Perplexity
AI answer engine with cited web research.
Strong fit for research questions where cited, browsable sources matter more than conversation.
- Free plan: Yes
- Pro: $17/month
- Pricing checked 2026-10-30
Consensus answers research questions from peer-reviewed papers with citations. The alternatives below are the catalogue's other research tools, from answer engines to citation checkers.
| Alternative | What it is best at | Free plan | Paid entry | Links |
|---|---|---|---|---|
| Perplexity | Strong fit for research questions where cited, browsable sources matter more than conversation. | Yes | Pro: $17/month (checked 2026-10-30) | Full record · Consensus vs Perplexity |
| scite | Strong fit for literature reviews and checking how scholarly articles are cited, using Smart Citations over 300M+ articles. | No | Basic: $20/month, or $12/month billed yearly ($144) (checked 2026-10-31) | Full record · Consensus vs scite |
| Elicit | Well suited to researchers who need evidence-based literature reviews and systematic reviews from academic papers. | Yes | Pro: $75 /user/month monthly-billed ($49 /user/month billed annually, $588/year) (checked 2026-10-27) | Full record |
| Zotero | Good for keeping research sources in order and exporting styled bibliographies. | Yes | Storage 2 GB: $20/year (equal to $1.67 per month) (checked 2026-10-31) | Full record |
AI answer engine with cited web research.
Strong fit for research questions where cited, browsable sources matter more than conversation.
AI research assistant with Smart Citations over 300M+ scholarly articles.
Strong fit for literature reviews and checking how scholarly articles are cited, using Smart Citations over 300M+ articles.
AI research assistant for evidence-based literature reviews.
Well suited to researchers who need evidence-based literature reviews and systematic reviews from academic papers.
Free app that collects, organizes and cites research sources.
Good for keeping research sources in order and exporting styled bibliographies.
How this list was built: alternatives are tools from the same area of the Ai Siftly catalogue, ordered by website-domain popularity (Tranco research list, 2026-10-26; method), then tools without a rank. Prices and details come from each vendor's own pages with the date checked shown. This is not a ranking or a recommendation.
Yes. Perplexity, Elicit and Zotero each list a free plan (checked dates shown above). scite is paid-only.
Zotero storage starts at $20/year (checked 2026-10-31), though it organizes sources rather than answering questions. For AI answers, Perplexity Pro is $17/month (checked 2026-10-30).
Elicit and scite both work over scholarly articles, like Consensus. Perplexity searches the wider web with citations.
Every price shows the date it was checked on the vendor's own page. Confirm with the vendor before buying.