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Head-to-head · Google Workspace Communication Tools

Google Chat vs Mattermost

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Google Chat #4 in Google Workspace Communication Tools 8.9/10 Free plan · 14-day trial Free planFree trial✓ 0 of 3 features Visit Google Chat
Mattermost #8 in Google Workspace Communication Tools 8.6/10 Free plan Free plan✓ 0 of 3 features Visit Mattermost

Google Chat leads on 0 checks, Mattermost on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGoogle Chat · 8.9/10
  • Free planboth
  • Free trialonly Google Chat

Google Chat scores higher on our rubric for google workspace communication tools: 8.9 against 8.6 out of 10; our editors rank them #4 and #8.

Google Chat is the better fit for google Workspace teams wanting persistent chat spaces. Mattermost is the better fit for organizations wanting self-hosted team messaging.

  • Google Chat fits best

    Google Workspace teams wanting persistent chat spaces

  • Mattermost fits best

    Organizations wanting self-hosted team messaging

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Side by side

Feature Google Chat 8.9/10 Visit ↗ Mattermost 8.6/10 Visit ↗
At a glance
Editor score 8.9 8.6
Ranking #4 in Google Workspace Communication Tools #8 in Google Workspace Communication Tools
Best for Google Workspace teams wanting persistent chat spaces Organizations wanting self-hosted team messaging
Pricing model Free plan + paid Free plan + paid
Starting price $7/user/mo —
Free plan ✓ ✓
Free trial 14 days —
Deployment Cloud, Mobile, Browser extension Cloud, Self-hosted, Desktop, Mobile
Platforms Web, Windows, macOS, Linux, iOS, Android Web, Windows, macOS, Linux, iOS, Android
Support Live chat, Email, Community, Docs Email, Tickets, Community, Docs
Compliance SSO/SAML, 2FA ISO 27001, GDPR
Integrations 14 integrations 700+ integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Google Chat 0/3 · Mattermost 0/3
Google Calendar sync Not checked yet Not checked yet
Meeting recording Not checked yet Not checked yet
SSO support Not checked yet Not checked yet
Specs
Communication modes Not checked yet Not checked yet
Max call participants Not checked yet Not checked yet
Mobile apps Not checked yet Not checked yet
Our review
Pros
  • Persistent spaces and threaded discussions keep team conversations organized.
  • Share and collaborate on Docs, Sheets, and Slides in conversations.
  • Guest access, tasks, and Gemini features extend collaboration in spaces.
  • Self-hosted deployment with web, desktop, and mobile clients
  • Searchable message history, channels, threads, calls, and screen sharing
  • 700 integrations plus APIs, bots, plugins, and workflow automation
Cons
  • Paid Workspace pricing is per user, and annual billing is needed for listed lower rates.
  • Message history can vary with account and administrator settings.
  • Its strongest fit is teams already working within Google Workspace.
  • Professional and Enterprise pricing is contact-based
  • Enterprise-specific AI features require the Enterprise plan
  • May be more than teams need if they only want basic messaging
Our verdict

Google Chat brings direct messages, group conversations, and persistent spaces together for individuals, teams, and organizations. It suits Google Workspace teams that want ongoing discussions organized by topic, with threaded replies,…

Read the review →

Mattermost is an open-core collaboration platform for technical, operational, defense, government, and critical-infrastructure teams. It combines public and private channels, direct and group messaging, threaded discussions, searchable…

Read the review →
  1. Google ChatGoogle Workspace Communication Tools 8.9Free plan · 14-day trial
  2. MattermostGoogle Workspace Communication Tools 8.6Free plan

Strengths and trade-offs

  • Google Chat — where it wins

    • Persistent spaces and threaded discussions keep team conversations organized.
    • Share and collaborate on Docs, Sheets, and Slides in conversations.
    • Guest access, tasks, and Gemini features extend collaboration in spaces.

    Where it doesn't

    • Paid Workspace pricing is per user, and annual billing is needed for listed lower rates.
    • Message history can vary with account and administrator settings.
    • Its strongest fit is teams already working within Google Workspace.

  • Mattermost — where it wins

    • Self-hosted deployment with web, desktop, and mobile clients
    • Searchable message history, channels, threads, calls, and screen sharing
    • 700 integrations plus APIs, bots, plugins, and workflow automation

    Where it doesn't

    • Professional and Enterprise pricing is contact-based
    • Enterprise-specific AI features require the Enterprise plan
    • May be more than teams need if they only want basic messaging

More comparisons

All google workspace communication tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update