[GH-ISSUE #2998] Fine-tuned models, after loading with ollama, the replies are repeated all the time #1841

New Issue

2026-04-12T11:53:58-05:00

GiteaMirror commented

2026-04-12 11:53:58 -05:00

Originally created by @cat2353050774 on GitHub (Mar 8, 2024).
Original GitHub issue: https://github.com/ollama/ollama/issues/2998

After fine-tuning the Qwen model, use ollama to load the QWEN model. When a conversation is in progress, the reply will repeat the fine-tuned results all the time. I don't know what the problem is and how to fix it

Originally created by @cat2353050774 on GitHub (Mar 8, 2024). Original GitHub issue: https://github.com/ollama/ollama/issues/2998 After fine-tuning the Qwen model, use ollama to load the QWEN model. When a conversation is in progress, the reply will repeat the fine-tuned results all the time. I don't know what the problem is and how to fix it ![image](https://github.com/ollama/ollama/assets/50692992/1e762222-03b9-4337-a21d-883e45b8434d)

GiteaMirror closed this issue

2026-04-12 11:53:58 -05:00

GiteaMirror commented

2026-04-12 11:53:59 -05:00

@BruceMacD commented on GitHub (Mar 8, 2024):

Hi @cat2353050774 this looks like either a problem with the fine-tune or the quantization. It's possible you over-fit your training data. If this is a smaller model (Qwen 0.5B) quantization can have major effects on the quality of the results, try running the base model and seeing if it has the same problem.

Resolving this for now as it's not clear if this is an Ollama issue. Let me know if you have any more questions.

@BruceMacD commented on GitHub (Mar 8, 2024): Hi @cat2353050774 this looks like either a problem with the fine-tune or the quantization. It's possible you over-fit your training data. If this is a smaller model (Qwen 0.5B) quantization can have major effects on the quality of the results, try running the base model and seeing if it has the same problem. Resolving this for now as it's not clear if this is an Ollama issue. Let me know if you have any more questions.

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Reference: github-starred/ollama#1841