What are the key differences between Google Chat and Mattermost?

Compare Google Chat and Mattermost side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Google Chat and Mattermost scored?

Google Chat has an AI score of 7.6/10 and Mattermost has an AI score of 7.8/10. Scores are based on features, user satisfaction, and overall quality analysis.

Google Chat vs Mattermost 2026 — Compared

Google Chat

Mattermost

WINNER Mattermost

Mattermost edges ahead with a score of 7.8/10 compared to 7.6/10 for Google Chat. While both are highly rated in their r...

Google Chat

7.6 Good

Communication Get Google Chat open_in_new

emoji_events WINNER

Mattermost

7.8 Good

Communication Get Mattermost open_in_new

Google Chat Pricing not available

payments

Mattermost From $5/user/month for the paid plan Free plan available

psychology AI Verdict

Mattermost edges ahead with a score of 7.8/10 compared to 7.6/10 for Google Chat. While both are highly rated in their respective fields, Mattermost demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Mattermost

verified Confidence: Low

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description Overview

Google Chat

Google Chat is the integrated messaging solution for Google Workspace users. It is simple, clean, and works seamlessly with Google Drive, Docs, and Meet. If your team already uses Gmail and Google Calendar, Chat is the most logical choice for communication. It offers a straightforward interface with spaces for group collaboration and direct messages for private conversations. While it lacks the ad...

Mattermost

Mattermost is the premier open-source alternative to Slack, designed specifically for teams that prioritize security, privacy, and control. It offers a familiar interface that makes migrating from Slack effortless. Because it is self-hosted, your data stays entirely within your own infrastructure, making it a favorite for organizations in regulated industries like finance, healthcare, and governme...