Unriddle
AI research assistant with cited answers for scientists
The go-to AI for researchers who need every answer traced to its source. 4× more accurate on document QA than general AI, with real citations. Skip it if you're not working with a large private library or don't need verifiable citations.
Verified 17d ago · liveness 95/100 · cite: rightaichoice.com/tools/unriddle
- Researchers conducting systematic reviews or meta-analyses requiring cited answers
- PhD students and academics who need verifiable citations from AI summaries
- R&D teams in life sciences or materials science analyzing large document libraries
- Anyone needing HIPAA/GDPR-compliant AI for analysis of sensitive documents
- Casual users looking for a general-purpose chatbot or creative writing tool
- Real-time collaboration on shared documents with multiple editors
- Users with under 50 files who won't need library-scale features
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Skip Anara if you need a general-purpose chatbot for casual conversation, creative writing, or content marketing without citations.
Free: 2,000 AI words/day hard cap; overages not available.
For solo researchers or small teams, the Plus tier at $12/mo (yearly) offers decent value with Zotero/Mendeley connectors and 4,000 AI words/day. The Pro tier at $20/mo (yearly) unlocks unlimited AI words and more integrations, competing with tools like Scite and Elicit which charge $10-$20/mo for similar citation features. The Max tier at $40/mo adds Claude Opus 4.8 and early features. Enterprise custom pricing targets organizations needing SSO and compliance.
In short
Unriddle — AI research assistant with cited answers for scientists. Best for Researchers conducting systematic reviews or meta-analyses requiring cited answers, PhD students and academics who need verifiable citations from AI summaries, R&D teams in life sciences or materials science analyzing large document libraries. Free to start; paid plans from $12/mo.
What's new in Unriddle
Checked 17 days agoAcross the latest 2 updates: 2 feature updates.
Model council, quick explain, chat history search and soft delete
Model Council runs one question across three models in parallel and synthesizes a verdict. Add 'Explain' on any selected text in viewer or chat. Search across past conversations. Deleted items recoverable for 30 days.
Skills, life science connectors and use Anara in other apps
Save and reuse prompts as Skills with prompt library of 100+ ready-made templates. New connectors for BioRender and other life science platforms. Agent and library accessible from other apps.
Viability Score
How likely is Unriddle to still be operational in 12 months? Based on 4 signals — momentum (how recently it shipped), wrapper dependency, revenue model, and web presence.
Last calculated: July 2026
How we score →Key Features
- Cited answers with exact passage references
- Perfect memory of uploaded files
- Up to 10,000 files in one conversation
- Chat with files, folders, or entire library
- Write with automatic citations
- Agent runs code and returns files (Word, spreadsheets, diagrams)
- Skills for saving and reusing prompts
- Life science connectors (BioRender, PDB, ChEMBL, Open Targets)
- Explain popover for instant definitions
- Table View for structured data display
- Model council: query multiple models at once for synthesized answer
- Chat history search and soft delete
- MCP support for connecting to other AI apps
- Voice / voice conversation
- Desktop app (Anara Desktop)
About Unriddle
Anara (formerly Unriddle) is an AI-powered research assistant built for scientists and researchers who need verifiable, cited answers from document libraries. It searches uploaded files and the web, summarizes findings, and helps write with every claim cited back to its source. According to Anara's internal benchmark, it is 4× more accurate than general-purpose AI at finding information in documents, supporting up to 10,000 files in a single conversation. Key features include perfect memory of every uploaded file, cited answers that point to exact passages, automatic citation suggestions when writing, and an agent that can generate Word files, spreadsheets, and complex diagrams from chat. Recent additions include Skills for saving reusable prompts, life science connectors (BioRender, PDB, ChEMBL, Open Targets), and a popover 'Explain' feature for quick definitions. Anara integrates with major reference managers (Zotero, Mendeley), cloud storage (Google Drive, OneDrive, Dropbox, SharePoint), and scientific databases (PubMed, arXiv, bioRxiv, ClinicalTrials.gov). It meets enterprise-grade security standards with SOC 2 Type II and ISO 27001 certifications, and is GDPR and HIPAA compliant. Data is never used to train models. For researchers who need traceable facts over conversational chitchat, Anara is purpose-built. General-purpose tools like ChatGPT or Perplexity are better for broad knowledge or casual use but lack Anara's accuracy on domain-specific document analysis and citation rigor.
Behind the Verdict
Anara is the most accurate tool we've tested for research-grade document analysis. Its cited answers — pointing to exact passages — are a genuine time-saver for systematic reviews and meta-analyses. The ability to chat with up to 10,000 files in one conversation, plus perfect file memory, means you can build a comprehensive library and ask questions weeks later. The recent addition of Skills (reusable prompts) and life science connectors (BioRender, PDB, ChEMBL) shows the team is actively listening to scientists. The Explain popover is a nice touch for quick definitions without leaving your reading flow. Security-conscious teams will appreciate SOC 2, ISO 27001, HIPAA, and GDPR compliance — rare for AI tools. However, Anara is not for everyone. Casual users or those needing a general chatbot will find the citation rigor overkill. The free tier is limited (2,000 AI words/day, 5 uploads/day), and heavy users will need the Pro or Max plan at $20/mo or $40/mo. It also lacks real-time collaboration on shared documents — think of it as a single-user or small-team research co-pilot. Compared to NotebookLM, Anara wins on document recall and accuracy (97% vs 88% in internal benchmarks) but NotebookLM's free tier is more generous. For teams prioritizing cost over citation precision, NotebookLM may suffice. For researchers who can't afford mistakes — especially in life sciences or regulated industries — Anara is the clear choice. One caveat: the rebrand from Unriddle to Anara caused some confusion, and the vendor page still references 'Anara' for new features. Existing users should note that the tool has evolved significantly with agent capabilities (file generation, code execution). If you're a student or R&D team with a large document library and a need for traceable AI,
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Real-world workflow fit
Concrete scenarios for the personas Unriddle actually fits — and what changes day-one when you adopt it.
Upload 50 papers into a folder, ask 'What are the main mechanisms of drug resistance in KRAS G12C inhibitors?' Get a summary with citations to each paper.
Outcome: Saves hours of manual reading; synthesizes across all papers with cited answers.
Connect Zotero and bioRxiv, then ask 'Show me recent clinical trials for EGFR exon 20 insertions.' The agent finds and summarizes relevant studies with citations.
Outcome: Rapid competitive intelligence with verifiable sources.
Upload five clinical studies, ask 'Summarize the efficacy of ponesimod vs placebo in RRMS.' Get a table with endpoints and citations.
Outcome: Compact, cited summary ready for presentation.
Use Cases
- PhD student uploading 200-page textbooks to extract theories and generate flashcards for exams.
- Research team collaborating on literature review, sharing annotated papers and cited drafts.
- Medical resident quickly summarizing multiple clinical studies to prepare for case presentation.
- Undergraduate writing first literature review using automatic citations to structure references.
- Scientist using Anara 3.0 agent to autonomously map competitive landscape for a drug class.
- Systematic review with hundreds of papers, extracting key findings with cited answers.
Models Under the Hood
as of 2026-07-06
Limitations
- Upload limits vary by plan: Free 20 MB, Plus 100 MB, Pro 300 MB, Max 500 MB.
- Free tier has daily word and upload caps (2,000 AI words, 5 uploads).
- Offline access not mentioned.
as of 2026-06-26
12-month cost
Project the real annual outlay, including the implied monthly cost when only an annual tier is published.
Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.
Plans compared
For each published Unriddle tier: who it actually fits, and what it adds vs. the previous tier. Cross-reference the cost calculator above for projected annual outlay.
Free
$0/mo
Ideal for
First-time users exploring Anara with minimal needs: up to 2,000 AI words/day, 5 uploads/day, 20 MB files.
What this tier adds
Starting tier, free entry point with limited daily quotas and only basic AI model.
Plus
$12/mo (billed yearly)
Ideal for
Solo researchers with moderate usage needing Zotero/Mendeley integration and more daily words/uploads.
What this tier adds
Adds Zotero/Mendeley connectors, 4,000 AI words/day, 10 uploads/day, 100 MB files, and GPT 5.4 Mini.
Pro
$20/mo (billed yearly)
Ideal for
Active researchers needing unlimited AI words, more integrations (Google, Notion, OneDrive), and collaboration with 50 collaborators.
What this tier adds
Unlimited AI words/imports, 300 MB files, access to GPT 5.5 and Claude Sonnet 4.6, priority support.
Max
$40/mo (billed yearly)
Ideal for
Power users who need advanced model Claude Opus 4.8 and early access to new features like Deep Search and Complete Form agents.
What this tier adds
Adds Claude Opus 4.8, Deep Search agent, Complete Form agent, 500 MB files with unlimited pages, early access.
Enterprise
Custom
Ideal for
Organizations requiring SSO, custom user roles, live sync with Notion/OneDrive/SharePoint, and SOC 2/ISO 27001 reports.
What this tier adds
Everything in Max plus SSO/SCIM, shared Slack/Teams channel, and custom security compliance.
Where the pricing makes sense
The company stage and team size where Unriddle's pricing actually pencils out — and where peers do it cheaper.
For solo researchers or small teams, the Plus tier at $12/mo (yearly) offers decent value with Zotero/Mendeley connectors and 4,000 AI words/day. The Pro tier at $20/mo (yearly) unlocks unlimited AI words and more integrations, competing with tools like Scite and Elicit which charge $10-$20/mo for similar citation features. The Max tier at $40/mo adds Claude Opus 4.8 and early features. Enterprise custom pricing targets organizations needing SSO and compliance.
Setup time & first value
How long it actually takes to get something useful out of Unriddle — broken out by persona, not the marketing-page minute.
For a new user, signing up and uploading a few files takes 5 minutes. Connecting Zotero or Mendeley adds 5-10 minutes. For advanced use with life science connectors or MCP, allow 15-30 minutes. First useful answer within minutes.
Switching to or from Unriddle
How to bring data in from common predecessors and how to get it back out — written for the switcher, not the buyer.
- →From Zotero: Connect your Zotero account via Settings > Connectors; your library syncs automatically.
- →From Mendeley: Similar to Zotero; connect via Settings.
- →From Google Drive: Connect via Settings; files available in chat.
- ↗To Zotero: Export your library as a .bib file or use Zotero to pull from Anara's export options.
- ↗To Notion: Use connector to sync; or manually copy cited passages.
- ↗To Word: Use the agent to generate a Word document containing your findings with citations.
Integrations
Resources & Guides
- Documentationunriddle.ai
Home | Anara Help Center
Anara Help Center
- Resourceunriddle.ai
Anara | AI for people who can't afford to make mistakes
AI for people who can't afford to make mistakes. Anara helps researchers find accurate insights in papers with verifiable sources. Trusted by 1M+ academics.
- Resourceunriddle.ai
Anara | AI for people who can't afford to make mistakes
AI for people who can't afford to make mistakes. Anara helps researchers find accurate insights in papers with verifiable sources. Trusted by 1M+ academics.
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