● ModelsNov 4, 2026 · 17:558 sources

Tencent releases its Hy4 open-weight foundation model, which it says joins the top tier of Chinese open-weight AI for the first time, and plans a Flash version (Bloomberg)

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Tencent released its Hy4 open-weight foundation model, which it says joins the top tier of Chinese open-weight AI systems for the first time, and plans a Flash version.

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Sources

• techmeme.com
• ·@tencenthunyuan
• ·@arena
• ·huggingnews
• ·marketbrief.now

+ 4 more

1. SUPPORT@testingcatalog · Nov 4, 2:44 PM · “Tencent plans to open-source Hy4’s model weights and have partnered with the vLLM (Inferact Inc.) and SGLang communities to provide ecosystem support.” · x.com
2. SUPPORT@kimmonismus · Nov 4, 1:53 PM · “Hy4 costs $0.834 per million input tokens and $2.501 per million output tokens via API” · x.com
3. SUPPORT@miaai_lab · Nov 4, 2:30 PM · “Hy4 is a big step up from Hy4 preview in coding & agentic benchmarks, from 26.3 to 44.4 in terminal bench 4.” · x.com
4. SUPPORT@miaai_lab · Nov 4, 2:34 PM · “btw, they're also going to release Hy4 Flash” · x.com

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