[BUG] Phi Silica's input of double byte content may result in garbled characters during inference

[qihui-liu]

Describe the bug
Phi Silica's input of double byte content may result in garbled characters during inference, but there will be no such issue during inference before April 25, 2025. Did something happen?

To Reproduce
Steps to reproduce the behavior:
1.Open "AI Dev Gallery Dev"
2.Select "Gamples"
3.Click “Generate Text”
4.Input "你是谁" or “如何制作一份煎牛排”
5.Output contains garbled code

Expected behavior
Output contains garbled code

Screenshots

Please complete the following information:

• App Version [version 0.0.1.0]:

Additional context
Windows 11 Home Insider Preview 24H2
Installed on:4/27/2025
OS build:26200.5570
Experience: Windows Feature Experience Pack 1000.26100.89.0

[nmetulev]

This might be due to an update of the Phi Silica model - we've had few updates since, is it still an issue?

[qihui-liu]

@nmetulev Yes, I have been using it like this recently

[nmetulev]

Can I ask you to create an issue here with a repro: https://github.com/microsoft/WindowsAppSDK/issues?q=is%3Aissue%20state%3Aopen%20label%3Aarea-WCR