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OpenRouter

Unified API gateway providing access to 300+ AI models from 60+ providers.

Updated April 2026

Overview

Founded
2023
Headquarters
San Francisco, CA
Segment
Model Distribution & Serving

Product overview

OpenRouter offers a single OpenAI-compatible API for developers to access over 300 AI models from providers like OpenAI, Anthropic, Google, and Meta, with intelligent routing, automatic fallbacks, and real-time performance optimization. Used by 5M+ global users and 250k+ apps for building reliable AI applications without vendor lock-in. It stands out from direct provider APIs by unifying fragmented ecosystems, eliminating multiple keys and billing relationships, and adding edge routing for better uptime and cost control.

Revenue model

Pay-as-you-go credits charged at provider token rates plus a 5.5% platform fee (e.g., $3/$15 per 1M input/output tokens for Claude Sonnet 4.5); free tier for limited use of 25+ models; enterprise plans with volume discounts, annual commits, and custom pricing.

Moat

OpenRouter's key competitive moat is its data-driven routing intelligence, fueled by a powerful network effect from processing 8.4 trillion tokens monthly across 2.5 million users, which refines algorithms for optimal price, latency, uptime, and throughput selection among over 400 models—creating a flywheel that new entrants cannot replicate without equivalent scale. High switching costs arise from developers fully replacing provider APIs with OpenRouter's unified endpoint, plus proprietary edge architecture ensuring 100% uptime with minimal 25ms overhead and asset-light scaling.