LMStudio now accepts llama.cpp overrides; --yarn-attn-factor 1.2 may boost creativity

Extraaltodeus · reddit · 2026-09-12

A Reddit user found that LMStudio now lets you override llama.cpp parameters at model load time without re-saving the GGUF. Setting --yarn-attn-factor 1.2 apparently noticeably improves creative output, while 0.8 dumbs the model down; 1.2 is borderline high and different models may react differently. The post includes a ready-to-import JSON config, using LMStudio's clipboard import button.

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