Slack vs Zeffy

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

Slack leads in AI visibility (92 vs 26)

Slack

LeaderProductivity & Collaboration

Team Communication

Salesforce (NYSE: CRM) team messaging platform at $27.7B acquisition processing 1.5B weekly messages; competing with Microsoft Teams for enterprise collaboration through Salesforce integration and developer-first experience.

AI VisibilityBeta
Overall Score
A92
Category Rank
#2 of 2
AI Consensus
61%
Trend
stable
Per Platform
ChatGPT
99
Perplexity
98
Gemini
89

About

Slack is a San Francisco-based team collaboration and communication platform — acquired by Salesforce (NYSE: CRM) in 2021 for $27.7 billion — providing organizations with channel-based messaging, direct messaging, file sharing, video calls (Slack Huddles), and a 2,600+ app integration ecosystem that connects team communication with the business tools (Salesforce, Jira, GitHub, Google Drive) teams use daily. Used by 200,000+ organizations including IBM, Airbnb, and Target, Slack processes 1.5 billion+ messages weekly and serves as the communication backbone for technology companies, knowledge work organizations, and enterprises worldwide.

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

92
Overall Score
26
#2
Category Rank
#1
61
AI Consensus
68
stable
Trend
stable
99
ChatGPT
19
98
Perplexity
26
89
Gemini
17
85
Claude
29
98
Grok
18

Track AI Visibility in Real Time

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