Slack AI in 2026: What's Included Free, What Costs Extra, and How It Compares to Copilot
The June 2025 AI bundling is the biggest pricing change in Slack's history. Most competing pages still reference the old $10/user/month add-on. Here is the current reality.
What Changed in June 2025
Before (pre-June 2025)
$10/user/month
Slack AI was a paid add-on
After (June 2025+)
$0 extra
Bundled free into all paid plans
AI Features by Plan
| AI Feature | Free | Pro | Business+ | Enterprise+ |
|---|---|---|---|---|
| Conversation summaries | No | Yes | Yes | Yes |
| Huddle notes | No | Yes | Yes | Yes |
| Basic AI search | No | Yes | Yes | Yes |
| Advanced AI search | No | No | Yes | Yes |
| Channel recaps | No | No | Yes | Yes |
| Message translations | No | No | Yes | Yes |
| File summaries | No | No | Yes | Yes |
| AI workflow generation | No | No | Yes | Yes |
| Cross-app search (Drive, Jira, etc.) | No | No | No | Yes |
| Agentforce (custom AI agents) | No | No | No | Yes |
Slack AI vs Microsoft Copilot: Cost Comparison
This is Slack's strongest competitive argument against Microsoft Teams. Slack AI is free on paid plans. Copilot costs $18-21/user/month extra on top of your M365 subscription.
| Team size | Slack AI (annual) | Copilot (annual, $19.50 avg) | Slack saves |
|---|---|---|---|
| 50 users | $0 | $11,700 | $11,700/yr |
| 100 users | $0 | $23,400 | $23,400/yr |
| 200 users | $0 | $46,800 | $46,800/yr |
| 500 users | $0 | $117,000 | $117,000/yr |
| 1000 users | $0 | $234,000 | $234,000/yr |
Is Slack AI Actually Good? Honest Assessment
Conversation summaries
Genuinely usefulCatching up on 100+ message threads in one click saves real time. Quality is good for straightforward discussions, less reliable for nuanced technical debates.
Huddle notes
GoodAutomatic transcription and key point extraction from voice calls works well for standard meetings. Accuracy drops with heavy accents or technical jargon.
Search
ImprovingAI-powered search understands natural language queries better than keyword search. Still imperfect for finding specific messages from months ago, but significantly better than basic search.
Translations
Basic but usefulHandles common language pairs (English, Spanish, French, German, Japanese) adequately. Not suitable for legal or medical translation. Good enough for day-to-day team communication.
Cross-app search (Enterprise+)
Powerful when configuredSearching across Google Drive, Confluence, Jira, and Slack simultaneously is genuinely valuable. Setup and permissions management can be complex.
Enterprise+ and Agentforce
Enterprise+ is the newest tier, adding Salesforce's Agentforce platform to Slack. This allows organisations to deploy custom AI agents directly within Slack channels.
Agentforce agents can: answer questions from CRM data, automate sales workflows, provide customer context from Salesforce, search across connected apps (Google Drive, Confluence, Jira, OneDrive, SharePoint, GitHub, Asana, Box), and execute custom actions.
Enterprise+ pricing is custom-negotiated. Expect a significant premium over standard Enterprise Grid. This tier is primarily relevant for organisations already invested in the Salesforce ecosystem.
Frequently Asked Questions
Is Slack AI really free?
Yes, since June 2025. Slack AI was previously a $10 per user per month add-on. It is now bundled into all paid plans (Pro, Business+, Enterprise) at no additional cost. The features available depend on your plan tier: Pro gets basic AI (summaries, huddle notes), Business+ gets advanced AI (translations, file summaries, advanced search), and Enterprise+ gets cross-app search.
How does Slack AI compare to Microsoft Copilot?
Copilot is more feature-rich because it spans the entire Microsoft 365 suite (Word, Excel, PowerPoint, Outlook, Teams). Slack AI is focused specifically on messaging and collaboration within Slack. However, Copilot costs $18 to $21 per user per month as an add-on, while Slack AI is free. For a 100-person team, the AI cost difference is $21,600 to $25,200 per year. Slack AI covers the most common use cases (catching up on threads, meeting notes, search) effectively.
What AI features does Slack Pro include?
Pro includes conversation summaries (catch up on long threads with one click), huddle notes (automatic transcription and key points from voice calls), and basic AI-powered search. These cover the most common use cases. Business+ adds translations (real-time message translation), file summaries, and more advanced search capabilities.
What is Agentforce in Slack?
Agentforce is Salesforce's AI agent platform, available exclusively on Enterprise+. It allows organisations to deploy custom AI agents directly within Slack channels. These agents can perform tasks, answer questions from connected data sources, and automate workflows. Agentforce connects Slack to Salesforce CRM data, making it particularly valuable for sales and customer service teams.