Hy3 from Tencent - The NEW GLM Competitor
Sam Witteveen
Jul 7, 2026
Tencent has released its 295-billion parameter Hy3 model, signaling a strategic shift toward the open-source ecosystem. While it trails top-tier models in pure coding tasks, its efficiency and strong performance in agentic reasoning and tool-calling make it a viable, locally-hostable option for enterprise-grade applications.
Key insight: Tencent successfully halved both hallucination and common sense error rates in the final version of Hy3 compared to its preview, primarily through rigorous post-training and data refinement rather than just scaling.
