Research depth
Discovery
How well the tool supports keyword, competitor, SERP, backlink, or market research before execution.
KoalaWriter
Deep, per-section research is built into the writer.
The official Deep Research page says it fetches live SERPs per section, scrapes up to 5 URLs per section, and feeds source content into the prompt: https://koala.sh/features/deep-research
SEOmonitor
Deep keyword and SERP research with curated data, intent, gaps, difficulty and opportunity analysis.
All Features describes Magic Keywords, curated keyword data, intent, keyword gaps, calibrated volume, SERP features and advanced filters: https://www.seomonitor.com/all-features/