Slack vs Microsoft Teams vs Google Chat (2026)
Honest, verified comparison — find the right tool for your use case and budget.
- Slack — Best for startups and dev teams. 2,600+ integrations. Free plan with 90-day history. $7.25/user/mo Pro.
- Microsoft Teams — Best for Microsoft 365 organizations. Often free with existing M365 subscription. Strongest video meeting capabilities.
- Google Chat — Best for Google Workspace organizations. Included in Workspace plans from $6/user/mo. Cleanest interface.
🔍 At a Glance
The original team messaging platform — most integrations
- 2,600+ app integrations — largest ecosystem
- Best channel organization and threading
- Slack AI on paid plans (search, summaries)
- Most beloved by developers and startups
- Excellent third-party tool integrations
- Free plan only stores 90 days of message history
- Gets expensive at scale vs free Teams/Google Chat
- Huddles (audio/video) less polished than Teams
Best for Microsoft 365 users — video meetings + files
- Included free in Microsoft 365 subscriptions
- Best video meetings integration (up to 1,000 participants)
- Deep SharePoint, OneDrive, Office integration
- Best for enterprises already on Microsoft stack
- Phone system capabilities on higher plans
- Interface is cluttered and complex
- Performance can be sluggish with large teams
- Less suitable for non-Microsoft environments
Best for Google Workspace users — cleanest interface
- Included free in Google Workspace
- Cleanest, simplest interface of the three
- Native Google Docs/Drive/Meet integration
- Good for hybrid remote + in-office teams
- AI features via Google Gemini integration
- Fewer third-party integrations than Slack
- Limited standalone features outside Google ecosystem
- Less suitable for non-Google environments
📊 Feature Comparison
| Feature | Slack | Microsoft Teams | Google Chat |
|---|---|---|---|
| Free Plan | ✓ Unlimited messages (90-day history) | ✓ Free basic / included in M365 | ✓ Free with Google account |
| Starting Paid Price | $7.25/user/mo (Pro) | $4/user/mo (Essentials) | ✓ $6/user/mo (Workspace Starter) |
| App Integrations | ✓ 2,600+ (most) | 1,000+ | Hundreds |
| Video Meetings | ⚡ Huddles (audio-first) | ✓ Best — up to 1,000 participants | ✓ Google Meet built-in |
| File Storage | 5GB/user (paid) | 1TB+ (with M365) | Google Drive (15GB free, unlimited on Workspace) |
| AI Features | ✓ Slack AI (paid add-on) | ✓ Copilot in M365 | ✓ Gemini integration |
| Best Ecosystem | Dev tools, Jira, GitHub, Salesforce | Microsoft 365, Azure, SharePoint | Google Workspace, Docs, Drive |
| Best For | Startups, dev teams, SaaS companies | Enterprise Microsoft shops | Google Workspace organizations |
💰 Verified Pricing (April 2026)
Teams and Google Chat are often free if your team already pays for Microsoft 365 or Google Workspace. Slack requires a separate subscription.
| Plan | Slack | Microsoft Teams | Google Chat |
|---|---|---|---|
| Free | Unlimited msgs, 90-day history, 1:1 calls | Meetings up to 60 min, basic chat | Full Chat, basic Meet |
| Entry Paid | $7.25/user/mo (Pro, annual) | $4/user/mo (Essentials) | $6/user/mo (Workspace Starter) |
| Mid Tier | $12.50/user/mo (Business+) | $6/user/mo (M365 Business Basic) | $12/user/mo (Business Standard) |
| Enterprise | Enterprise Grid (custom) | $22/user/mo (M365 Business Premium) | $18/user/mo (Business Plus) |
| Included Free In | Not included elsewhere | ✓ All Microsoft 365 plans | ✓ All Google Workspace plans |
| Watch Out For | Costs add up vs free alternatives | Complexity and performance issues | Limited outside Google ecosystem |
📖 The Full Picture
Slack — Integration King — Best for Dev Teams
Slack pioneered modern team messaging and its integration ecosystem remains unmatched at 2,600+ apps. For development teams, the GitHub, Jira, PagerDuty, and Datadog integrations alone justify the subscription. The channel-based organization, threading, and search are the best of the three.
Slack AI (available on paid plans) adds conversation summaries, search answers from message history, and channel recaps — useful for catching up after time off.
The main cost argument against Slack: Microsoft Teams and Google Chat are often free with existing subscriptions. For a company already paying $12/user/month for Microsoft 365, adding Slack at $7.25/user/month is a significant incremental cost.
Microsoft Teams — Video Meetings + Deep Microsoft Integration
Microsoft Teams is the default for any organization running on Microsoft 365. It's included in M365 Business Basic at $6/user/month and handles up to 1,000-participant video meetings, SharePoint document collaboration, and phone system capabilities — all in one app.
The collaboration features around Office documents are unmatched. Co-editing Word, Excel, and PowerPoint files directly within Teams channels eliminates the version control headaches of email attachments.
Teams' main weakness is UX complexity. The interface is cluttered with features, performance can lag, and non-technical users often find it harder than Slack or Google Chat. But if you're already paying for M365, the economic case for switching to Slack is hard to make.
Google Chat — Cleanest Interface, Google Workspace Native
Google Chat is the simplest of the three. Its clean interface integrates naturally with Gmail, Google Docs, Drive, and Google Meet. For hybrid teams that spend most of their time in Google Workspace, it reduces context-switching and keeps everything in one ecosystem.
Like Teams, Google Chat is included in Google Workspace plans from $6/user/month. For organizations already paying for Workspace, there's no incremental cost for Chat.
The limitation: outside the Google ecosystem, Chat has fewer integrations than Slack and less powerful meeting features than Teams. It's the right choice if your team lives in Google Workspace, but a weaker standalone product.
🎯 Who Should Use Each Tool?
🟣 Choose Slack if...
- You are a startup, SaaS company, or dev team
- Integration with developer tools (GitHub, Jira) matters
- You want the richest messaging and search experience
- You don't already pay for Microsoft 365 or Google Workspace
- Team culture values async communication and threading
🔵 Choose Teams if...
- Your organization already uses Microsoft 365
- You need large-scale video meetings (1,000+ participants)
- Deep Office document collaboration is important
- You need phone system capabilities
- Enterprise IT governance and compliance matter
🟢 Choose Google Chat if...
- Your organization uses Google Workspace
- You want the simplest, cleanest messaging interface
- Deep Gmail and Google Docs integration matters
- You want Gemini AI features natively integrated
- You don't want to manage a separate subscription
❓ Frequently Asked Questions
Is Slack free forever?
Is Microsoft Teams free?
Can Slack replace email?
Which is better: Slack or Teams?
Ready to Pick Your Team Communication Tool?
All three offer free plans — Slack is free with 90-day history.