Gavin enhanced model configuration flexibility in the krai/axs2mlperf repository by introducing parameterization for the model_family variable, allowing users to experiment with multiple model families without modifying core code. Using Python and applying configuration management and refactoring skills, Gavin ensured that model identification remained accurate by reverting an earlier change that incorrectly shortened the llama2-70b model name. This approach safeguarded configuration correctness and supported safer experimentation workflows. The work demonstrated a focused, in-depth solution to managing model variants, emphasizing maintainability and correctness over a one-month period, with all changes grouped under a single, well-defined feature implementation.