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Tencent productivity application that provides access to Hy4 preview.

Why it's here

Placed in Assess: 1 article(s) of evidence from 2 source(s), led by model releases, with 0 in the last 30 days. Confidence 32%.

8Simon Willison·8/29/2026model_release
Tencent Open-Sources Hy4 Preview LLM
Tencent has released Hy4 preview, an open-source large language model with 770B total parameters, 49B active parameters, and a context window of over 1M tokens. The company says it is optimized for productivity tasks such as coding, office work, scientific research, and game development, and is available through Tencent products and APIs.