liteLLM

LiteLLM: An LLM gateway designed for managing and accessing over 100 different LLMs, compatible with the OpenAI format.

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Introduction

LiteLLM: LLM Gateway for managing and accessing 100+ LLMs in OpenAI format.

What is LiteLLM?

LiteLLM is a large-scale language model gateway (acting as an OpenAI proxy) designed to handle authentication, load balancing, and expense tracking. It supports over 100 different LLMs while maintaining compatibility with the OpenAI format. This platform simplifies the use of LLM APIs provided by various vendors, including OpenAI, Azure, Cohere, Anthropic, Replicate, and Google. LiteLLM ensures consistent output and error handling for all LLM APIs, and it also logs and tracks errors associated with each model. It offers a range of functionalities such as cost tracking, batch API processing, protection mechanisms, model access control, budget management, LLM visibility tools, rate limiting, prompt management, S3 logging support, and direct access endpoints.

How to use LiteLLM?

You can utilize LiteLLM – completion(model, messages) by calling the LLM API in chatGPT format. This approach ensures consistent output and error handling for all LLM APIs. You have the option to deploy LiteLLM openly and freely, or you can try the Enterprise Edition of LiteLLM to access additional features.

The core features of LiteLLM

An LLM gateway that supports over 100 different LLMs.
Compatible with OpenAI’s API
Cost tracking and budget management
LLM backup
Load balancing
rate limiting
Tip Management
Recording and error tracking

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Updated：2026-11-07