AI answer engine with real-time web search and cited sources.
Merlin AI
AI Research & StudyMerlin AI is a browser extension and web app that gives access to many AI models (from OpenAI, Anthropic, Google and others) in one place. It summarizes web pages and YouTube videos, helps write emails and posts inside Gmail and LinkedIn, and chats with uploaded files. It also bundles tools such as an AI detector and humanizer.
Pricing
Merlin AI pricing
Free plan; Pro ~$19/mo, cheaper annually
Last checked September 2026 · Confirm on getmerlin.in
Features
What Merlin AI does
- Chrome extension that opens an AI sidebar on any page
- Access to multiple models from different providers
- YouTube and web page summaries
- Gmail and LinkedIn writing assistance
- Chat with PDFs and other uploaded files
- AI detector and AI humanizer tools
Pros
- One subscription covers several providers' models
- Works inside the sites you already use
- Free plan with daily queries
- Also available on iOS and Android
Cons
- Top models are limited or reduced on the free plan
- Query-based limits can run out quickly with premium models
- Browser extension requires broad page access permissions
- Not a dedicated academic research tool; no specialized paper database
Fit
Who Merlin AI is for
Look elsewhere if: Researchers who need rigorous academic sourcing should use Consensus, Elicit or Scite instead.
For teams & enterprise
Enterprise readiness
Teams, Business and custom Enterprise plans; vendor lists SOC 2 Type II and ISO 27001 with SAML SSO, SCIM and RBAC.
- Business / enterprise plan
- Yes
- SSO (SAML / OIDC)
- Enterprise plan
- SCIM user provisioning
- Enterprise plan
- SOC 2
- Type II
- ISO 27001
- Yes
- HIPAA (BAA available)
- —
- GDPR DPA
- Enterprise plan
- Data residency options
- —
- No training on your data
- Yes
- Audit logs
- —
- Admin controls
- Yes
- Deployment
- Cloud
From the vendor's own security documentation. "—" = not confirmed. Verify during your security review. Compare all tools.
| Research & Study feature checklist | |
|---|---|
| Answers with citations | Yes |
| Searches academic papers | — |
| Upload & chat with PDFs | Yes |
| AI content detection | Yes |
| Rewrites / humanizes text | Yes |
| Citation formatting | — |
| Browser extension | Yes |
| Writing editor | — |
Merlin AI compared
- Merlin AI vs Perplexity
- Merlin AI vs Consensus
- Merlin AI vs Monica
- Merlin AI vs Jenni AI
- Merlin AI vs Originality.ai
- Merlin AI vs StealthGPT
- Merlin AI vs Undetectable AI
- Merlin AI vs Elicit
- Merlin AI vs Scite
Buying guides
Alternatives
All research & study tools →Best Merlin AI alternatives
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