llama.cpp tip: How to limit max reasoning length

ggerganov · x · 2026-08-17

Georgi Gerganov shares a specific configuration method in llama.cpp to limit the maximum reasoning length. By adding the --reasoning-budget flag with a value (e.g., 4096), users can control the model's thinking overhead. It also supports custom messages when the budget is reached via --reasoning-budget-message.

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