AINewsnow

Tencent releases Hy4 Preview, a 770B-parameter open model with 1M context

This story is from 2026-08-28. It is preserved in the archive; the latest stories are on the live feed.

Tencent released Hy4 Preview, an open-weights 770B-parameter MoE model with 49B active parameters and a 1M context window. The company says it outperforms Z.AI and Moonshot models in internal tests.

Read the full story at Techmeme ↗

Timeline · 4 reports

  1. 2026-08-28 12:06 · r/singularity
    Tencent Hy4 Preview full benchmarks
  2. 2026-08-28 09:40 · Techmeme
    Tencent releases Hy4 Preview, a 770B-parameter open model with 1M context window, and says it outperforms Z.AI and Moonshot models in internal tests (Bloomberg)
  3. 2026-08-28 07:50 · r/singularity
    Introducing to tencent’s Hy4 preview Open weights: 770B MoE, 49B active, 1M context
  4. 2026-08-28 06:14 · r/LocalLLaMA
    Tencent/Hy4-preview 770B-A49B weight dropped

More stories

  1. Tencent Releases Octop, a Self-Hosted Multi-User AI Platform in One Process — AlphaSignal
  2. Tencent's Gander aims to keep talking while it works in the background — The Decoder
  3. Introducing Kimi K3 on Amazon Bedrock — AWS Machine Learning Blog
  4. Introducing Amazon SageMaker HyperPod Inference Gateway — AWS Machine Learning Blog
  5. Anthropic, OpenAI, SpaceXAI, Google sued over call to ‘pace’ AI development — Politico Technology
  6. Gemini Hacked Three Companies in First Known Breakout by Google’s AI — Wall Street Journal Technology
  7. NVIDIA CEO Jensen Huang rejects ‘AI will end the world’ claim, yet cautions ‘we should go as fast as we can but...’ — Mint AI
  8. Alibaba ships Qwen3.8-Omni-Flash to watch, listen and call tools — r/LocalLLM

Get the daily brief of stories like this at 6:30 every morning →