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When a startup fine-tunes a large pre-trained model to provide it as a service, what are the main cost advantages compared with training from scratch?
①The computational resources and time required for training are greatly reduced.
②A completely new architecture design is unnecessary, and legal risks are completely eliminated.
③Data collection is no longer necessary, and data costs become zero.
④Inference costs are always lower.
⑤Eliminates long-term operational maintenance costs.