Model gateway

OpenRouter Verified

OpenRouter aggregates access to many foundation models behind one API and billing surface, letting teams route prompts across providers for cost, capability, or failover without maintaining separate SDKs and accounts for every vendor.

API availableUsage-basedroutingapimulti-providerinferencegateway

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FeaturedUpdated 3 months agoLast verified: April 2026

Key insights

Concrete technical or product signals.

Best when experimentation velocity matters: swap models via configuration instead of re-plumbing clients for each new release.
Read provider-specific terms and data-handling policies—aggregation does not remove downstream compliance obligations.

Use cases

Where this shines in production.

A/B testing frontier models for quality and cost
Fallback routing when a primary API rate-limits or degrades
Internal dev portals that expose one key to many approved models

Limitations & trade-offs

What to watch for.

Adds a hop in the request path—measure p95 vs direct provider calls for latency-sensitive paths.
Not a substitute for enterprise VPC deployments where traffic must stay inside a single cloud.

Models referenced

Declared model dependencies or integrations.

GPT-4o, Claude 3.5 Sonnet, Llama 3.1 405B Instruct

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