Tencent Releases Hy3: An Open 295B Mixture-of-Experts (MoE) Model with 21B Active Parameters and 256K Context

Summary

<p>Tencent's Hy team released Hy3, a 295B Mixture-of-Experts (MoE) model that activates only 21B parameters per token. It ships under Apache 2.0 with a 256K context window, targeting reasoning, agentic, and long-context tasks. Hy3 reports 78.0 on SWE-Bench Verified and lower hallucination rates, and is free to try on OpenRouter through July 21, 2026.</p> <p>The post <a href="https://www.marktechpost.com/2026/07/06/tencent-releases-hy3-open-295b-moe-model/">Tencent Releases Hy3: An Open 295B Mixture-of-Experts (MoE) Model with 21B Active Parameters and 256K Context</a> appeared first on <a href="https://www.marktechpost.com">MarkTechPost</a>.</p>