An LLM.
Yes, AWS Nova is used.
Because the LLM is one of AWS's foundation models. This does not use RAG, so responses do not leverage Kernels as source material.
This functionality is ideal for content creators (think Author or Editor roles) who want to increase their efficiency and improve content quality, whether on an internal-facing or public site.
The final solution is a combination of:
Yes. Using proprietary predefined prompts (shortcuts) within the Editor, authors can optimize content for GenSearch responses. These enhancements are included in the 25.2 NiCE release.
Content contributors can also engineer and define their own prompts to generate custom-tailored responses, using the ExpertAI within the Editor. These responses will be subject to token limitations on the LLM model.