[gunalx]

3.5 9B can do thinking. Its just disabled by default in its gguf chat template.

[liuliu]

It is disabled because it doesn't work :) Try it and see the doom loop it gets itself in.

[b89kim]

I had no failure mode in 3.6 9B thinking with llama.cpp. After release, there were updates for both model and llama.cpp.