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
thruuu
Very deep SERP and AI-source research.
thruuu analyzes up to 100 Google results and extracts headings, topics, questions, on-page data and AI citations: https://thruuu.com/serp-analysis-tool