Tencent releases Hy3, a 295B open mixture-of-experts model
Tencent Releases Hy3: An Open 295B Mixture-of-Experts (MoE) Model with 21B Active Parameters and 256K Context
MarkTechPost
Summary
Tencent released Hy3, a 295-billion-parameter open-source mixture-of-experts model with 21 billion active parameters per token, under Apache 2.0 license. It supports a 256K context window and scores 78.0 on SWE-Bench Verified, available free on OpenRouter through July 21, 2026.