Tencent has released Hy3, a 21 billion active parameter open Mixture-of-Experts model that outperformed Zhipu's GLM-5.1 in a blind test. The model, which has 295 billion total parameters and a 256K context window, is available under the Apache 2.0 license. Hy3 is accessible via OpenRouter and Tencent Cloud, with a promotional period offering free inference until July 21, 2026. AI
IMPACT Sets a new benchmark for open-source MoE models, potentially influencing routing decisions and competition in the LLM landscape.
RANK_REASON Frontier-lab model release with system card. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
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