Fine-tuning

2 stories tagged Fine-tuning on Learning Fanatic.

Lesson 2.4: The five stages that build a chat model A chat assistant is built in five stages: data, pretraining, fine-tuning, a reward model and RLHF. See what each adds, its cost and where an engineer steps in.
Lesson 1.3: Build, buy or fine-tune a model Before training anything, try the cheapest options first. A practical ladder from prompting to retrieval to fine-tuning, and when each one is worth the cost.