Alternatives

Alternatives to Superhuman Mail

5 Email Clients & Email AI rivals, ranked by the same evidence-graded leaderboard — Superhuman Mail itself ranks #4 with a PA Score of 24/100. Every “beats Superhuman Mail on” below comes from a judged head-to-head round with cited evidence — see the methodology.

#1
AgentMail
AgentMail
PA Score 46/100vs Superhuman Mail →
coverage
31.5/100
Beats Superhuman Mail on: Point an agent at llms.txt or agent-oriented docs · Subscribe to events via webhooks
#2
Zero
Zero Email Inc. (Mail-0 open-source project)
PA Score 28/100vs Superhuman Mail →
coverage
23.2/100
Beats Superhuman Mail on: Self-host the core product · Read the product's source under an open license
#3
Missive
Missive (Conference Badge Inc.)
PA Score 24/100vs Superhuman Mail →
coverage
26.2/100
Beats Superhuman Mail on: Plug MCP servers into this product so it can use their tools · My team works shared inboxes together — shared accounts or team channels where everyone sees the same conversation state
#5
Shortwave
Shortwave (ex-Google Inbox team)
PA Score 22/100vs Superhuman Mail →
coverage
24.7/100
Beats Superhuman Mail on: Plug MCP servers into this product so it can use their tools · Schedule an email to send later and undo a send within a grace window
#6
Fastmail
Fastmail Pty Ltd
PA Score 14/100vs Superhuman Mail →
coverage
17.8/100
Beats Superhuman Mail on: My mail stays reachable over open protocols and standard formats — IMAP/JMAP/SMTP access and standards-based export — so no client can lock me in · Schedule an email to send later and undo a send within a grace window

Full leaderboard: Email Clients & Email AI arena →