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openrouter

ai-dev-tools
Updated for 2026

About OpenRouter

Unified LLM gateway providing OpenAI-compatible API access to 500+ models from 60+ providers. Pay-as-you-go pricing with no markup on model rates, automatic fallbacks, and routing optimizations.

Key Capabilities

Access 500+ AI models from 60+ providers through a single OpenAI-compatible API

No markup on model rates, pay the provider's price plus a transparent 5.5% platform fee

Automatic fallbacks and routing variants (:nitro for speed, :floor for lowest cost)

Swap models without rewriting code, same API interface across all providers

Standout Features

500+ Models, One API

Access Claude, GPT, Gemini, Llama, Mistral, and hundreds more through a single OpenAI-compatible endpoint, switch models with one parameter change.

Automatic Fallbacks

Configure model fallback chains so your app stays online even when a provider has an outage, seamless failover with no code changes.

Routing Optimizations

Use :nitro for fastest throughput or :floor for lowest price, OpenRouter automatically routes to the best available provider for your priority.

Perfect for

Model Gateway
Multi-Provider

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Pay-as-you-go (no monthly fee) · Pass-through model pricing + 5.5% platform fee · Free models available · Enterprise team billing
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