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[GH-ISSUE #15499] unable to load model: unknown model architecture: 'qwen35moe' when running Qwen3.5-35B-A3B from HuggingFace #9905

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opened 2026-04-12 22:45:15 -05:00 by GiteaMirror · 0 comments
GiteaMirror commented 2026-04-12 22:45:15 -05:00
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Originally created by @nicutdk on GitHub (Apr 11, 2026).
Original GitHub issue: https://github.com/ollama/ollama/issues/15499

What is the issue?

Models using the qwen35moe architecture from HuggingFace fail to load on v0.20.6.

Steps:

  1. ollama pull hf.co/HauhauCS/Qwen3.5-35B-A3B-Uncensored-HauhauCS-Aggressive:Q8_0
  2. ollama run hf.co/HauhauCS/Qwen3.5-35B-A3B-Uncensored-HauhauCS-Aggressive:Q8_0
  3. Error: 500 Internal Server Error: unable to load model

PR #14517 added Qwen3.5 GGUF compatibility but qwen35moe is still unrecognized. The GGUF was quantized with llama.cpp which supports this architecture.

Relevant log output

llama_model_load: error loading model: error loading model architecture: unknown model architecture: 'qwen35moe'
llama_model_load_from_file_impl: failed to load model

OS

Linux, macOS, Windows

GPU

Apple, Nvidia

CPU

Intel, Apple

Ollama version

0.20.6

Originally created by @nicutdk on GitHub (Apr 11, 2026). Original GitHub issue: https://github.com/ollama/ollama/issues/15499 ### What is the issue? Models using the `qwen35moe` architecture from HuggingFace fail to load on v0.20.6. Steps: 1. `ollama pull hf.co/HauhauCS/Qwen3.5-35B-A3B-Uncensored-HauhauCS-Aggressive:Q8_0` 2. `ollama run hf.co/HauhauCS/Qwen3.5-35B-A3B-Uncensored-HauhauCS-Aggressive:Q8_0` 3. Error: `500 Internal Server Error: unable to load model` PR #14517 added Qwen3.5 GGUF compatibility but `qwen35moe` is still unrecognized. The GGUF was quantized with llama.cpp which supports this architecture. ### Relevant log output ```shell llama_model_load: error loading model: error loading model architecture: unknown model architecture: 'qwen35moe' llama_model_load_from_file_impl: failed to load model ``` ### OS Linux, macOS, Windows ### GPU Apple, Nvidia ### CPU Intel, Apple ### Ollama version 0.20.6
GiteaMirror added the bug label 2026-04-12 22:45:15 -05:00
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