Research depth
Discovery
How well the tool supports keyword, competitor, SERP, backlink, or market research before execution.
AthenaHQ
Strong AI-search research surface spanning prompts, responses, sources, competitors, citation intelligence, and prompt-volume estimates.
The plans comparison lists prompt volume estimation/analysis, prompt variations and conversation context, unlimited competitor tracking/benchmarking, and citation intelligence. https://athenahq.ai/pricing
Semji
Strong competitor and enterprise SEO intelligence, though not a general-purpose SEO crawler/research suite.
Intelligence Hub analyzes competitors, content gaps, SEO-provider data, and enterprise-scale page sets: https://semji.com/intelligence-hub/