Mailchimp charges $20/month for 500 contacts. Brevo charges $9/month for 5,000 contacts. That's the same price for 10× the list size. Here's the complete comparison.
This is the key table. Brevo charges based on emails sent per month; Mailchimp charges based on contacts stored. This means Brevo heavily favors businesses with large lists but low send frequency.
Brevo pricing assumes emails sent = contacts × 10 sends/month. Mailchimp Essentials shown. At 50K+ contacts, the pricing gap narrows significantly and Mailchimp's e-commerce features may justify the cost for high-volume senders.
Key structural difference: Brevo stores unlimited contacts and charges only for emails sent. Mailchimp charges for contacts stored, regardless of whether you email them. If you have a 10,000-contact list but only email 3,000 active subscribers monthly, Mailchimp still charges you for all 10,000.
Mailchimp has raised prices 100%+ since 2021. Brevo is growing fast and will face its own pricing pressure. Know before the next increase hits your account.
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Brevo's pricing advantage is real, but migration isn't free. Here's what you're actually signing up for:
Migration time estimate: Simple lists with basic campaigns: 4–8 hours. Complex automation-heavy setups: 2–5 days. For most SMBs, the migration cost pays back in 1–3 months of Brevo savings.