Compare
Metis, side by side.
Metis Suite is an open-source email, calendar and drive client you can self-host, with an AI agent on the model you choose and a built-in MCP server. Here is how it compares with the clients and AI assistants people weigh it against, with every fact sourced from the vendor's own pages.
Metis vs Superhuman
A hosted, keyboard-driven email and calendar client for Gmail and Outlook accounts.
See the comparisonMetis vs Shortwave
A hosted AI email client for Gmail and Google Workspace accounts.
See the comparisonMetis vs Inbox Zero
An AI email assistant that runs rules in the background on Gmail and Outlook accounts.
See the comparisonMetis vs Thunderbird
Mozilla's free, open-source email and calendar app for desktop and Android.
See the comparisonMetis vs Mailspring
A native desktop email client for macOS, Windows and Linux.
See the comparisonMetis vs Roundcube
A long-running, self-hosted webmail client for IMAP servers.
See the comparisonMetis vs Gmail with Gemini
Google's hosted email service with Gemini AI, through Google AI plans or Google Workspace.
See the comparisonMetis vs Outlook with Copilot
Microsoft's email and calendar app with Copilot AI, through Microsoft 365 plans.
See the comparison