About

LiteLLM is a powerful LLM gateway that acts as an OpenAI proxy, enabling developers and enterprises to unify and manage access to more than 100 large language models (LLMs) through a single integration. By delivering an API format fully compatible with OpenAI’s, it dramatically simplifies the development workflow for multi-model applications, so you never have to wrestle with the differing API conventions of individual vendors.

Key Features

Unified authentication management: centrally handles API keys and credentials for all LLM providers, including Anthropic, Cohere, Azure, and more.

Intelligent load balancing: automatically distributes requests across models and providers to keep your applications highly available and performant.

Spend tracking and budget control: provides detailed cost analytics to help you monitor and manage spending across every model call.

OpenAI-compatible API: fully adheres to the OpenAI API specification, so existing code can migrate seamlessly without any modifications.

Pricing & Fees

Pricing: Not publicly listed on the pages we reviewed; check the official site for current plans. LiteLLM's core is MIT licensed and free to self-host, while Enterprise features are sold under a commercial license.
Free tier: The open-source gateway and Python SDK can be deployed on your own infrastructure at no license cost, with the admin UI, Postgres, and gateway installed via a one-command quickstart script.
Enterprise plan: A commercial Enterprise edition exists ("Try Enterprise" / "Talk to sales"), offered by contacting sales rather than through self-service purchase.
Cost control features: The platform supports virtual keys with per-key and per-team budgets, spend tracking, and routing/fallbacks across 100+ providers, which helps teams cap and optimize LLM spending.
Self-hosting: LiteLLM runs on your own infrastructure (Docker, Podman, or Rancher Desktop with Compose v2), so prompts, responses, and provider keys stay in your environment.

Who It's For

LiteLLM is the ideal choice for AI engineers, software development teams, and any organization that needs to integrate multiple large language models into their products or services. Whether you are building complex AI applications, running model tests and evaluations, or managing API costs efficiently across an enterprise, LiteLLM delivers significant, tangible benefits.

About

Key Features

Pricing & Fees

Who It's For

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