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LLM Gateway

Open-source unified API to route, manage and analyze LLM requests across providers.

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Introduction

LLM Gateway offers one OpenAI-compatible API for sending requests to many LLM providers. It adds usage analytics, performance monitoring and key management, and can be self-hosted or run in the cloud.

Added on
Nov 2, 2026
Website
llmgateway.io
Company
LLM Gateway

Product information

What is LLM Gateway?

LLM Gateway is an open-source platform for routing, managing and analyzing LLM requests across multiple providers through a single, OpenAI-compatible interface.

How to use LLM Gateway?

Point your existing API endpoint at https://api.llmgateway.io/v1 and use your LLM Gateway API key. Requests are then routed to the right provider, and it works with languages and frameworks such as Python, TypeScript, Go and Rust.

Core features of LLM Gateway

  • OpenAI-compatible unified API
  • Multi-provider support
  • Usage and cost analytics
  • Performance monitoring
  • Secure key management
  • Self-hosted or cloud deployment

Use cases of LLM Gateway

  1. 1Routing LLM requests across providers through one API
  2. 2Tracking usage, cost and performance
  3. 3Migrating OpenAI integrations to multiple providers
  4. 4Self-hosting an LLM proxy for full data control
  5. 5Comparing models on performance and cost

Frequently asked questions about LLM Gateway

What is LLM Gateway?+

It is a platform for routing, managing and analyzing LLM requests across providers via a unified API.

How do I use LLM Gateway?+

Switch your API endpoint to https://api.llmgateway.io/v1 and use your LLM Gateway key.

How does LLM Gateway differ from OpenRouter?+

Its site cites full MIT-licensed self-hosting, deeper per-request cost and latency analytics, and no gateway fee on the Pro plan with your own provider keys.

Which category is LLM Gateway in?+

LLM Gateway is listed under AI Code Editor.

Tags

ai apiai developer toolsllmai modelsopen source ai

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