LLM InfrastructureCommercial✦ Free Tier

OpenRouter

Unified API routing to 200+ LLMs

App Infrastructure

About

Routes requests to 200+ LLMs through one API. Handles fallbacks, cost optimization, and model discovery. Pay per token.

Choose OpenRouter when…

  • You want a single API key for all frontier models
  • You're experimenting with many different models
  • Cost optimization across providers is important

Builder Slot

Which models does your stack route through?Optional for most stacks

A gateway that normalizes calls across providers — one API for all models, with fallbacks

Dev Tools
Not applicable
App Infra
Optional
Hybrid
Optional

Other tools in this slot:

Stack Genome Detection

AIchitect's Genome scanner detects OpenRouter in your project via these signals:

env vars
OPENROUTER_API_KEY

Often paired with (1)

Alternatives to consider (2)

Pricing

✦ Free tier available
Usage-basedPer token

In 1 stack

Badge

Add to your GitHub README

OpenRouter on AIchitect[![OpenRouter](https://aichitect.dev/badge/tool/openrouter)](https://aichitect.dev/tool/openrouter)

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