Tencent Releases Smaller Open Model Hy3, Matches Larger Rivals in Scientific Tasks
Tencent released Hy3, an open-source AI model with 295 billion total parameters and 21 billion active parameters, on July 6. The model matches or outperforms larger models like GLM-5.2 and DeepSeek-V4-Pro in benchmarks, and beats GPT-5.5 in scientific research tasks. Hy3 is designed to reduce hallucinations by only answering when evidence exists. It is available under Apache 2.0, with API pricing from 1 yuan per million input tokens, and free on OpenRouter for two weeks.