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What matters most?

Core capabilities carry 32 points; workflow depth carries 68. AI contributes the category-specific weight shown below within those totals. Change group priorities and see every contribution update.

How the score is calculated →

Campaign creation 20% base weightAudience segmentation 20% base weightTriggered email journeys 16% base weightReporting and connected data 12% base weightAI assistance and optimization 14.5% base weightOperational detail 17.5% base weight

Documented fit across available plans · unknowns shown as ranges · no customer ratings

Show checksShowing fewer rows does not change the score.

Email marketing evidence comparison
Features & decision context	Mailchimp 69–100/100 documented fit 69% evidence coverage Core capabilities32 / 32 pts10/10 checks with established status Workflow depth37.1–68 / 68 pts9/18 checks with established status	Klaviyo 61–100/100 documented fit 61% evidence coverage Core capabilities32 / 32 pts10/10 checks with established status Workflow depth28.8–68 / 68 pts6/18 checks with established status
How AI changes fitSame priorities, with and without AI	69–100 with AI67–100 without AIFeature-fit points; not measured ROI	61–100 with AI57–100 without AIFeature-fit points; not measured ROI
Supplier website	Visit Mailchimp	Visit Klaviyo
Good fit for	Small and growing teams that want email creation, connected store data and familiar integrations in one workspace.	Retail teams that want customer behavior and multiple lifecycle channels in a shared data model.
Look more closely when	You need SMS included in the email subscription or advanced AI on the entry plan.	You need every service, AI action and messaging channel included in a single fixed fee.
Pricing snapshotDifferent billing units are not directly comparable	$13.00per month Essentials starts at $13/month for 500 contacts and a send allowance of 10 times the contact tier. Temporary introductory discounts are excluded. Pricing source	See pricingper month Profile/email subscriptions plus destination- and channel-specific mobile usage. Obtain the current USD quote or account rate card; live public pricing localized outside the US. Pricing source
Campaign creation 20% base weight
Core capabilityEmail editor and templatesBuild an email using a visual editor or reusable templates.	Supported4 / 4 pts Available; advanced content/targeting/reporting require eligible plans. Official documentation · Oct 15, 2026Source	Supported4 / 4 pts Visual editor includes profile-based conditional content. Official documentation · Oct 15, 2026Source
Core capabilityPersonalized email contentInsert contact or customer data into email content.	Supported4 / 4 pts Available; advanced content/targeting/reporting require eligible plans. Official documentation · Oct 15, 2026Source	Supported4 / 4 pts Visual editor includes profile-based conditional content. Official documentation · Oct 15, 2026Source
Depth checkPreview real recipient contentPreview or test personalized content with a selected recipient before release. Ask for a demonstration Show a test contact with missing and populated fields and inspect the resulting email. A scenario to run with the supplier; not a completed product test.	Supported5.6 / 5.6 pts Contact preview resolves merge fields before sending. Official documentation · Oct 15, 2026Source	Not verified0–5.6 / 5.6 pts This specific workflow has not been established by the reviewed evidence. Not verified · Oct 15, 2026Source
Depth checkControlled email experimentsSplit a campaign audience between content or subject variants and inspect each result. Ask for a demonstration Create a two-variant test and show how recipients and the winning result are determined. A scenario to run with the supplier; not a completed product test.	Supported6.4 / 6.4 pts Tests compare audience splits and separate variant results. Official documentation · Oct 15, 2026Source	Supported6.4 / 6.4 pts Random flow splits compare message variants and paths. Official documentation · Oct 15, 2026Source
Audience segmentation 20% base weight
Core capabilityBehavior and attribute filtersSelect contacts using engagement, profile or purchase conditions.	Supported4 / 4 pts Available; advanced content/targeting/reporting require eligible plans. Official documentation · Oct 15, 2026Source	Supported4 / 4 pts Customer behavior and commerce data drive connected channels. Official documentation · Oct 15, 2026Source
Core capabilityAutomatically updated audiencesKeep saved audiences current as contact behavior or attributes change.	Supported4 / 4 pts Advanced segments refresh automatically when used; Standard or higher. Official documentation · Oct 15, 2026Source	Supported4 / 4 pts Segments auto-update; relative-time conditions may update daily. Official documentation · Oct 15, 2026Source
Depth checkTime-bounded behavioral exclusionsMaintain an audience combining a recent engagement window with a purchase exclusion. Ask for a demonstration Build clicked-in-30-days AND not-purchased, then show how membership changes after purchase. A scenario to run with the supplier; not a completed product test.	Supported5.6 / 5.6 pts Advanced segments combine nested engagement and purchase conditions. Official documentation · Oct 15, 2026Source	Not verified0–5.6 / 5.6 pts This specific workflow has not been established by the reviewed evidence. Not verified · Oct 15, 2026Source
Depth checkCross-campaign contact pressurePrevent overlapping email campaigns or journeys from repeatedly contacting the same person within a configured window. Ask for a demonstration Schedule two eligible messages close together and show the rule that suppresses or delays the second. A scenario to run with the supplier; not a completed product test.	Not verified0–6.4 / 6.4 pts This specific workflow has not been established by the reviewed evidence. Not verified · Oct 15, 2026Source	Supported6.4 / 6.4 pts Smart Sending suppresses overlapping emails within the configured window. Official documentation · Oct 15, 2026Source
Triggered email journeys 16% base weight
Core capabilityEvent-triggered emailStart a welcome or follow-up email from a contact event.	Supported3.2 / 3.2 pts Automation flows; lower tiers restrict steps. Official documentation · Oct 15, 2026Source	Supported3.2 / 3.2 pts Customer behavior and commerce data drive connected channels. Official documentation · Oct 15, 2026Source
Core capabilityDelays and conditional journey pathsWait between steps and choose a path using a condition.	Supported3.2 / 3.2 pts Automation flows; lower tiers restrict steps. Official documentation · Oct 15, 2026Source	Supported3.2 / 3.2 pts Flow branches support conditions, time delays and test paths. Official documentation · Oct 15, 2026Source
Depth checkRecheck conversion before follow-upRecheck purchase or conversion eligibility after a delay so converted customers avoid an irrelevant follow-up. Ask for a demonstration Let a test contact purchase during a delay and show which next message is skipped. A scenario to run with the supplier; not a completed product test.	Supported4.8 / 4.8 pts Store-connected flows support conversion exits and repeat-entry settings. Official documentation · Oct 15, 2026Source	Supported4.8 / 4.8 pts Cart flows recheck purchase filters before subsequent messages. Official documentation · Oct 15, 2026Source
Depth checkInspect individual journey progressInspect a contact’s current or completed steps and the reason for a skipped or waiting email. Ask for a demonstration Open one test participant and explain the wait, branch, or skip shown in its history. A scenario to run with the supplier; not a completed product test.	Not verified0–4.8 / 4.8 pts This specific workflow has not been established by the reviewed evidence. Not verified · Oct 15, 2026Source	Not verified0–4.8 / 4.8 pts This specific workflow has not been established by the reviewed evidence. Not verified · Oct 15, 2026Source
Reporting and connected data 12% base weight
Core capabilityCampaign engagement reportingInspect delivery and recipient engagement in campaign reports.	Supported2.4 / 2.4 pts Available; advanced content/targeting/reporting require eligible plans. Official documentation · Oct 15, 2026Source	Supported2.4 / 2.4 pts Campaign/flow reporting includes conversions and CSV exports. Official documentation · Oct 15, 2026Source
Core capabilityReporting export or data APIRetrieve campaign or contact results outside the reporting screen.	Supported2.4 / 2.4 pts Marketing API exposes campaign product purchases and revenue. Official documentation · Oct 15, 2026Source	Supported2.4 / 2.4 pts Campaign/flow reporting includes conversions and CSV exports. Official documentation · Oct 15, 2026Source
Depth checkPortable recipient-level resultsExport or query delivery and engagement records linked to identifiable contacts for external analysis. Ask for a demonstration Retrieve campaign results for individual contacts and show the contact identifiers in the export or API. A scenario to run with the supplier; not a completed product test.	Not verified0–3.2 / 3.2 pts This specific workflow has not been established by the reviewed evidence. Not verified · Oct 15, 2026Source	Not verified0–3.2 / 3.2 pts This specific workflow has not been established by the reviewed evidence. Not verified · Oct 15, 2026Source
Depth checkExplainable conversion attributionInspect and adjust the attribution window or engagement rule used to assign conversions to email. Ask for a demonstration Change a conversion lookback or qualifying interaction and explain what reported revenue includes. A scenario to run with the supplier; not a completed product test.	Not verified0–4 / 4 pts This specific workflow has not been established by the reviewed evidence. Not verified · Oct 15, 2026Source	Supported4 / 4 pts Configurable channel windows and qualifying interactions determine conversion attribution. Official documentation · Oct 15, 2026Source
AI assistance and optimization 14.5% base weight
Core capabilityAI email creationGenerate or revise email content or design with AI.	Supported2.4 / 2.4 pts AI content tools; eligible plan required. Official documentation · Oct 15, 2026Source	Supported2.4 / 2.4 pts Composer creates campaigns; task credits apply. Official documentation · Oct 15, 2026Source
Core capabilityAI analysis or send optimizationUse campaign data for AI insights, recommendations or send timing.	Supported2.4 / 2.4 pts Send optimization and campaign/store insights. Official documentation · Oct 15, 2026Source	Supported2.4 / 2.4 pts Composer audits campaigns and segments; task credits apply. Official documentation · Oct 15, 2026Source
Depth checkAI analysis grounded in account dataAsk AI to analyze actual campaign or audience data rather than generate an ungrounded general suggestion. Ask for a demonstration Ask about a named campaign’s weak segment and inspect the underlying figures used. A scenario to run with the supplier; not a completed product test.	Supported3.2 / 3.2 pts Analytics AI analyzes connected store and campaign performance. Official documentation · Oct 15, 2026Source	Supported3.2 / 3.2 pts Composer audits existing campaigns, segments and journeys with explanatory findings. Official documentation · Oct 15, 2026Source
Depth checkReview before AI publicationKeep AI-generated or AI-edited campaign changes subject to an explicit review or confirmation before publishing or sending. Ask for a demonstration Ask the AI to change and send an email, and show the confirmation or draft boundary before release. A scenario to run with the supplier; not a completed product test.	Supported4 / 4 pts Write with AI inserts reviewed suggestions into an editable draft. Official documentation · Oct 15, 2026Source	Supported4 / 4 pts Composer audit is advisory: changes must be reviewed and applied by the marketer. Official documentation · Oct 15, 2026Source
Depth checkRead campaign reports through an MCP AI connectorDemonstrate "Read campaign reports through an MCP AI connector" with test data. Show the result, an exception case, and the required plan. Ask for a demonstration Demonstrate "Read campaign reports through an MCP AI connector" with test data. Show the result, an exception case, and the required plan. A scenario to run with the supplier; not a completed product test.	Not verified0–2.5 / 2.5 pts This specific check has not been verified. Missing evidence does not mean the capability is absent. Ask for a demonstration in the proposed plan. Not verified · Oct 21, 2026Source	Not verified0–2.5 / 2.5 pts This specific check has not been verified. Missing evidence does not mean the capability is absent. Ask for a demonstration in the proposed plan. Not verified · Oct 21, 2026Source
Operational detail 17.5% base weight
Depth checkRender previews in multiple email clientsDemonstrate "Render previews in multiple email clients" with test data. Show the result, an exception case, and the required plan. Ask for a demonstration Demonstrate "Render previews in multiple email clients" with test data. Show the result, an exception case, and the required plan. A scenario to run with the supplier; not a completed product test.	Supported2.5 / 2.5 pts Litmus-powered Inbox Preview renders selected email clients and devices. Paid monthly Marketing plan; 25 preview tokens per billing cycle; each generated or updated client preview consumes a token. Official documentation · Oct 21, 2026Source	Not verified0–2.5 / 2.5 pts This specific check has not been verified. Missing evidence does not mean the capability is absent. Ask for a demonstration in the proposed plan. Not verified · Oct 21, 2026Source
Depth checkCheck broken links before sendingInsert one valid link and one broken link in a draft. Run the checker and show which link types it cannot check. Ask for a demonstration Insert one valid link and one broken link in a draft. Run the checker and show which link types it cannot check. A scenario to run with the supplier; not a completed product test.	Supported2.5 / 2.5 pts Link Checker tests campaign links but excludes merge-tag links, anchors and mailto addresses. Confirm builder and local plan entitlement; excluded link types still require manual checks. Official documentation · Oct 21, 2026Source	Not verified0–2.5 / 2.5 pts This specific check has not been verified. Missing evidence does not mean the capability is absent. Ask for a demonstration in the proposed plan. Not verified · Oct 21, 2026Source
Depth checkRun a pre-send spam-content checkDemonstrate "Run a pre-send spam-content check" with test data. Show the result, an exception case, and the required plan. Ask for a demonstration Demonstrate "Run a pre-send spam-content check" with test data. Show the result, an exception case, and the required plan. A scenario to run with the supplier; not a completed product test.	Not verified0–2.5 / 2.5 pts This specific check has not been verified. Missing evidence does not mean the capability is absent. Ask for a demonstration in the proposed plan. Not verified · Oct 21, 2026Source	Not verified0–2.5 / 2.5 pts This specific check has not been verified. Missing evidence does not mean the capability is absent. Ask for a demonstration in the proposed plan. Not verified · Oct 21, 2026Source
Depth checkPreview email in dark modeDemonstrate "Preview email in dark mode" with test data. Show the result, an exception case, and the required plan. Ask for a demonstration Demonstrate "Preview email in dark mode" with test data. Show the result, an exception case, and the required plan. A scenario to run with the supplier; not a completed product test.	Supported2.5 / 2.5 pts Inbox Preview includes supported Apple Mail, Outlook and mobile dark-mode clients. Paid monthly Marketing plan; 25 preview tokens per billing cycle; each generated or updated client preview consumes a token. Official documentation · Oct 21, 2026Source	Not verified0–2.5 / 2.5 pts This specific check has not been verified. Missing evidence does not mean the capability is absent. Ask for a demonstration in the proposed plan. Not verified · Oct 21, 2026Source
Depth checkEdit the plain-text email alternativeDemonstrate "Edit the plain-text email alternative" with test data. Show the result, an exception case, and the required plan. Ask for a demonstration Demonstrate "Edit the plain-text email alternative" with test data. Show the result, an exception case, and the required plan. A scenario to run with the supplier; not a completed product test.	Not verified0–2.5 / 2.5 pts This specific check has not been verified. Missing evidence does not mean the capability is absent. Ask for a demonstration in the proposed plan. Not verified · Oct 21, 2026Source	Not verified0–2.5 / 2.5 pts This specific check has not been verified. Missing evidence does not mean the capability is absent. Ask for a demonstration in the proposed plan. Not verified · Oct 21, 2026Source
Depth checkSet alternative text for email imagesDemonstrate "Set alternative text for email images" with test data. Show the result, an exception case, and the required plan. Ask for a demonstration Demonstrate "Set alternative text for email images" with test data. Show the result, an exception case, and the required plan. A scenario to run with the supplier; not a completed product test.	Not verified0–2.5 / 2.5 pts This specific check has not been verified. Missing evidence does not mean the capability is absent. Ask for a demonstration in the proposed plan. Not verified · Oct 21, 2026Source	Not verified0–2.5 / 2.5 pts This specific check has not been verified. Missing evidence does not mean the capability is absent. Ask for a demonstration in the proposed plan. Not verified · Oct 21, 2026Source
Depth checkAutomatically append campaign UTM parametersDemonstrate "Automatically append campaign UTM parameters" with test data. Show the result, an exception case, and the required plan. Ask for a demonstration Demonstrate "Automatically append campaign UTM parameters" with test data. Show the result, an exception case, and the required plan. A scenario to run with the supplier; not a completed product test.	Not verified0–2.5 / 2.5 pts This specific check has not been verified. Missing evidence does not mean the capability is absent. Ask for a demonstration in the proposed plan. Not verified · Oct 21, 2026Source	Not verified0–2.5 / 2.5 pts This specific check has not been verified. Missing evidence does not mean the capability is absent. Ask for a demonstration in the proposed plan. Not verified · Oct 21, 2026Source
AI usage and limits	Content assistance and send-time recommendations are complemented by Analytics AI on Standard/Premium. Some action-oriented features are explicitly marked coming soon. Analytics AI and assistant connectors require eligible plans Coming-soon features are excluded from this assessment AI documentation	Composer is an AI marketing agent that audits or creates segments and campaigns; credit consumption depends on task size and complexity. Credit-based usage with no rollover Other AI and service products may be billed separately AI documentation
Additional costs to ask about	Contact and email overages SMS credits and additional numbers Higher plans for advanced AI and reporting	Mobile messaging by delivered message/segment Composer usage credits Helpdesk and other separately billed products
Integration shortlist	Shopify WooCommerce Zapier Salesforce	Gorgias Zendesk Commerce data integrations
Research date	Oct 15, 2026 Full source record →	Oct 15, 2026 Full source record →

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Mailchimp

Klaviyo

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