Softwr

Accounting · head to head

Lago vs Vertex

Lago logo

Lago

Accounting

Open-source billing infrastructure for usage-based models

From
Free
Rated
-
Full reviewWebsite
Vertex logo

Vertex

Accounting

Enterprise tax determination, compliance, and e-invoicing software

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Lago has a free tier, so it costs nothing to try first.
  • Each has a real cost: Lago free tier limited to 10,000 entities per month with 5M event cap; Vertex pricing is entirely custom and not published, requiring a sales engagement to get a quote.
  • They diverge on capability: Lago covers Real-time usage metering, Vertex covers Real-time tax determination.

Where they differ

Only the attributes on which Lago and Vertex actually diverge.

Attributes where Lago and Vertex differ
AttributeLagoVertex
Starting priceFreeOn request
Pricing modelFreemium with optional paid tiersquote
Free tierYesNo
PlatformsWeb, Cloud, Self-hosted, On-premise, VPCweb, api
FoundedUnknown1978

Identical on both: user rating (Not yet rated), category (Accounting).

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 Lago

  • Real-time usage metering
  • Multiple pricing models
  • Automated invoicing
  • Prepaid credits
  • Entitlements
  • Multi-currency support
  • Payment orchestration
  • Revenue analytics

Only in Vertex

  • Real-time tax determination
  • Global e-invoicing compliance
  • Compliance reporting and filing
  • Exemption certificate management
  • AI-powered compliance workflows
  • ERP integrations

What people use each for

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

Lago

  • Building usage-based billing for high-volume APIs and infrastructurenot Vertex
  • Implementing metered billing for AI and tokenized servicesnot Vertex
  • Creating subscription and hybrid pricing modelsnot Vertex
  • Managing multi-currency billing for global companiesnot Vertex
  • Maintaining billing infrastructure without vendor lock-innot Vertex

Vertex

  • Automating indirect tax calculation for large multinational enterprisesnot Lago
  • Managing global e-invoicing compliance mandatesnot Lago
  • Handling exemption certificates for B2B salesnot Lago
  • Embedding tax logic directly into ERP and e-commerce checkout flowsnot Lago

Where each one falls short

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

Lago

  • Free tier limited to 10,000 entities per month with 5M event cap
  • No specific pricing published for Pro annual plan or Scale plan
  • Self-hosted and on-premise deployments require engineering resources
  • Community support only on free tier
  • Scale plan requires annual contracts and sales engagement

Vertex

  • Pricing is entirely custom and not published, requiring a sales engagement to get a quote.
  • The platform is built for enterprise-scale tax complexity, which can be more than small businesses need.
  • Implementation typically requires integration work with existing ERP systems, adding setup time and cost.
  • Documentation on self-serve plan tiers or limits is not publicly available, unlike simpler tax tools.

Pricing, plan by plan

Lago

Free
  • Build (Free)Free
    • 10,000 managed entities per month
    • 5M usage events per month
    • 1K events per second rate limit
  • Pro$399/month
    • 10,000 entities included (graduated pricing to 100K)
    • 25M usage events included (to 500M with graduated rates)
    • 10K events per second (upgradeable to 100K)
  • Scale$null/custom
    • Custom entity and event volumes
    • 50K events per second (upgradeable to 100K)
    • RBAC and SSO (SAML)

Vertex

On request
  • Vertex Cloud$undefined/mo
    • Custom pricing based on business needs
    • Tax determination, e-invoicing, and reporting
    • ERP and e-commerce integrations

Which should you pick?

Choose Lago if

  • You need real-time usage metering.
  • You want to start without paying.
  • You work on Web, Cloud, Self-hosted, On-premise, VPC.
  • You also want multiple pricing models.
Lago review

Choose Vertex if

  • You need real-time tax determination.
  • You work on web, api.
  • You also want global e-invoicing compliance.
Vertex review

Questions people ask

Is Lago or Vertex better?
Neither clearly leads. Lago starts at Free and Vertex at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Lago or Vertex?
Lago has a free tier; the other does not. Paid plans start at Free for Lago and On request for Vertex.
Does Lago or Vertex run on more platforms?
Lago runs on Web, Cloud, Self-hosted, On-premise, VPC. Vertex runs on web, api.
Can I use Lago for free?
Yes. Lago has a free tier, so you can try it without paying. Vertex starts at On request.
What is Lago best used for?
Lago is most often used for building usage-based billing for high-volume apis and infrastructure, implementing metered billing for ai and tokenized services, creating subscription and hybrid pricing models, managing multi-currency billing for global companies. Of those, building usage-based billing for high-volume apis and infrastructure and implementing metered billing for ai and tokenized services are not what Vertex is typically brought in for.
What can Lago do that Vertex cannot?
Lago covers Real-time usage metering, Multiple pricing models, Automated invoicing, Prepaid credits. Vertex covers Real-time tax determination, Global e-invoicing compliance, Compliance reporting and filing, Exemption certificate management.

Answered from the vendors’ own pages

Lago: Can I use Lago open-source for free?

Yes, Lago is open-source under the AGPLv3 license and can be self-hosted. The cloud-based Build plan is also free with limits of 10,000 entities and 5M events per month.

Source
Vertex: Is Vertex's tax software pricing publicly available?

No. Vertex does not publish pricing for its Vertex Cloud or enterprise tax platform; costs are determined through a custom quote based on modules, transaction volume, and deployment scope.

Source
Lago: What payment providers does Lago integrate with?

Lago integrates with Stripe and Adyen for payment processing. It is not a payment processor itself but orchestrates payments through these providers.

Source
Vertex: Roughly what do businesses pay for Vertex?

As reported by third-party buyer guides, not Vertex itself, mid-market companies processing 10,000-50,000 monthly transactions often pay in the $40,000-$100,000 per year range including platform and transaction fees.

Source
Lago: Does Lago support multiple currencies?

Yes, Lago supports multi-currency billing with automatic currency conversion for global businesses.

Source
Vertex: Who manages Vertex Cloud after it's set up?

With the Vertex Cloud deployment option, ongoing operations such as monitoring, configuration, and state tax correspondence remain the responsibility of the customer's internal team rather than Vertex.

Source
Vertex: What systems does Vertex integrate with?

Vertex integrates with major ERP and e-commerce platforms including SAP, Oracle, Microsoft, Shopify, Workday, and NetSuite to embed real-time indirect tax calculation into existing business systems.

Source
Vertex: How many jurisdictions does Vertex support for tax determination?

Vertex calculates real-time indirect tax rates across 195 countries and more than 20,000 tax jurisdictions worldwide.

Source
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