Unsloth/Qwen3.6-35b-a3b -> Q5_K_S vs Q4_K_XL

Reddit r/LocalLLaMA / 4/19/2026

💬 OpinionSignals & Early TrendsTools & Practical Usage

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Key Points

A user reports testing the Qwen3.6-35b-a3b model in Unsloth using recommended settings and comparing quantization variants Q5_K_S vs Q4_K_XL.
They claim Q4_K_XL performs substantially better for their tasks, including web research, document research, transcripts, Python/HTML coding, and debugging.
The user specifically highlights improved results for web search when using Q4_K_XL compared with Q5_K_S.
They speculate that the Q4 model has stronger reasoning capabilities, and ask whether others have observed similar differences.
The post is based on personal experimentation rather than controlled benchmarks, inviting community feedback.

I run both from unsloth with recommended settings, and what I found is that Q4_K_XL does a LOT better job in my use case - web research, document research, transcript, python and html coding and code debugging
Especially in websearch
It looks to me that reasoning is a lot stronger in Q4 model
Has anybody else noticed that?

submitted by /u/KringleKrispi
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