Slack vs Zoom: Video Conferencing Comparison (2026)

Slack and Zoom both offer video conferencing capabilities and have free tiers. Slack focuses on team collaboration with features like message history, app integrations, and 1:1 external messaging. Zoom specializes in meeting functionality, offering longer meeting durations, higher participant capacity, AI note-taking, and cloud storage.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask video conferencing questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Too early to call — probes still building data.
ChatGPT
Slack
Tracking…
No data yet
Zoom
1 / 1 probes
100%
Excellent
Perplexity
Slack
Tracking…
No data yet
Zoom
1 / 1 probes
100%
Excellent
Gemini
Slack
Tracking…
No data yet
Zoom
Tracking…
No data yet
Claude
Slack
Tracking…
No data yet
Zoom
1 / 1 probes
100%
Excellent
Copilot
Slack
Tracking…
No data yet
Zoom
1 / 1 probes
100%
Excellent
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Slack
Starting price
$0/user/month
Free tier
Yes
slack.com ↗
Zoom
Starting price
$14.16/user/month
Free tier
Yes
zoom.us ↗

Key Features

Slack
  • ✓90 days message history
  • ✓Up to 10 app integrations
  • ✓1:1 external messages
  • ✓Basic AI functionalities
Zoom
  • ✓40 mins per meeting
  • ✓100 participants per meeting
  • ✓AI note-taking
  • ✓3 AI queries per month
  • ✓10 GB cloud storage
  • ✓Recorded meetings
  • ✓Scheduling tools
  • ✓Chat functionality

When to choose Slack

Slack is ideal when the priority is team collaboration, extensive app integrations, and persistent message history, especially for 1:1 external communications.

When to choose Zoom

Zoom is better suited when the primary need is robust meeting functionality, including longer meeting durations, higher participant limits, meeting recording, and AI-powered note-taking and queries.

Frequently Asked Questions

What are the differences in free tier features?
Slack's free tier includes 90 days of message history, up to 10 app integrations, 1:1 external messages, and basic AI functionalities. Zoom's free tier offers 40 minutes per meeting, 100 participants per meeting, and chat functionality.
How do their integration ecosystems compare?
Slack integrates with Salesforce, Jira, Google Drive, and ChatGPT. Zoom integrates with Microsoft, Google, Salesforce, ServiceNow, Hubspot, Calendar, and Mail.
What are the AI capabilities of each platform?
Slack offers basic AI functionalities. Zoom provides AI note-taking and 3 AI queries per month.
What are the limitations on meeting capacity or duration?
Slack's free tier capacity is limited to 1:1 communication. Zoom's free tier limits meetings to 40 minutes and 100 participants per meeting.

AI visibility profiles

Is one of these your brand?

Get the full report by email: every video conferencing buyer question we ask, which engines name you, and who gets named instead.

Slack

slack.com

Zoom

zoom.us

Free check

Check any brand's AI visibility — free

We ask the buyer questions in this market across ChatGPT, Claude, Gemini, Perplexity and Copilot, and show you who gets named.

More Video Conferencing Comparisons