Baking a Model: How LLM Training Mirrors Cold-Proofing Bread

Baking a Model: A Metaphor for LLM Training

Baking a Model: How LLM Training Mirrors Cold-Proofing Bread

Kent Beck draws an analogy between baking bread and training large language models. He explains that models are 'bags of numbers' created through pre-training and post-training, comparing pre-training to cold proofing—a slow, hands-off process—and post-training to shaping and baking. He invites corrections and hints at future posts on team dynamics.

Pre-training is the cold proofing of model training.

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2026-08-18