Now in public beta

Your inbox,
sorted by what matters

Sieve auto-classifies every inbox email into priority, promos, scams, and social using AI.

Sieve connects to Gmail and classifies new mail into custom categories — priority, promotions, phishing attempts, newsletters, social. It uses a language model that understands context, so it can tell a real order confirmation from a phishing attempt even when both mention "your package." Free tier gets you started with rule-based classification for up to 50 synced emails. Pro adds AI classification at $6.99/mo.

Free tier available. No credit card required.

5 classification categories
Read-only Gmail access
No email content stored
Cancel anytime

Classification that just works

Rules handle the obvious. AI handles the rest. You handle what matters.

Smart Classification

Five categories out of the box — Important, Transactional, Promotional, Newsletter, and Notification. Powered by header analysis, keyword scoring, and sender patterns.

AI Fallback

When rules aren't confident enough, AI classifies the email. You get speed by default, accuracy when it counts.

Daily Digest

A morning summary of your important emails. Set your preferred time and frequency — daily or weekly. Never miss what matters.

Three steps to clarity

No complicated setup. No configuration. Just connect and go.

01

Connect

Sign in with Google. We request read-only access to your Gmail — nothing else.

02

Classify

Your inbox is analyzed instantly. Rules handle most emails, AI steps in for the rest.

03

Control

Set sender rules, configure digests, and focus on the emails that actually matter.

Simple, honest pricing

One plan. Cancel anytime. No contracts.

Free
$0/ forever

Get started with rule-based classification.

  • Rule-based classification
  • 5 category sorting
  • Up to 50 synced emails
  • Basic filters
Recommended
Pro
$6.99/ month

Everything in Free, plus AI and unlimited sync.

  • Everything in Free
  • AI classification fallback
  • Unlimited email sync
  • Daily digest emails
  • Custom sender rules
  • 500 AI classifications / month

Sieve vs SaneBox vs Clean Email vs Shortwave

FeatureSieveSaneBoxClean EmailShortwave
AI-based classificationYesRule-trainedRule-basedYes
Free tierYes (50 synced emails)No (14-day trial)Yes (limited)Yes (limited)
Works with existing Gmail UIYes (labels + archive)YesYesNo (own app)
Paid plan starts at$6.99/mo$7/mo$10/mo$9/mo

Frequently Asked Questions

How does Sieve classify email differently from Gmail filters?
Gmail filters are rule-based — they only match what you explicitly define (sender, subject, keyword). Sieve uses an AI model that understands context, so it can distinguish a legitimate order confirmation from a phishing attempt even when both mention "your package."
Is Sieve a SaneBox competitor?
Yes. SaneBox is rule-trained over time and costs $7-$36/mo. Sieve uses a language model for classification, handles scam detection natively, and has a free tier for up to 50 synced emails. Both connect via OAuth, neither stores email content long-term.
Does Sieve read my emails?
Sieve reads email headers and subject lines to classify. For category-ambiguous messages, it reads the first few lines of the body. Nothing is stored beyond the classification label — email contents are not retained after the classification decision.
Does Sieve work with Outlook?
Gmail is live today. Outlook support is on the roadmap — the same OAuth + classification pipeline will work once Microsoft Graph integration is enabled.
How much does Sieve cost?
Free tier: rule-based classification for up to 50 synced emails. Pro: $6.99/mo for AI classification fallback, unlimited email sync, daily digest, and 500 AI classifications per month. No per-message fees, no contracts, cancel anytime.

Ready to clean up your inbox?

Join the beta. Start classifying in under 30 seconds.