Hy3 Officially Released With 256K Context
alifcoder · x · 2026-07-11
Hunyuan's Hy3 has been officially released, focusing on a "practical-first" approach.
Key highlights:
- 295B MoE with 21B activated parameters
- 256K context length
- Outperforms GLM-5.1 in blind expert evaluations
- Hallucination rate reduced from 12.5% to 5.4%
- Open-sourced under Apache 2.0, available for free trial on OpenRouter
The post stresses its competitiveness even against models 2–5 times its size.
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