Lago vs ElevenLabs
Side-by-side comparison of AI visibility scores, market position, and capabilities
Open-source metering and usage-based billing for AI and API companies; $22M raised serving Mistral.ai and Together.ai competing with Stripe Billing for consumption-based pricing infrastructure.
About
Lago is an open-source metering and usage-based billing platform that enables SaaS, AI, fintech, and API companies to implement complex consumption-based pricing models — providing the infrastructure for tracking usage events, aggregating them into billing metrics, managing subscription plans, generating invoices, and integrating with payment processors and accounting systems. Founded in 2021 in Paris and a Y Combinator graduate, Lago raised $22 million from investors and serves customers including Mistral.ai, Together.ai, and Juni with both a free self-hosted version and a paid cloud SaaS offering.\n\nLago's platform addresses the engineering complexity of usage-based billing — which requires reliable high-volume event ingestion (every API call, compute minute, or message sent), real-time aggregation into billable metrics (sum of API calls, maximum storage, seat counts), and invoice generation that correctly maps complex pricing tiers, overages, and credits. Building this infrastructure in-house typically takes multiple engineering months and ongoing maintenance; Lago provides it as open-source infrastructure that companies can deploy and customize.\n\nIn 2025, Lago competes in the billing infrastructure and monetization platform market with Stripe Billing, Chargebee, Recurly, and Zuora for subscription and usage billing systems. The shift toward consumption-based pricing (pay per API call, per compute unit, per message) has accelerated with the growth of AI and infrastructure companies that naturally charge per usage rather than per seat. Traditional subscription billing platforms (Chargebee, Recurly) were designed for fixed subscription billing and have added usage billing as an afterthought — Lago's usage-first architecture is better suited for the complex consumption models modern AI and API companies need. The open-source approach builds community trust and allows customization that proprietary platforms don't permit. The 2025 strategy focuses on growing enterprise cloud customers and deepening the platform's AI company billing capabilities.
$500M Series D at $11B valuation (Feb 2026) — largest voice AI funding round ever. $330M ARR; 1M+ developers using the API. Enterprise customers: Deutsche Telekom, Revolut, Meta, Salesforce. Voices in 32 languages; real-time cloning from 1 second of audio.
About
ElevenLabs was founded in 2022 by Piotr Dabkowski and Mati Staniszewski, two former Google and Palantir engineers who set out to break the language barrier using AI voice technology. The company specializes in AI-powered voice synthesis, cloning, and dubbing, enabling developers and enterprises to generate human-quality speech in over 30 languages. Its core technology combines deep learning models trained on massive speech datasets to produce natural-sounding voices indistinguishable from real humans.\n\nElevenLabs offers a suite of products including its flagship text-to-speech API, voice cloning tools, and an AI dubbing platform that localizes video content while preserving the speaker's original voice. Its products target a broad audience—from indie developers building audio apps to large enterprises deploying voice interfaces at scale. Key differentiators include ultra-low latency streaming synthesis, fine-grained voice customization, and a growing library of pre-built AI voices across accents and styles.\n\nElevenLabs has grown rapidly, surpassing $330M in annualized revenue and serving over 1 million developers. Enterprise clients include Deutsche Telekom, Spotify, and leading media companies. In February 2026, the company closed a $500M Series D at an $11B valuation, cementing its position as the market leader in AI voice. Its APIs power podcasts, audiobooks, video games, and customer service bots worldwide, making ElevenLabs the default infrastructure layer for AI-generated audio.
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