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The generative AI customization spectrum: From prompt engineering to custom models on AWS

This story is from 2026-09-14. It is preserved in the archive; the latest stories are on the live feed.

Pick the right generative AI customization approach on AWS with an 8-step decision framework, from prompt engineering and RAG to fine-tuning, continued pre-training, and Amazon Nova Forge. Start simple and escalate only when you must.

Read the full story at AWS Machine Learning Blog ↗

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  1. 2026-09-14 15:47 · AWS Machine Learning Blog
    The generative AI customization spectrum: From prompt engineering to custom models on AWS

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