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Mattermost vs Stream Chat

Professional comparison and analysis to help you choose the right software solution for your needs.

Mattermost icon
Mattermost
Stream Chat icon
Stream Chat

Mattermost vs Stream Chat: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Mattermost Stream Chat
Sugggest Score — —
Category Social & Communications Social & Communications
Pricing Freemium —

Product Overview

Mattermost
Mattermost

Description: Mattermost is an open-source, self-hosted online chat service with file sharing, search and integration capabilities. It supports text, images, videos and custom emojis across PCs and phones with instant notifications.

Type: software

Pricing: Freemium

Stream Chat
Stream Chat

Description: Stream Chat is a chat API and UI kit that allows developers to easily integrate real-time messaging features into their applications and websites. It handles all the complex infrastructure and networking requirements behind building chat.

Type: software

Key Features Comparison

Mattermost
Mattermost Features
  • Team messaging
  • File sharing
  • Search
  • Integrations
  • Cross-platform support
Stream Chat
Stream Chat Features
  • Real-time messaging
  • Cross-platform support
  • Customizable UI
  • Message history
  • Typing indicators
  • Read receipts
  • Media attachments
  • Push notifications
  • Group channels
  • Role-based permissions
  • Moderation tools
  • Translation
  • Sentiment analysis
  • Analytics

Pros & Cons Analysis

Mattermost
Mattermost
Pros
  • Open source
  • Self-hosted
  • Highly customizable
  • Strong security
  • Active development community
Cons
  • Requires technical expertise to setup and manage
  • Limited native mobile apps
  • Less third-party integrations than proprietary options
Stream Chat
Stream Chat
Pros
  • Easy integration
  • Scalable infrastructure
  • Feature-rich APIs
  • Attractive UI components
  • Good documentation
  • Active community support
Cons
  • Can get pricey at higher usage tiers
  • Limited customization options for free tier
  • Not as flexible as building chat from scratch

Pricing Comparison

Mattermost
Mattermost
  • Freemium
Stream Chat
Stream Chat
  • Not listed

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Learn More About Each Product

Mattermost
Mattermost
Reviews, pricing & alternatives →
Stream Chat
Stream Chat
Reviews, pricing & alternatives →

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