Research depth
Discovery
How well the tool supports keyword, competitor, SERP, backlink, or market research before execution.
Goodie AI
Strong AEO research layer built around real customer prompts and demand patterns.
The homepage says Research understands real customer prompts, search-volume patterns, and visibility opportunities; Prompt Research is listed as a product area. https://higoodie.com/
Scalenut
Deep SERP, competitor, topic, prompt, and page-level research is documented, though the site does not document every possible data source.
The Features FAQ says SERP statistics come from the top 30 ranking articles and Cruise Mode breaks down the top 10/20/30 competitor outlines: https://www.scalenut.com/features