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Software · head to head

Paychex Flex vs Stampli

Paychex Flex logo

Paychex Flex

Software

Payroll and HR solutions that grow with you

From
$39/month
Rated
-
Full reviewWebsite
Stampli logo

Stampli

Software

AI-powered accounts payable automation

From
$29/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Paychex Flex paychex publishes no rate card for Paychex Flex: the payroll page names the Select, Pro and Enterprise packages but gives no per employee fee, no base monthly fee and no setup fee; Stampli pricing is by quote only: the pricing page publishes no rate, no minimum and no cost driver, offering only a Request a Quote form
  • They diverge on capability: Paychex Flex covers Payroll Processing, Stampli covers AI invoice processing.

Where they differ

Only the attributes on which Paychex Flex and Stampli actually diverge.

Attributes where Paychex Flex and Stampli differ
AttributePaychex FlexStampli
Starting price$39/month$29/month
Pricing modelquotesubscription
Founded19712014

Identical on both: free tier (No), platforms (Web, Ios, Android), user rating (Not yet rated), category (Unknown).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Paychex Flex

  • Payroll Processing
  • Tax Administration
  • HR Services
  • Benefits Administration
  • Time and Attendance
  • Retirement Services
  • Xero
  • Sage

Only in Stampli

  • AI invoice processing
  • Approval workflows
  • Vendor management
  • Payment processing
  • Audit trails
  • NetSuite
  • Sage Intacct
  • Microsoft Dynamics

Both cover

  • QuickBooks
  • Web support
  • Ios support
  • Android support

What people use each for

The jobs each tool is most often brought in to do.

Paychex Flex

  • Running payroll and filing payroll taxes for small and mid sized US businessesnot Stampli
  • Combining payroll with benefits administration and HR services from one vendornot Stampli
  • Handling multi state payroll compliance and year end tax formsnot Stampli

Stampli

  • Automating accounts payable invoice capture and codingnot Paychex Flex
  • Routing invoice approvals with discussion held against each invoicenot Paychex Flex
  • Paying suppliers and issuing virtual cards from the AP workflownot Paychex Flex

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Paychex Flex

  • Paychex publishes no rate card for Paychex Flex: the payroll page names the Select, Pro and Enterprise packages but gives no per employee fee, no base monthly fee and no setup fee
  • Pricing is obtained only by requesting a quote or calling sales
  • Product capability is split across three packages, so features are tied to a tier whose price is not disclosed

Stampli

  • Pricing is by quote only: the pricing page publishes no rate, no minimum and no cost driver, offering only a Request a Quote form
  • Payments and card products are sold alongside the core AP automation rather than being separately priced on the public site

Pricing, plan by plan

Paychex Flex

$39/month
  • Essentials$39/month
    • Payroll Processing
    • Tax Services
    • Direct Deposit
  • Select$undefined/month
    • All Essentials features
    • HR Administration
    • Onboarding

Stampli

$29/month
  • Essential$undefined/month
    • Invoice processing
    • Basic approvals
    • Email notifications
  • Professional$undefined/month
    • AI-powered coding
    • Advanced workflows
    • ERP integrations
  • Enterprise$undefined/month
    • Custom workflows
    • API access
    • Dedicated support

Which should you pick?

Choose Paychex Flex if

  • You need payroll processing.
  • You work on Web, Ios, Android.
  • You also want tax administration.
Paychex Flex review

Choose Stampli if

  • You need ai invoice processing.
  • You work on Web, Ios, Android.
  • You also want approval workflows.
Stampli review

Questions people ask

Is Paychex Flex or Stampli better?
Neither clearly leads. Paychex Flex starts at $39/month and Stampli at $29/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Paychex Flex or Stampli?
Paychex Flex starts at $39/month and Stampli at $29/month.
Does Paychex Flex or Stampli run on more platforms?
Both run on Web, Ios, Android, so platform support will not decide this one for you.
What is Paychex Flex best used for?
Paychex Flex is most often used for running payroll and filing payroll taxes for small and mid sized us businesses, combining payroll with benefits administration and hr services from one vendor, handling multi state payroll compliance and year end tax forms. Of those, running payroll and filing payroll taxes for small and mid sized us businesses and combining payroll with benefits administration and hr services from one vendor are not what Stampli is typically brought in for.
What can Paychex Flex do that Stampli cannot?
Paychex Flex covers Payroll Processing, Tax Administration, HR Services, Benefits Administration. Stampli covers AI invoice processing, Approval workflows, Vendor management, Payment processing. Both handle QuickBooks, Web support, Ios support, Android support.
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