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Pricing sourced from Slack · Last verified March 2026
Basic AI features (conversation summaries, intelligent search, huddle transcription) are included on Pro plans starting at $7.25/user/month. Advanced AI (daily recaps, message translation, AI workflow generation) requires Business+ at $15/user/month. No separate AI subscription needed.
Slack Pro ($7.25/user/month) includes unlimited history, AI features, and 2,000+ integrations. Teams Essentials costs $4/user/month but lacks Slack's integration depth and AI capabilities. Teams is included with Microsoft 365 ($22/user/month), but you're paying for the full Office suite.
The free plan works initially for teams under 10 people, but the 90-day message history limit becomes problematic as institutional knowledge accumulates. Most growing teams upgrade to Pro within 3-6 months when they need to reference older conversations or onboard new members.
Slack maintains SOC 2 Type II, SOC 3, ISO 27001, and GDPR compliance. Business+ adds SAML SSO and advanced security controls. Enterprise Grid includes Enterprise Key Management and Data Loss Prevention for regulated industries like healthcare and financial services.
Slack's 2,000+ pre-built integrations eliminate development time and maintenance overhead for common business tool connections. Custom solutions require ongoing development resources, while Slack integrations are maintained by the app providers and Slack's platform team.
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