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Tencent·Jul 6, 2026·v3·open source
Hy3
Hy3 is a powerful 295B-parameter Mixture-of-Experts (MoE) large language model developed by Tencent. It features 21B active parameters per token, a 256K context window, and is designed to deliver high-performance reasoning, agentic workflows, and long-context processing at lower compute costs.
Large Language ModelMixture-of-ExpertsAgentic AIOpen Source
overview
Hy3 is a powerful 295B-parameter Mixture-of-Experts (MoE) large language model developed by Tencent. It features 21B active parameters per token, a 256K context window, and is designed to deliver high-performance reasoning, agentic workflows, and long-context processing at lower compute costs.
key features
- 01295B total parameters with 21B active parameters per token
- 02256K context window for long-form document comprehension
- 03Advanced agentic capabilities with support for tool-call orchestration
- 04Multi-Token Prediction (MTP) layer for accelerated decoding
- 05Open-source release under the Apache 2.0 license
- 06Optimized for reasoning, coding, and multi-turn complex intent tracking
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