Tencent just dropped HY4. It's their open-source flagship, and somehow it's stronger, steadier, and cheaper than the preview at the same time.
It can see now. First one with vision: charts, math, fine-grained images, it reads them without tripping up.
It also knows how to drive a computer. Blender, CAD, GUI or CLI, it works them directly.
Pricing, per million tokens:
- Input ~$0.90
- Output ~$2.70
- Cached input ~$0.045
A cheaper HY4 Flash is coming too.
Freebies for now:
- Nov 4–15: WorkBuddy and CodeBuddy are free
- Tencent Cloud TokenHub half off through Dec 31, 2026
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