AI Research Atlas

Hy3 preview

Tencent · 23 April 2026

First model from Tencent's rebuilt pretraining and RL stack under chief AI scientist Yao Shunyu, a 295B-total, 21B-active MoE with 256K context.

192 experts with top-8 routing, a 3.8B-parameter MTP layer and a focus on agent and coding use; Tencent shipped it early to gather product feedback. Released under the Tencent Hy Community License.

Date
Thursday, 23 April 2026
Lab
Tencent
Kind
open-weights
Access
open weights (restricted license)

Figures

MeasureValueMeasured by
Total / active parameters295B / 21Bcompany
Context length256Kcompany

Release 2026-04-23 per the model card; OpenRouter listed it 2026-04-22.

Sources

  1. huggingface.co/tencent/Hy3-preview
  2. en.wikipedia.org/wiki/Tencent_Hy

This record was checked against its sources on 6 October 2026. How we check