Mendel vs Zeffy

Side-by-side comparison of AI visibility scores, market position, and capabilities

Mendel leads in AI visibility (49 vs 26)

Mendel

ChallengerHealthcare

General

Clinical trial AI platform extracting structured insights from unstructured medical records; NLP for patient eligibility matching, pharmacovigilance, and real-world evidence generation.

AI VisibilityBeta
Overall Score
C49
Category Rank
#207 of 1167
AI Consensus
55%
Trend
stable
Per Platform
ChatGPT
53
Perplexity
60
Gemini
44

About

Mendel is a clinical trial data management and AI platform that accelerates pharmaceutical and biotech drug development by extracting structured insights from unstructured medical records — physician notes, pathology reports, lab results, and clinical documentation — using natural language processing to identify patients eligible for trials, adverse events, and endpoint assessments. Founded in 2017 and headquartered in San Francisco, Mendel raised approximately $35 million and serves life sciences companies, hospital systems, and CROs (contract research organizations) running clinical trials.

Full profile

Zeffy

EmergingNonprofit Tech

Zero-Fee Fundraising

Montreal zero-fee nonprofit fundraising platform with $1B+ processed; 100% donation pass-through via optional donor tips competing with Donorbox and Classy for nonprofit fundraising technology adoption.

AI VisibilityBeta
Overall Score
D26
Category Rank
#1 of 1
AI Consensus
68%
Trend
stable
Per Platform
ChatGPT
19
Perplexity
26
Gemini
17

About

Zeffy is a Montreal-based fundraising platform for nonprofit organizations that charges zero platform fees on donations — asking donors to optionally contribute a tip to cover Zeffy's operating costs rather than deducting fees from each donation, ensuring 100% of every donated dollar reaches the nonprofit cause. Founded in 2019 by Thibaut Davoult and Nicolas Lafleur, Zeffy has processed $1+ billion in nonprofit donations and provides a comprehensive suite including online donation forms, event ticketing, peer-to-peer fundraising campaigns, recurring donation management, and membership management — giving nonprofits a full fundraising platform at genuinely zero cost.

Full profile

AI Visibility Head-to-Head

49
Overall Score
26
#207
Category Rank
#1
55
AI Consensus
68
stable
Trend
stable
53
ChatGPT
19
60
Perplexity
26
44
Gemini
17
43
Claude
29
56
Grok
18

Track AI Visibility in Real Time

Monitor how your brand performs across ChatGPT, Gemini, Perplexity, Claude, and Grok daily.