixture-of-Experts system boasting 295 billion parameters, making it competitive with GLM-5.1 and GLM-5.2. Chief AI Scientist Shunyu Yao highlighted that the model was developed with input from over 50 internal product teams and features significant improvements, including a drop in hallucination rates from 12.5% to 5.4% compared to its preview version. The Hy3 model, which is designed to comply with U.S. export restrictions on China, is now available under the Apache 2.0 license, facilitating broader access for enterprises in the European Union, the United Kingdom, and South Korea.