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Migration Guides

Switch to LLM Gateway from other LLM providers with minimal code changes. Our OpenAI-compatible API makes migration straightforward.

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Migrate from LiteLLM

Switch from self-hosted LiteLLM to managed LLM Gateway. Same API format, zero infrastructure to maintain.

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Migrate from OpenRouter

Switch to LLM Gateway for built-in analytics, self-hosting options, and simpler API. Two-line code change.

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Migrate from Portkey

Switch from Portkey to LLM Gateway. Same OpenAI-compatible API, no virtual keys or special headers, fully open-source self-hosting.

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Migrate from Vercel AI Gateway

Keep your Vercel AI SDK code, add response caching, detailed analytics, and smart routing. One provider for all models.

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Don't see your provider?

LLM Gateway's OpenAI-compatible API works with any client that supports OpenAI. Just change the base URL and API key.

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