Research depth
Discovery
How well the tool supports keyword, competitor, SERP, backlink, or market research before execution.
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
StoryChief
Combines company context, competitors, live web, keyword/SERP, Search Console, trends, and content-audit data.
The AI marketing agent page says it uses web search, keyword research, Search Console, and content audit; the strategy page adds competitor websites and trends. https://storychief.io/ai-marketing-agent