During November 2025, Baumgaertner contributed to the BerriAI/litellm repository by implementing model-specific pricing enhancements for the nemotron-nano-9b-v2 model. He designed and integrated a new pricing schema using JSON, introducing explicit per-token costs and maximum token limits to improve transparency for users. This work involved API integration and data modeling, ensuring that pricing details are both accessible and scalable for future models. By linking changes to a specific commit and pull request, Baumgaertner maintained clear traceability. The feature addressed customer needs for budgeting and revenue forecasting, demonstrating thoughtful engineering depth within a focused, well-scoped project.