Lago vs Flexprice

Lago9.3Visit Flexprice9.1Visit

Higher score Lago #2 in Usage-Based Billing Software 9.3/10 Free plan Free plan✓ 0 of 4 features Visit Lago

vs

Flexprice #3 in Usage-Based Billing Software 9.1/10 Free plan Free plan✓ 4 of 4 features Visit Flexprice

• Lago fits best

  Teams wanting open-source usage billing

• Flexprice fits best

  Growing SaaS with complex usage pricing

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Side by side

Feature	Lago 9.3/10 Visit ↗	Flexprice 9.1/10 Visit ↗
At a glance
Editor score	9.3	9.1
Ranking	#2 in Usage-Based Billing Software	#3 in Usage-Based Billing Software
Best for	Teams wanting open-source usage billing	Growing SaaS with complex usage pricing
Pricing model	Free	Free plan + paid
Starting price	Free	$299/mo
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Self-hosted	Cloud
Platforms	Web	Web
Integrations	7 integrations	13 integrations
Features Lago 0/4 · Flexprice 4/4
API metering	Not checked yet	✓ (best)
Event ingestion	Not checked yet	✓ (best)
Prepaid credits	Not checked yet	✓ (best)
Invoice generation	Not checked yet	✓ (best)
Specs
Billing model	Not checked yet	Subscription-plus-usage
Rating methods	Not checked yet	flat, per-seat, graduated, tiered, volume-based, credit packs, minimum commitments
Our review
Pros	AGPLv3-licensed self-hosting with usage metering Supports hybrid pricing, invoices, wallets, portals, and analytics REST API, SDKs, webhooks, tax tools, and seven integrations	Supports API, SDK, Kafka, and cloud event-stream ingestion Handles deduplication, idempotency, credits, rating, and invoicing Growth adds multi-currency billing, dunning, analytics, and unlimited plans
Cons	Does not process payments directly Lago Premium pricing requires contacting Lago Automatic dunning is limited to Lago Premium	Developer limits data retention to 14 days Growth costs $299 per month before Enterprise features Enterprise pricing and contract terms are custom
Our verdict	Lago is an open-source billing platform for companies using usage-based, subscription, prepaid, or hybrid pricing. It captures product usage, applies pricing rules, generates invoices, connects with payment providers, and provides billing… Read the review →	Flexprice is a usage-based billing and metering platform for AI and SaaS companies. It is designed for engineering and finance teams that need to collect usage events, apply configurable pricing, and generate invoices without maintaining… Read the review →

Strengths and trade-offs

• Lago — where it wins

  • AGPLv3-licensed self-hosting with usage metering
  • Supports hybrid pricing, invoices, wallets, portals, and analytics
  • REST API, SDKs, webhooks, tax tools, and seven integrations

  Where it doesn't

  • Does not process payments directly
  • Lago Premium pricing requires contacting Lago
  • Automatic dunning is limited to Lago Premium

• Flexprice — where it wins

  • Supports API, SDK, Kafka, and cloud event-stream ingestion
  • Handles deduplication, idempotency, credits, rating, and invoicing
  • Growth adds multi-currency billing, dunning, analytics, and unlimited plans

  Where it doesn't

  • Developer limits data retention to 14 days
  • Growth costs $299 per month before Enterprise features
  • Enterprise pricing and contract terms are custom

• Lago9.3/10 · Free plan

  A broad billing platform for teams building programmable usage and subscription workflows.

  Visit LagoFull verdict →
• Flexprice9.1/10 · Free plan

  A broad usage-billing platform for SaaS teams managing complex pricing and invoicing.

  Visit FlexpriceFull verdict →