Best Merlin Alternatives for Research
30 AI tools that can replace Merlin for doing research, ranked by how closely they match. The percentage is a match score, not a popularity score.
Replacing: Merlin — AI assistant in your browserInput: text, documents, code, web pages · Output: text, images, code
1
Saving materials from across the web, annotating them with personal insights, and then generating AI-powered analysis that actually reflects your thinking creates a different kind of knowledge work...
Input: text, audio, video, documents, web pages · Output: text, images, video, slides, apps
Free planFrom $20/moMobile appBrowser extension
77%Strong alternative
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals2/10
- Feature description similarity5/20
Shared goals 3 of the 15 we tag Merlin for
Image GenerationResearchWriting
Also tagged for
PresentationsKnowledge Management
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
2
Your docs, deeply understood
Input: text, audio, documents, web pages · Output: text, audio, video
Free planFrom $4.99/mo
76%Strong alternative
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals2/10
- Feature description similarity4/20
Shared goals 3 of the 15 we tag Merlin for
PDF WorkResearchVideo Summaries
Also tagged for
PodcastingFile Management
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
3
Sider Deep Research tackles the gap between quick AI answers and proper citations
Aims at the gap between quick answers and properly cited research; extension, free
Input: text · Output: text, documents
Free planMobile appBrowser extension
75%Strong alternative
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity4/20
Shared goals 1 of the 15 we tag Merlin for
Research
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
4
Opening Patsnap Eureka drops you into a workspace built around domain-specific AI agents rather than a general-purpose chat interface
Input: text, documents · Output: text, documents
Free plan
74%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity3/20
Shared goals 1 of the 15 we tag Merlin for
Research
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
5
Researchers waste hours hunting through literature—piecing together fragments from different papers
Input: text, documents · Output: text, data
Free planFrom $7.25/mo
75%Strong alternative
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity4/20
Shared goals 1 of the 15 we tag Merlin for
Research
Also tagged for
Research Papers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
6
The free plan gives you 5 AI generations daily
Input: text, documents · Output: text, documents, data
Free planFrom $12/mo
74%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity3/20
Shared goals 1 of the 15 we tag Merlin for
Research
Also tagged for
Research Papers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
7
Professional creatives finally have a way to evaluate AI image and video generators that mirrors how they actually judge creative work
Input: text · Output: text, data
Free planFrom $29/mo
73%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity2/20
Shared goals 1 of the 15 we tag Merlin for
Research
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
8
Long-form content that passes as human-written
Input: text · Output: text
Free trialFrom $24/mo
75%Strong alternative
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity5/20
Shared goals 1 of the 15 we tag Merlin for
Research
Also tagged for
BloggingResearch Papers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
9
74%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity4/20
Shared goals 1 of the 15 we tag Merlin for
Research
Also tagged for
Research Papers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
10
Tracking social media conversations manually costs agencies thousands in analyst hours
Input: text, web pages · Output: text, data
Free planFrom $98/mo
76%Strong alternative
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity5/20
Shared goals 1 of the 15 we tag Merlin for
Research
Also tagged for
Social Media
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
11
Smart citations that show how papers are cited
Input: text · Output: text
Free planFrom $20/mo
73%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity2/20
Shared goals 1 of the 15 we tag Merlin for
Research
Also tagged for
Research Papers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
12
Conveo is a research platform where an AI moderator interviews real people and the conversations build into a searchable layer of customer understanding.
Input: text, audio, video · Output: text, video, documents, slides
Free planTeams
73%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity2/20
Shared goals 1 of the 15 we tag Merlin for
Research
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
13
A researcher wants to quickly understand quantum computing's fundamentals without wading through dense academic papers or spotty Wikipedia entries
Input: text · Output: text
Free plan
72%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity1/20
Shared goals 1 of the 15 we tag Merlin for
Research
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
14
User research without the recruiting hassle
Input: text · Output: documents
Free planFrom $29/mo
74%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity4/20
Shared goals 1 of the 15 we tag Merlin for
Research
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
15
Research assistant that reads the papers
Input: text, documents · Output: text, data
Free planFrom $10/mo
74%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity4/20
Shared goals 1 of the 15 we tag Merlin for
Research
Also tagged for
Research Papers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
16
Genomics researchers working with large-scale datasets need tools that can handle complex biological data processing
Input: data · Output: data
Free plan
72%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity1/20
Shared goals 1 of the 15 we tag Merlin for
Research
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
17
RabbitHoles AI is a desktop application designed for deep, multi-threaded conversations with AI on an infinite canvas. Built for researchers, students, and knowledge workers, it enables node-based cha
Input: text, documents, web pages · Output: text
Free planFrom $5.99/mo
75%Strong alternative
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity3/20
Shared goals 2 of the 15 we tag Merlin for
ChatbotsResearch
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
18
75%Strong alternative
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity4/20
Shared goals 2 of the 15 we tag Merlin for
PDF WorkResearch
Also tagged for
File ManagementResearch Papers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
19
Extruct AI is a company research API that finds and researches businesses from a curated index of 10 million companies or from anywhere on the live web.
Input: text · Output: data
Free planFrom $49/mo
72%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity1/20
Shared goals 1 of the 15 we tag Merlin for
Research
Also tagged for
Lead Generation
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
20
This research agent takes a topic or question and returns finished deliverables rather than just text responses
Input: text, web pages · Output: documents, data, slides
Free planFrom $20/mo
73%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity2/20
Shared goals 1 of the 15 we tag Merlin for
Research
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
21
Lyrio positions itself as an AI assistant that breaks away from the single-thread conversation model most chat interfaces force on users
Input: text · Output: text, documents
Free planTeams
74%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity3/20
Shared goals 2 of the 15 we tag Merlin for
ChatbotsResearch
Also tagged for
Knowledge Management
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
22
Claim-based search makes Findsight different
Input: text · Output: text
Free planFrom $6/mo
74%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity3/20
Shared goals 1 of the 15 we tag Merlin for
Research
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
23
Skymel is a persistent open-web intelligence service.
Input: text · Output: text, data
Free planFrom $150/mo
73%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity3/20
Shared goals 1 of the 15 we tag Merlin for
Research
Also tagged for
Monitoring
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
24
Eight AI agents work simultaneously on different angles of your question
Input: text · Output: documents
Free planFrom $5/mo
72%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity1/20
Shared goals 1 of the 15 we tag Merlin for
Research
Also tagged for
News
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
25
Testing marketing messages before launch typically requires surveys, focus groups, and weeks of waiting
Input: text · Output: text, data
From $1,750/moAPITeams
73%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity2/20
Shared goals 1 of the 15 we tag Merlin for
Research
Also tagged for
Marketing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
26
AI-powered investigations, grounded in evidence.
Input: audio, video, documents, data · Output: documents, data, slides
From $49/moAPI
72%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity2/20
Shared goals 1 of the 15 we tag Merlin for
Research
Also tagged for
Document ExtractionContract Review
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
27
You want to avoid building something nobody needs
Input: text · Output: data
Free planFrom $20/mo
75%Strong alternative
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity4/20
Shared goals 1 of the 15 we tag Merlin for
Research
Also tagged for
Business Ideas
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
28
Competely is an AI competitive intelligence service that researches your rivals and reports back on what they are doing.
Input: text, web pages · Output: text, data
From $39/moTeams
74%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity4/20
Shared goals 1 of the 15 we tag Merlin for
Research
Also tagged for
MarketingMonitoring
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
29
User Evaluation handles the full arc of qualitative research: recruiting participants from its built-in pool, running interviews and surveys, transcribing audio and video in 57 languages, and produ...
Input: text, audio, video · Output: text, documents, slides
Free planFrom $19/moAPITeams
73%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity2/20
Shared goals 1 of the 15 we tag Merlin for
Research
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
30
Most fact-checking tools require you to know your exact question upfront
Input: text, audio, documents, web pages · Output: text
Free planFrom $1/mo
73%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Research (its core category)70/70
- Shares Merlin's other goals1/10
- Feature description similarity2/20
Shared goals 1 of the 15 we tag Merlin for
Research
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
Can it really replace Merlin for doing research? Vote on each alternative — no account needed. Votes gently reorder the list; they never change the match score.
Missing an alternative for doing research? Suggest it
At a glance: top Merlin alternatives for Research
| Tool | Match | Input | Output | Pricing | Free plan | Rating | Category |
|---|---|---|---|---|---|---|---|
| YouMind | 77% | text, audio, video, documents, web pages | text, images, video, slides, apps | From $20/mo | Yes | — | AI Research Tool |
| NotebookLM | 76% | text, audio, documents, web pages | text, audio, video | From $4.99/mo | Yes | — | AI Research Tool |
| Sider Deep Research | 75% | text | text, documents | Free | Yes | — | AI Research Tool |
| Patsnap Eureka | 74% | text, documents | text, documents | Freemium | Yes | — | AI Research Tool |
| ScienceOS | 75% | text, documents | text, data | From $7.25/mo | Yes | — | AI Research Tool |
| Paperguide | 74% | text, documents | text, documents, data | From $12/mo | Yes | — | AI Research Tool |
Frequently asked
What is the best Merlin alternative for doing research?
YouMind (77% match) is the closest alternative to Merlin for doing research: Saving materials from across the web, annotating them with personal insights, and then generating AI-powered analysis that actually reflects your thinking creates a different kind of knowledge work. NotebookLM (76% match) and Sider Deep Research (75% match) come next.
Is there a free alternative to Merlin for doing research?
Yes. 26 of the 30 ranked alternatives have a free plan or free tier, including YouMind, NotebookLM, Sider Deep Research.
How is the match percentage calculated?
It measures how much of Merlin's job a tool can take over for doing research: shared core category, how many of the same use cases it covers and how similar its feature set is. Popularity and ratings never change the percentage; they only break ties in the order. Lists are recomputed nightly and reviewed by editors for the most-visited tools.
How this list is ranked
The match score measures how much of Merlin's job each tool can take over when the goal is doing research: shared core category, how many of the same use cases it covers, and how similar its feature set is. Popularity and ratings do not change the score; they only break ties in the order.
Lists are recomputed nightly from the live catalog and reviewed by our editors for the most-visited tools. Sponsored placements are marked and sit outside the ranking.