LLM Gateway
One API for 40+ providers, including OpenAI, Anthropic, and Google
What is LLM Gateway?
LLM Gateway is a unified API gateway for multiple LLM providers. It lets developers route requests across 200+ models from 40+ providers through a single OpenAI-compatible endpoint, with built-in analytics, cost tracking, secure key management, automatic failover, and self-hosted or cloud deployment options.
SpecificationsAI-estimated
Key Features of LLM Gateway
Use Cases for LLM Gateway
Multi-provider LLM routing
Route requests to OpenAI, Anthropic, Google, and other providers through one API.
Cost optimization
Track spend across models and providers to identify expensive outliers.
High availability
Automatically fail over to healthy providers when one provider goes down.
Secure key management
Keep provider API keys centralized and avoid exposing secrets in client apps.
Self-hosted LLM infrastructure
Deploy the gateway on your own infrastructure for full control and compliance.
How to use LLM Gateway?
Get an API key
Sign up at llmgateway.io and create an API key, or bring your own provider keys.
Change your base URL
If you already use OpenAI's SDK, set base_url to https://api.llmgateway.io/v1.
Start routing requests
Send requests to any supported model and monitor usage, cost, and latency from the dashboard.
Pros & Cons of LLM Gateway
Pros
- Drop-in OpenAI SDK compatibility — just change the base URL
- Free 'Bring Your Own Keys' tier with no token markup
- Free self-hosted option under AGPLv3
- Real-time cost, latency, and reliability analytics
- Automatic failover across providers improves uptime
- Supports 40+ providers and 200+ models
Cons
- AGPLv3 license may be restrictive for some commercial use cases
- Smaller model catalog than some competitors like OpenRouter
- Self-hosting requires infrastructure maintenance
- Enterprise features likely require a custom paid plan
Frequently Asked Questions
What makes LLM Gateway different from OpenRouter?
LLM Gateway offers full self-hosting under AGPLv3, deeper real-time cost and latency analytics, a free Bring Your Own Keys option, and enterprise add-ons like dedicated shards and custom SLAs.
How much does LLM Gateway cost?
There are three options: Credits with a 5% flat fee on top-ups, Bring Your Own Keys for free, and Self-hosted for free. Enterprise pricing is custom.
Is LLM Gateway compatible with OpenAI SDK?
Yes. You can keep your existing OpenAI SDK code and only change the base URL to https://api.llmgateway.io/v1.
Pricing Overview
View full pricing →Bring your own keys — free forever; no credit card required and setup in 30 seconds.
Reviews & Ratings0.0
No reviews yet. Be the first to write one!
Top Alternatives & Similar Software
View all alternatives & similar software→People also viewed
Related searches
About the Product
Is this your tool?
Claim this page to update details, reply to user reviews, and drive more traffic to your product.
Claim this Product →Tags
Explore Related Topics
Keep up with LLM Gateway alternatives
New alternatives, pricing changes and the week's biggest movers - one email every Tuesday.





