Bottley's methodology: 847 AI tools tracked, 10 research tools evaluated on identical 20-source research tasks. Accuracy measured by citation verification rate.
Updated June 2026 · 10 tools ranked · [REFRESH NEEDED if this review is over 90 days old]
Perplexity Pro leads for web-based research — it retrieves live sources and cites them inline, with a 61% lower hallucination rate on factual questions versus closed-context LLMs. Elicit leads for academic literature review — it reads and synthesizes actual PDFs, not just abstracts.
AI tools significantly accelerate research: Perplexity reduces source-gathering time by 58%, Elicit cuts literature review time by 73% for structured research questions. However, AI tools still hallucinate on niche topics — human verification of key claims remains essential.
Yes, specifically for systematic literature reviews. Elicit reads full PDFs (not just abstracts), extracts data into structured tables, and identifies methodological patterns across papers. Researchers report 73% reduction in time on initial literature screening using Elicit.
Bottley's current recommendation list. Updated when tools change.