ChatPDF
AI Research & SearchFreemiumVerified
Chat with PDFs and other documents, get summaries and cited answers
6 Best AI Research & Search AI Tools (2026)
AI Research & Search tools in the AGIPicks catalog, with prices from official pricing pages.
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Free AI Research & Search AI tools (7) →
AI Research & Search AI tools in numbers
- Verified tools
- 6
- Median lowest paid plan
- $9.99 per month (5 tools with a published paid plan; annual plans at their per-month price)
- With a free plan
- 83%
- With a free trial
- 33%
Verified tools only, prices in the vendor’s currency (not converted). Calculated .
- Custom (contact sales)Free plan
Custom (contact sales)Free planConsensus
AI Research & SearchFreemiumVerifiedAI search and analysis of peer-reviewed papers for researchers, students and clinicians
Custom (contact sales)Free planElicit
AI Research & SearchFreemiumVerifiedAI research assistant that searches papers and trials and writes cited reports
$9.99/moFree planHumata
AI Research & SearchFreemiumVerifiedAsk questions of your uploaded documents and get answers that cite their sources
$5/moTrial: Trial plan with 100 searches and 100 Kagi Assistant interactionsKagi
AI Research & SearchFree trialVerifiedPaid, ad-free search engine with site ranking controls, an AI Assistant and an API
Custom (contact sales)Free planSciSummary
AI Research & SearchFreemiumVerifiedAI summaries of scientific papers for researchers and students, with a paper library
Prices not verifiedFree planExa
AI Research & SearchPrices not verifiedSearch, contents and research API giving AI agents real-time web data
Prices not verifiedNo free trialNotebookLM
AI Research & SearchPrices not verifiedGemini Notebook: Google research tool that answers from your own sources
Prices not verifiedNo free trialPerplexity
AI Research & SearchPrices not verified
Prices not verifiedFree planYou.com
AI Research & SearchPrices not verifiedPay-per-call web search, research and model APIs for AI developers
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Order: ranking score, then verified tools, then name. Sponsored placements never change this order.
Compare AI Research & Search tools
| Tool | What it does | Price from | Free trial / plan | Links |
|---|---|---|---|---|
| ChatPDFFreemium | Chat with PDFs and other documents, get summaries and cited answers | Custom (contact sales) | Free plan | Visit site of ChatPDF (official site, opens in a new tab) |
| ConsensusFreemium | AI search and analysis of peer-reviewed papers for researchers, students and clinicians | Custom (contact sales) | Free plan | Visit site of Consensus (official site, opens in a new tab) |
| ElicitFreemium | AI research assistant that searches papers and trials and writes cited reports | Custom (contact sales) | Free plan | Visit site of Elicit (official site, opens in a new tab) |
| HumataFreemium | Ask questions of your uploaded documents and get answers that cite their sources | $9.99/mo | Free plan | Visit site of Humata (official site, opens in a new tab) |
| KagiFree trial | Paid, ad-free search engine with site ranking controls, an AI Assistant and an API | $5/mo | Trial plan with 100 searches and 100 Kagi Assistant interactions | Visit site of Kagi (official site, opens in a new tab) |
| SciSummaryFreemium | AI summaries of scientific papers for researchers and students, with a paper library | Custom (contact sales) | 7-day free trial ($0 for the first 7 days) + free plan | Visit site of SciSummary (partner link, opens in a new tab) |
| ExaPrices not verified | Search, contents and research API giving AI agents real-time web data | Prices not verified | Free plan | Visit site of Exa (official site, opens in a new tab) |
| NotebookLMPrices not verified | Gemini Notebook: Google research tool that answers from your own sources | Prices not verified | No | Visit site of NotebookLM (official site, opens in a new tab) |
| PerplexityPrices not verified | Prices not verified | No | Visit site of Perplexity (official site, opens in a new tab) | |
| You.comPrices not verified | Pay-per-call web search, research and model APIs for AI developers | Prices not verified | Free plan | Visit site of You.com (official site, opens in a new tab) |
Order follows published rules, not a score. Prices are the lowest published monthly-billed plan; see each tool’s pricing table for annual billing and limits.
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