Shared entity / Stack layer
Tencent Open-Sourced a 770B Model and Put It Free Inside Its Own Productivity Suite for Two Weeks
Tencent (corroborated by Hacker News front page, 328 points, 2026-08-29)
Shared entity / Stack layer
Tencent ships Hy4-preview under Apache 2.0: 770B total, 49B active, 256 routed experts plus one shared
Tencent Hunyuan on Hugging Face, corroborated by Latent Space AINews
Shared entity / Stack layer
CROSS-CATEGORY: Two Chinese Labs Dropped Frontier Open Weights Inside 24 Hours, Both Benchmarked on Coding and Security Rather Than Chat
Hugging Face and Tencent (synthesized from huggingface.co/zai-org/GLM-5.3 and tencent.com Hy4 release, both 2026-08-28)
Shared entity / Stack layer
An open-weight 770B LLM took second place on Product Hunt's daily leaderboard
Product Hunt
Shared entity / Stack layer
Tencent's AngelSlim shipped a ternary GGUF that puts the 770B Hy4-preview in 214 GiB at 2.38 bits per weight
Hugging Face (AngelSlim), via r/LocalLLaMA
Policy dependency / Stack layer
116 Companies Including Visa, Mastercard, Shopify, Capital One and GM Signed a Joint Call for AI Cyber Defense
CNBC (corroborated by CBS News and Slashdot; letter published 2026-08-27, coverage through 2026-08-28)
Policy dependency / Stack layer
CopilotKit open-sources OpenBot, giving each agent its own container, browser and logins behind a single policy gateway
GitHub
Stack layer / Threat pattern
kru is a local-first MCP credential manager that lets agents use secrets without seeing plaintext
GitHub