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 8.5/10 and Mattermost has an AI score of 8.2/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

Google Chat vs Mattermost 2026 - Compared

Google Chat

Mattermost

WINNER Google Chat

Google Chat edges ahead with a score of 8.5/10 compared to 8.2/10 for Mattermost. While both are highly rated in their r...

emoji_events WINNER

Google Chat

8.5 Excellent

Communication Get Google Chat open_in_new

Mattermost

8.2 Excellent

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

Google Chat edges ahead with a score of 8.5/10 compared to 8.2/10 for Mattermost. While both are highly rated in their respective fields, Google Chat demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Google Chat

verified Confidence: Low

Ready to decide? Get Google Chat arrow_forward

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 an open-source, self-hosted Slack alternative focused on security and data control. It offers similar features to Slack, including channels, direct messaging, and file sharing, but with the added benefit of complete control over your data. This makes it ideal for organizations with strict compliance requirements or concerns about data privacy. Mattermost's self-hosting capabilities a...