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OpenMeter

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Open-source billing and usage metering for AI and API companies.

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Tracked since2026
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The Bottom Line

Entry price

Free, no paid tier

Biggest pro

Simplifies complex usage-based billing for AI and API services.

Biggest con

Requires integration and setup to connect with existing event streams and systems.

TL;DR - OpenMeter

  • Provides real-time usage metering and billing for AI and API products.
  • Enables flexible usage-based pricing models and rapid product catalog changes.
  • Offers insights to maximize revenue and identify expansion opportunities.
Pricing: Free forever
Best for: Individuals & startups

What is OpenMeter?

Editorial review
OpenMeter provides real-time usage metering and billing capabilities, allowing businesses to turn events, logs, and metrics into revenue. It enables companies to implement self-service usage-based billing, empowering customers to monitor their usage in real-time and control costs through usage limits, notifications, and quotas. The platform also offers low-latency limit enforcement for usage gating at the edge. Designed for fast-growing AI and API companies, OpenMeter simplifies the process of launching new products and adapting pricing strategies. It features a flexible product catalog that supports various pricing models, including plans, credits, usage-based pricing, and commitments, allowing for rapid pricing iterations without extensive developer work. OpenMeter integrates with CRMs, tax, and payment providers, streamlining revenue operations and providing insights to maximize Net Revenue Retention (NRR) by identifying expansion opportunities and fast-growing customers.

Available on: Web

Pros & Cons

Pros

  • Simplifies complex usage-based billing for AI and API services.
  • Allows for rapid iteration of pricing models without developer dependency.
  • Provides real-time insights to identify revenue opportunities and manage costs.
  • Offers both open-source flexibility and secure cloud deployment options.
  • Integrates with existing sales and financial tools like CRMs and Stripe.

Cons

  • Requires integration and setup to connect with existing event streams and systems.
  • The open-source nature might require technical expertise for self-hosting and customization.

Key Features

Real-time usage meteringUsage limits, notifications, and quotasLow-latency limit enforcement and usage gatingFlexible product catalog for pricing and packagingSupport for plans, credits, usage-based pricing, and commitmentsIntegration with CRMs, tax, and payment providersSDKs for Node.js, Python, and GoOpen-source under Apache 2.0 license

Pricing Plans

Pricing checked May 29, 2026

Free

Free

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OpenMeter FAQ

What types of pricing models does OpenMeter support?

OpenMeter supports a flexible product catalog that accommodates various pricing models, including plans, entitlements, credits, usage-based pricing, and commitments, allowing for rapid iteration and customization.

How does OpenMeter help with revenue growth?

OpenMeter maximizes revenue by providing insights into customer usage, identifying expansion opportunities, and highlighting fast-growing accounts. It surfaces these revenue opportunities directly to sales teams in their CRM.

Is OpenMeter an open-source product?

Yes, OpenMeter is available on GitHub under the Apache 2.0 license, providing transparency and flexibility for users who wish to deploy and customize it.

Can OpenMeter enforce usage limits in real-time?

Yes, OpenMeter offers real-time metering and usage limits, including low-latency limit enforcement that can provide usage gating at the edge to control customer access based on their consumption.

What programming languages do the SDKs support?

OpenMeter provides SDKs for popular programming languages such as Node.js, Python, and Go, facilitating easy integration into various development environments.

How does OpenMeter handle large volumes of events?

OpenMeter is designed to meter millions of events per second, leveraging event-streaming techniques from high-scale production systems to ensure real-time, reliable, and cost-effective usage-based metering.

Source: openmeter.io

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