The answer
No. Most application teams can start with an existing model and focus on prompts, retrieval, tools, and evaluation. Pre-training is a separate, resource-intensive undertaking.
What are the main stages involved in building an AI assistant?
Must every assistant be pre-trained from scratch?
More FAQs in What are the main stages involved in building an AI assistant?
No. An existing assistant model may already perform the task well with clear instructions and relevant context. Fine-tuning should address a demonstrated behavior gap.
Evaluation should begin before customization and continue through development and deployment. Early baselines help determine whether later training or application changes actually improve behavior.
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