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[GH-ISSUE #15963] qwen3.6:35b-a3b-coding-nvfp4 and preserve_thinking #87854

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opened 2026-05-10 06:27:10 -05:00 by GiteaMirror · 0 comments
GiteaMirror commented 2026-05-10 06:27:10 -05:00
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Originally created by @zaskara on GitHub (May 4, 2026).
Original GitHub issue: https://github.com/ollama/ollama/issues/15963

What is the issue?

I tested it with:

Simple test: ask the model:
can you come up with two random 20 digit number and validate that they are 20 digits, do not use any tools, and only give me one of the two and nothing else.
Ensure the model actually thinks of two numbers otherwise retry, next turn ask: 
now give me the second number that you came up with.

Model answer showed that preserve_thinking isn't enabled.

Qwen3.6 works much better for agent coding with preserve_thinking = true.

And it's logical that if this model has "coding" in it's name, then preserve_thinking has to be enabled.

Relevant log output

OS

No response

GPU

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CPU

No response

Ollama version

No response

Originally created by @zaskara on GitHub (May 4, 2026). Original GitHub issue: https://github.com/ollama/ollama/issues/15963 ### What is the issue? I tested it with: Simple test: ask the model:
can you come up with two random 20 digit number and validate that they are 20 digits, do not use any tools, and only give me one of the two and nothing else. Ensure the model actually thinks of two numbers otherwise retry, next turn ask: 
now give me the second number that you came up with. Model answer showed that preserve_thinking isn't enabled. Qwen3.6 works much better for agent coding with preserve_thinking = true. And it's logical that if this model has "coding" in it's name, then preserve_thinking has to be enabled. ### Relevant log output ```shell ``` ### OS _No response_ ### GPU _No response_ ### CPU _No response_ ### Ollama version _No response_
GiteaMirror added the bug label 2026-05-10 06:27:10 -05:00
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Reference: github-starred/ollama#87854
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