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/
Profound
Strong AI-search research depth, especially real prompts, citation analysis, intent, sentiment, and competitor gaps.
Prompt Volumes reports 1.5B+ real AI conversations, intent categories, citation-driving prompts, and competitor/citation gap analysis: https://www.tryprofound.com/features/prompt-volumes