Orb Alternatives
A curated collection of the 2 best alternatives to Orb.
The best alternative to Orb is Lago. If that doesn't suit you, we've compiled a ranked list of other open source Orb alternatives to help you find a suitable replacement. Other interesting alternative to Orb is OpenMeter.
Orb alternatives are mainly API Monitoring but may also be Billing & Invoicing or Data & Analytics. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Orb.
Open-source billing system that handles metering, usage-based pricing, and invoicing at scale. Perfect for AI, cloud, and API companies needing flexible monetization.

Lago delivers enterprise-grade billing infrastructure that scales with your business needs. The platform excels at processing high-volume usage data (up to 15,000 events/second) and converting it into accurate invoices through real-time metering.
Key capabilities include:
- Flexible pricing models supporting pay-as-you-go, hybrid plans, and complex usage-based scenarios
- Real-time usage metering with an event-based architecture that handles massive scale
- Automated invoicing that calculates charges and generates professional invoices
- Revenue optimization tools including prepaid credits, coupons, and instant add-ons
As an open-source solution, Lago provides full transparency and customization options. Companies can audit the code, maintain data control, and build custom features on top of the core platform. The system integrates seamlessly with popular tools like Stripe, NetSuite, AWS Marketplace, and accounting software.
Trusted by industry leaders including Mistral AI, Algolia, and Github, Lago has proven its ability to handle complex billing requirements at scale. The platform is particularly valuable for AI companies, cloud services, API providers, and fintech firms needing sophisticated usage-based monetization.
Looking for alternatives to other popular services? Check out other posts in the alternatives series and wtcraft.com, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
OpenMeter provides scalable usage-based billing and real-time metering for AI, API, DevOps, and IoT applications, available as open source or cloud-hosted.

OpenMeter is a powerful open source solution for usage metering and billing, designed specifically for developers working with AI and cloud services. It offers a robust platform to implement usage-based pricing models, track cloud costs, and handle real-time data use cases across various domains including AI, APIs, DevOps, and IoT.
Key features and benefits:
- Scalable event ingestion: Meter millions of events per second with low latency, ensuring accurate usage tracking even for high-volume applications.
- Real-time aggregation: Get instant, accurate usage data to power billing use-cases and customer dashboards.
- Flexible integration: Out-of-the-box integrations with popular AI tools, cloud infrastructure, and frameworks, plus SDKs for languages like Node.js, Python, and Go.
- Usage-based billing support: Turn any events, logs, and metrics into revenue with customizable pricing models.
- Customer dashboards: Build real-time usage monitoring interfaces for your customers using embeddable components and React hooks.
- Balance and quota management: Track customer balances, credits, and enforce usage limits to protect your margins.
- Low latency limit enforcement: Implement usage gating at the edge to prevent expensive overages, especially crucial for LLM and compute-intensive applications.
OpenMeter is available in two deployment options:
- Cloud-hosted: A fully managed solution with a user-friendly interface, professional support, advanced reporting, and cost attribution features.
- Open Source: Self-hosted deployment under the Apache 2.0 license, ideal for teams requiring complete control over their infrastructure.
With its focus on developer experience and scalability, OpenMeter simplifies the complex task of implementing usage-based pricing and metering for modern cloud and AI applications. Whether you're building a new AI product, scaling your revenue operations, or consolidating your software stack, OpenMeter provides the tools and flexibility to accurately measure and monetize your services.
Similar proprietary alternatives:


