Tencent Hy3 (Hunyuan 3)
Hy3 is Tencent Hunyuan's flagship 295B-parameter language model. In July 2026 it claimed the top spot on the OpenRouter LLM leaderboard, shipped 1-bit and 4-bit quantized versions, was used in additive combinatorics research, and powers Tencent's Hy3 agent workspace in WorkBuddy, which launched globally in August 2026.
Key facts
| Developer | Tencent |
| Category | large language model |
| Notable for | 295B parameters; topped the OpenRouter leaderboard in July 2026. |
| Available via | Tencent |
| Tracked announcements | 5 |
Announcement timeline
Hy3 AI agent workspace launches globally in WorkBuddy
Tencent's Hy3 agentic AI workspace is now available globally for free through August 2026, offering research, data analysis, document creation, and workplace communication capabilities with no setup required.
Tencent's Hy3 model advances additive combinatorics research
Tencent's research agent Hyra and the Hy3 model contributed to solving a 50+ year-old open problem in additive combinatorics, improving constructions for the growth rate of sumsets versus difference sets beyond the previous 1.1 threshold.
Tencent open-sources AngelSpec speculative decoding framework
Tencent has open-sourced AngelSpec, an end-to-end speculative decoding framework for training and deployment. On the Hy3-A21B model, it delivers 1.98–2.40× end-to-end speedup with improved performance across various concurrency levels.
Hy3 295B model now available in 1-bit and 4-bit versions
Tencent released 1-bit and 4-bit quantized versions of Hy3, a 295B flagship-scale model that can run on a single GPU using llama.cpp and MTP, enabling efficient inference on lower-end hardware.
Hy3 claims top spot on OpenRouter LLM leaderboard
Tencent's Hy3 model has achieved the #1 ranking on the OpenRouter LLM leaderboard. The company is inviting developers to test the model and provide feedback.
FAQ
What is Tencent Hy3 (Hunyuan 3)?
Hy3 is Tencent Hunyuan's flagship 295B-parameter language model. In July 2026 it claimed the top spot on the OpenRouter LLM leaderboard, shipped 1-bit and 4-bit quantized versions, was used in additive combinatorics research, and powers Tencent's Hy3 agent workspace in WorkBuddy, which launched globally in August 2026.
Who makes Tencent Hy3?
Tencent Hy3 is developed by Tencent. This page tracks its official announcements as they happen.
Where is Tencent Hy3 available?
Based on official announcements tracked here, it is available via: Tencent.
What is the latest Tencent Hy3 news?
Hy3 AI agent workspace launches globally in WorkBuddy (August 5, 2026). Tencent's Hy3 agentic AI workspace is now available globally for free through August 2026, offering research, data analysis, document creation, and workplace communication capabilities with no setup required.