PrometheusMail vs Superhuman

PrometheusMail vs Superhuman: client-facing team or solo speed?

Superhuman is a fast email client with AI features for individuals. PrometheusMail is an AI platform for teams managing client work.

Quick answer

PrometheusMail

Choose PrometheusMail if you’re a team (5–30 people) and you want AI email + CRM + team chat together, with EU data residency and per-company pricing.

Superhuman

Choose Superhuman if you’re a power user or executive who values keyboard shortcuts and a refined personal email experience above all.

Superhuman is widely loved by power users for its speed, keyboard shortcuts, and refined UI. Its AI features (Superhuman AI) help you draft and triage email faster as an individual. PrometheusMail solves a different problem: how does a 10-person agency stop drowning in client email without paying per-seat for five different tools?

Where Superhuman charges $30/user/month and processes AI requests through OpenAI, PrometheusMail charges per company, runs its own AI on EU servers, and bundles CRM and team chat into the platform. For an agency, that often turns into both a cost saving and a compliance win.

Feature comparison

Feature	PrometheusMail	Superhuman
AI email drafting	✓	✓
Keyboard shortcuts / speed-optimized UI	Standard	Best in class
AI runs on own infrastructure	Llama 3.3, Frankfurt	Uses OpenAI
Data residency	EU only	OpenAI servers (US)
Built-in CRM	✓	—
Team chat	✓	—
Shared inbox / team collaboration	✓	Limited (Superhuman for Teams)
Knowledge base for AI context	✓	—
Autonomy modes (manual/semi-auto/autopilot)	3 modes	Drafts only
Per-company pricing	✓	—
Per-seat pricing	—	✓
Best for	Client-facing teams	Solo power users

Pricing

PrometheusMail

Per company — Starter $49/mo, Pro $129/mo, Business $249/mo.

Superhuman

Per user — $30/month per user. A 10-person agency pays $300/mo just for email.

For a 10-person agency, PrometheusMail Pro ($129/mo) replaces Superhuman ($300/mo) plus a CRM ($50–$200/mo) plus team chat ($60–$120/mo). Total savings: $300–$500+/mo.

When each fits

When to choose PrometheusMail

You’re a client-facing team and email is shared, not personal
You want one tool for email + CRM + team chat
EU data residency matters for your clients
You want predictable pricing that doesn’t scale per seat

When to choose Superhuman

You’re a solo power user, founder, or exec
Keyboard speed and personal email aesthetics are priority
You’re fine with US-hosted AI processing
You don’t need team-level CRM or chat

Frequently asked questions

Is PrometheusMail a Superhuman alternative for teams?

Yes. Superhuman is designed for individual power users; PrometheusMail is built for teams managing client communication. If your email is a team activity (agencies, support teams, PR firms), PrometheusMail will fit better.

Does Superhuman use OpenAI?

Yes. Superhuman AI uses OpenAI for drafting and triage, which means your email content is processed on US servers. PrometheusMail runs its own Llama 3.3 on EU servers — your data never leaves the EU.

Is PrometheusMail as fast as Superhuman?

Superhuman has the best keyboard-driven UI in email — we won’t pretend otherwise. PrometheusMail focuses on team workflows and AI automation, so its speed advantage comes from the AI doing more work, not from shaving milliseconds off keyboard shortcuts.

Which is cheaper for a 10-person team?

PrometheusMail Pro ($129/mo) versus Superhuman at 10 seats ($300/mo). PrometheusMail is cheaper, and it bundles CRM + team chat that you’d otherwise pay for separately.

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