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Tencent Releases Hy4 Preview Open-Weight Model

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 mixture-of-experts model with 49B active parameters and 1M context length, alongside full benchmark results.

Read the full story at r/LocalLLaMA ↗

Timeline · 3 reports

  1. 2026-08-28 12:06 · r/singularity
    Tencent Hy4 Preview full benchmarks
  2. 2026-08-28 07:50 · r/singularity
    Introducing to tencent’s Hy4 preview Open weights: 770B MoE, 49B active, 1M context
  3. 2026-08-28 06:14 · r/LocalLLaMA
    Tencent/Hy4-preview 770B-A49B weight dropped

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  1. Tencent launches Hy4 open-weight model with vision and computer-use capabilities — South China Morning Post Tech
  2. Oracle cancels $7 billion Tencent AI chip leasing deal under Trump administration pressure — Financial Times AI
  3. Chinese AI firms' $70B Nvidia GPU orders face severe supply shortfall — Techmeme
  4. Tencent releases open-source AI model trained with limited cybersecurity data — Reuters AI
  5. Tencent demonstrates the lead frontier models have — r/singularity
  6. Oracle scraps ~$7B deal to lease ~100K AI chips to Tencent after US pressure — Techmeme
  7. Tencent Hy4 full benchmarks — r/artificial
  8. Tencent Releases Foundation Model It Says Ranks Among China's Best — Bloomberg AI

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