model.StartChat() only supports simplified Chinese, not traditional Chinese. However, model.generateContent() supports traditional Chinese.

[dio833]

Expected Behavior

model gemini-pro startChat with traditional Chinese prompt returss result text.

Actual Behavior

model gemini-pro startChat with traditional Chinese prompt returns empty string.

Steps to Reproduce the Problem

1. asked the question in traditional Chinese

  const model = genAI.getGenerativeModel({ model: "gemini-pro"});
  
  const chat = model.startChat({
    history: [
    ],
    generationConfig: {
      maxOutputTokens: 100,
    },
  });

  const msg = "創作一首古詩";

  const result = await chat.sendMessage(msg);
  const response = await result.response;
  const text = response.text();
  console.log(text);
  console.log(text.length);

2. get result

0

3. If I asked the same question in simplified Chinese

  const model = genAI.getGenerativeModel({ model: "gemini-pro"});
  
  const chat = model.startChat({
    history: [
    ],
    generationConfig: {
      maxOutputTokens: 100,
    },
  });


  const msg = "创作一首古诗";

  const result = await chat.sendMessage(msg);
  const response = await result.response;
  const text = response.text();
  console.log(text);
  console.log(text.length);

4. the result like this:

Specifications

**清溪**

溪水潺潺绕石鸣，
绿柳依依拂清风。
游鱼戏藻影绰绰，
鸟语花香沁心胸。

山岚缥缈似烟雾，
掩映山色醉人目。
我醉青山不知归，
人间烦恼尽消疏。
80

• Version: 0.2.1
• Platform: ubuntu 22.04 in WSL

[IvanLH]

Could not repro with Gemini 1.5 flash or pro. Can you confirm this is still a problem?

[andyc2513]

Could not repro with Gemini 1.5 flash or pro. Can you confirm this is still a problem?

Same here, I could not reproduce this issue with gemini-2.0-pro-exp-02-05 or gemini-1.5-pro.