Both vendors' own published rules, run against the same contacts and send volume, with the promo traps and bracket rules that a vendor's own pricing page does not put side by side.
Klaviyo checked September 4, 2026, Mailchimp checked September 7, 2026. Both vendors set their own prices and can change them any time.
100,000 sends included, fixed to this bracket.
100,000 sends included on this plan.
Monthly list pricing on both sides. Neither figure is a promo, and neither is extrapolated past its own published ladder.
1 line each, every point resolved by the same pricing engine the calculator below runs. Mailchimp's line follows whichever of its 3 plans is cheapest at that contact count, the same rule every other figure on this page uses, so a step in its line can be a plan change as well as a bracket change.
The dotted line marks 10,000 contacts, and each price beside a vendor above is that vendor at that point. Lines show the monthly list price at 2 emails per contact a month. A line that stops has run past that vendor’s own published ladder; nothing here is extrapolated. Move the calculator further down the page and the marked position moves with it.
Monthly list pricing, computed once for each fixed point below, not re-run interactively.
| Workload | Klaviyo | Mailchimp |
|---|---|---|
| 1,000 contacts / 5,000 sends | $30.00/mo | $22.72/mo |
| 5,000 contacts / 40,000 sends | $100.00/mo | $57.97/mo |
| 10,000 contacts / 80,000 sends | $150.00/mo | $85.38/mo |
| 25,000 contacts / 150,000 sends | $400.00/mo | $211.50/mo |
| 50,000 contacts / 300,000 sends | $720.00/mo | $289.84/mo |
Scroll the table sideways to see every column.
Pricing tells you the bill. It does not tell you what building the thing actually takes. Here is the same task, checked against both vendors' own help documentation, with the plan or condition each one needs.
Both vendors document a native trigger for this task, so the question is not whether it is possible, it is which plan holds it. Klaviyo’s abandoned-checkout flow is available on every paid tier because flows are not plan-gated there; on Mailchimp the same sequence is only fully buildable once you are on Standard or Premium, since Essentials caps a whole flow at 4 steps.
Both natively support segmenting by what someone bought and how much they spent, once a store is connected; neither makes you buy a separate segmentation product for it. Klaviyo’s predictive conditions are gated by how much order history the account has, not by plan tier.
This is the one task where the honest finding is similarity, not a difference: both report the same core numbers, open rate, click rate and revenue. The documented gap is one click, not one capability. Klaviyo surfaces open and click rate on the campaign list itself; Mailchimp shows the same figures one level in, on the campaign’s own report.
2 recommendations, not 1 ranking: which one fits depends on which of the reasons below is actually yours.
Scoped to just Klaviyo and Mailchimp, so this stays a comparison between those two and not a wider pitch.
The buttons above fill this in from your contact count. 4x means 4 emails a month per contact.
We use the audience number entered above as the billable contact, profile or subscriber count for each platform. Vendors define billable audiences differently, and a real count after migration can differ.
| Vendor | Estimated price | Plan | Fits workload | Pricing basis | Details |
|---|---|---|---|---|---|
| MailchimpLowest costPromo available | $85.38/mo | Essentials | Fits | By contacts | |
How this number was worked out
What makes this bill go up nextGrows to $148.05/mo at 15,000 contacts. Promo available$72.57/mo promotional price. "Save 15%": 15% off the monthly base price at 10,000+ contacts, first 12 months, new customers only (or Free customers within 90 days of account creation). Ends immediately if contacts drop below 10,000. 1 per account. List price with the published 15% discount applied. Not compared above: promo prices never sort and never earn the lowest-cost badge. VerificationChecked September 7, 2026. | |||||
| Klaviyo | $150.00/mo | Marketing (Email) | Fits | By contacts | |
How this number was worked out
What makes this bill go up nextGrows to $175/mo at 10,500 contacts. VerificationChecked September 4, 2026. | |||||
Pricing is not feature equivalence. These estimates show what each platform charges for the workload you entered. Plans can include different automation, segmentation, SMS, support, ecommerce, and other features.
Curious how either compares against OnVoard specifically? Klaviyo vs OnVoard or Mailchimp vs OnVoard, or see every vendor at once in the full pricing calculator.
At 10,000 contacts and 20,000 sends/mo, Mailchimp's Essentials plan ($85.38/mo) prices below Klaviyo ($150.00/mo). That ranking is not fixed across every contact count; see the chart and the static examples above for other workloads.
No. The 15% discount only applies at 10,000+ contacts, for the first 12 months, to new customers (or free customers within 90 days), and it ends immediately if contacts drop below 10,000. It is real, but it is a promo, not the list price, so it is never used to decide which vendor is cheapest on this page.
Both price on active contact brackets, but the included-sends multiple differs: Klaviyo is a flat 10x across its whole ladder. Mailchimp's multiple changes by plan, from 10x on Essentials up to 15x on Premium, so the same contact count can include a different number of sends depending which Mailchimp plan you are on.
Both ladders were read directly off each vendor's own public pricing page and re-verified independently; see Sources below. Klaviyo was checked September 4, 2026, Mailchimp September 7, 2026.
Set your contacts and sends in the calculator above, or compare both against OnVoard below.