LiteLLM

Unified LLM gateway and proxy for routing across many model providers

About this tool

LiteLLM is a unified API layer and proxy for calling many LLM providers through one interface while supporting routing, fallbacks, monitoring, and model abstraction. It is especially useful for developers who want portability across providers and cleaner infrastructure for production AI applications. LiteLLM is a strong fit for developer teams looking for an LLM gateway, provider abstraction layer, and operational control over multi-model product usage.

Best for

Unified provider routing, abstraction, and control for production LLM apps

Key Features

Unified API for many providers
Useful routing and fallback support
Good for production observability and control
Strong fit for multi-provider products

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Pricing

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Free self-hosted LLM gateway

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Commercial platform and support path

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Managed support path
Operational tooling
Business deployment options
Commercial assistance

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