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

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. The post Tencent Releases Hy3: An Open 295B Mixture-of-Experts (MoE) Model with 21B Active Parameters and 256K Context appeared first on MarkTechPost.