Tinker-cookbook is a Python library from Thinking Machines Lab with fine-tuning recipes and abstractions for language models, built on the Tinker API-based training SDK.

Recipes cover supervised learning, RL, DPO/RLHF, distillation, tool use, multi-agent RL, audio, and VLM tasks, with 20+ marimo notebooks included. It supports sampling and post-training for the Inkling and Inkling-Small model family.