Slack is a Team communication tool: Channel-based team messaging.

How much does Slack cost?

Slack uses a Freemium model; paid plans start at $9 per month.

What are the best alternatives to Slack?

Community-listed alternatives to Slack include Mattermost, Microsoft Teams, Rocket.Chat, BAND.

What does Slack integrate with?

Slack integrates with Google Drive, Jira, GitHub, Zoom, Salesforce, Asana and more.

Which platforms does Slack support?

Slack is available on web, macos, windows, linux, ios, android.

Slack

Channel-based team messaging

Freemium · $9Team communication

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Slack is a team communication tool for Small businesses and Enterprise, offered as freemium ($9/mo). Based in United States, founded in 2013. Popular alternatives include Mattermost, Microsoft Teams, Rocket.Chat.

About Slack

Slack is the channel-based messaging platform launched in 2014 by Stewart Butterfield's team and acquired by Salesforce in 2021. It popularized organizing workplace communication into channels by team, project or topic, with threads, direct messages and shared channels that connect separate companies through Slack Connect.

Around messaging, Slack offers huddles for quick audio and video calls with screen sharing, clips, canvases for lightweight documents, lists for tracking tasks and Workflow Builder for no-code automations. Thousands of integrations bring notifications from tools such as Jira, GitHub, Google Drive and Salesforce, and apps let users act without leaving Slack. Slack AI summarizes channels and threads, searches across history and answers questions, and Salesforce's Agentforce brings AI agents into Slack. The free plan hides messages and files older than 90 days and limits integrations, which pushes active teams to Pro; Business+ adds SAML SSO, data exports and a higher uptime SLA, and Enterprise+ supports multiple workspaces, DLP and key management.

Slack fits tech companies, startups and distributed teams that rely on many integrations and fast, informal communication. Constant notifications can hurt focus, and costs add up for large organizations. Microsoft Teams wins in Microsoft 365 companies because it is bundled, Google Chat suits Workspace users, and Discord or Mattermost serve communities and teams that want self-hosting.

Key features of Slack

Channels, threads, DMs and shared channels across companies (Slack Connect)
Huddles with screen sharing and canvases for docs
Workflow Builder and 2,600+ app integrations
Slack AI: summaries, search answers, recaps
Lists for lightweight task tracking
Enterprise security: SSO, DLP, EKM, compliance exports

Pros and cons

Pros

Best-in-class UX for team chat
Huge integration ecosystem
Slack Connect for working with partners
Reliable search and mobile apps

Cons

Expensive per seat for large teams
Free plan's 90-day history limit
Notification overload without discipline
Slack AI costs extra below Business+

Slack pricing

Slack uses a freemium model.

Plan	Price	Includes
Free	$0	90-day message history, 1:1 huddles
Pro	$8.75 / user/mo	$7.25/mo billed annually; unlimited history and apps, group huddles
Business+	$18 / user/mo	$15/mo billed annually; Slack AI, SAML SSO, data exports
Enterprise+	Custom	Enterprise search, DLP, advanced security; contact sales

Source: slack.com · checked on Oct 20, 2026

Are you the maker of Slack?

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What AI assistants say Slack costs

In our October 2026 test we asked four assistants for the cheapest paid plan of Slack; the verified price is $8.75 per month.

ChatGPT$8.75 right
Gemini$8.75 right
Perplexity$8.75 right
Claude$8.75 right

Full test: 40 tools, 4 assistants

Price changes for Slack

Verified changes to Slack's prices and plans, newest first.

All price changes

Price increaseJune 17, 2025 · Announced

Slack Business+ rises from $12.50 to $15 per user a month on annual billing

In its June 17, 2025 announcement, Slack said Business+ pricing increases from $12.50 to $15 per user a month on annual billing and from $15 to $18 on monthly billing. Pro pricing stays the same. Customers who bought on Slack's website move to the new Business+ at their first renewal after August 17, 2025.

from$12.50to$15per user a month, billed annually

Sources:Slack announcement, June 17, 2025 Slack help center article

Plan changeJune 17, 2025 · Announced

Slack ends Slack AI add-on sales and puts AI summaries in all paid plans

With its June 2025 plan update, Slack said the Slack AI add-on is no longer available to buy on its website, and conversation summaries and huddle notes are included on all paid plans. Existing add-on buyers keep access until their first renewal after August 17, 2025; recaps and translations require Business+.

Sources:Slack help center article Slack announcement, June 17, 2025

Slack price history

Main plan price of Slack over time, from the dated changes above (per user a month, billed annually)

How Slack compares in Team communication

Rank by votes: #1 / 36
Starting price: $9
Free alternatives: 5

Slack ranks #1 of 36 team communication tools by community votes and is priced below most tools in the category.

Common use cases

1Company-wide communication with topic channels
2Engineering alerts from CI, monitoring and GitHub
3Customer shared channels with Slack Connect
4Support triage with workflows and Linear/Jira integration

Best for

Teams of any size that are not already standardized on Microsoft Teams and value integrations.

Not ideal for

Microsoft 365-centric organizations (Teams is included) or teams preferring async-first tools (Twist).

Integrations

Google Drive
Jira
GitHub
Zoom
Salesforce
Asana
Notion
HubSpot
Zapier
Workflow Builder

Our take

Slack remains the best team chat if you can afford it. Decide early on channel conventions and notification norms, or the tool becomes the distraction it is accused of being.

FAQ

What is Slack?: Slack is a Team communication tool: Channel-based team messaging.
How much does Slack cost?: Slack uses a Freemium model; paid plans start at $9 per month.
What are the best alternatives to Slack?: Community-listed alternatives to Slack include Mattermost, Microsoft Teams, Rocket.Chat, BAND.
What does Slack integrate with?: Slack integrates with Google Drive, Jira, GitHub, Zoom, Salesforce, Asana and more.
Which platforms does Slack support?: Slack is available on web, macos, windows, linux, ios, android.
Who is Slack for?: Teams of any size that are not already standardized on Microsoft Teams and value integrations.

Alternatives to Slack

See all 10

Mattermost
▲ 0
Self-hosted secure collaboration
Open sourceEnterprise
checked Oct 20
Microsoft Teams
▲ 0
Microsoft's chat, meetings and calling hub inside Microsoft 365
Freemium · $4Enterprise
checked Oct 20
Rocket.Chat
▲ 0
Open-source team chat and omnichannel
Open sourceEnterprise
checked Oct 20
BAND
▲ 0
Shared chat rooms where AI agents and people coordinate work
Freemium · $18Developers
checked Oct 22
Discord
▲ 0
Voice, video and text communities
Freemium · $3Creators
checked Oct 20
Microsoft 365
▲ 0
Word, Excel, Outlook, Teams and OneDrive in one subscription
Freemium · $2Small businesses
checked Oct 20

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Reviews

No reviews yet. Be the first to share real experience.

2025-06-17	$12.50
2025-06-17	$15
2026-10-20	$8.75