Qwen 3.5 4B versus Qwen 3 VL 4B IT in Perplexica/Vane
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- Dominant language
- C++
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Description
Qwen 3 VL 4B IT performs very well in web search answers using perplexica/vane and lemonade server on arch linux. While the 3.5 4B gets stuck on "Brainstorming" but never calls the search tool. This might be a difference between the LLMs or their quants used by FLM.
Tool/Frontend: Perplexica/Vane
Server: Lemonade/FLM
Hardware: Ryzen AI 7 350, 32 GB RAM
OS: Arch linux.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the Perplexica/Vane web-search flow through Lemonade/FLM on Arch Linux, comparing Qwen 3.5 4B with Qwen 3 VL 4B IT on the reported hardware. Trace whether the failure to call the search tool comes from the model or its quant, and consider the issue complete when that cause is isolated and the appropriate behavior is documented or corrected.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- arch-linux
- Domain
- ai, backend
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100