Email Marketing Cost for 100,000 Subscribers
Six-figure audience benchmark: compare annual ESP contracts before signing an enterprise renewal.
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beehiiv
Launch (Free) & Scale Plan
$299 /mo
$3,588/yr bill
Brevo
Starter / Business (Send-Volume)
$449 /mo
$5,388/yr bill
Kit (ConvertKit)
Newsletter (Free) & Creator Plan
$579 /mo
$6,948/yr bill
Mailchimp
Standard Plan
$800 /mo
$9,600/yr bill
tier_takeaway.note
At 100,000 subscribers, beehiiv ($299/mo) saves $6,012/year over Mailchimp ($800/mo) and $12,012/year over Klaviyo ($1,300/mo).
Subscriber tier price curve (1,000 to 100,000 contacts)
Monthly base subscription rates as your email list grows—check steep bracket jumps before migrating.
| Platform | 1,000 | 5,000 | 10,000 | 25,000 | 50,000 | 100,000 |
|---|---|---|---|---|---|---|
beehiiv | $0/mo | $49/mo | $79/mo | $119/mo | $199/mo | $299/mo |
| Brevo | $9/mo | $29/mo | $55/mo | $119/mo | $229/mo | $449/mo |
| Kit (ConvertKit) +3.5% paid rev cut | $29/mo | $79/mo | $119/mo | $199/mo | $319/mo | $579/mo |
| Mailchimp | $45/mo | $100/mo | $135/mo | $270/mo | $410/mo | $800/mo |
beehiiv billing details
Best for: Media brands and paid newsletters scaling via ad network, boosts, and 0% subscription cuts
0% cut on paid memberships (only standard Stripe fees apply), making it thousands cheaper than Substack once paid subs grow.
Brevo billing details
Best for: Businesses with large contact lists that send 1–4 newsletters per month
Free tier allows unlimited contacts but caps sending at 300 emails/day; paid tiers charge strictly by monthly email volume.
Kit (ConvertKit) billing details
Best for: Course creators, authors, and coaches needing multi-sequence automations and digital product sales
Newsletter plan is $0 up to 10,000 subscribers (limited to 1 basic sequence); multi-step automations require the Creator plan above.
Mailchimp billing details
Best for: Legacy marketing teams already integrated with Mailchimp templates
Mailchimp bills you for unsubscribed and non-subscribed contacts stored in your audience unless you manually archive them.
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Common questions
What is the cheapest email platform here at 100,000 subscribers?
At 100,000 contacts, beehiiv costs $299.00/month compared to $800.00/month on Mailchimp—saving $6012/year.
Why do some email tools bill for unsubscribed contacts?
Audience-based tools like Mailchimp and Klaviyo count active or unarchived profiles toward your tier bracket, whereas send-volume tools like Brevo store contacts free and bill only for monthly emails sent.
When does Substack 10% become more expensive than beehiiv or Ghost?
Once gross paid subscription revenue crosses ~$490/month (49 subscribers paying $10/mo), Substack's 10% platform fee exceeds a flat $49/month beehiiv Scale subscription—and the gap widens with every new paid reader.

