Description
LiteLLM is an AI framework designed to facilitate seamless access to multiple language models (LLMs) through a unified interface. It offers two primary methods of interaction: the LiteLLM Proxy Server and the LiteLLM Python SDK. The Proxy Server acts as a centralized service, functioning as an LLM Gateway that allows users to connect to various LLMs effortlessly. On the other hand, the Python SDK enables developers to integrate LiteLLM directly into their Python code, providing flexibility based on project needs.
The LiteLLM Proxy Server is particularly beneficial for Gen AI Enablement and ML Platform Teams, as it includes features such as authentication and authorization, multi-tenant cost tracking, and per-project customization options. Users can manage their projects effectively with tools for logging, caching, and secure access control through virtual keys. The Admin dashboard UI allows for monitoring and management, ensuring that teams can keep track of their usage and spending efficiently.
For developers, the LiteLLM Python SDK offers direct integration into codebases, complete with application-level load balancing and cost tracking. It includes a router with retry and fallback logic across multiple deployments, such as Azure and OpenAI, ensuring consistent output regardless of the provider used. Exception handling is also a key feature, as LiteLLM maps exceptions across all supported providers to OpenAI-compatible error types, simplifying error management for developers.
LiteLLM supports a wide range of LLMs, including popular options like OpenAI, Anthropic, and HuggingFace, among others. Users can leverage advanced models that support reasoning content, enhancing the capabilities of their applications. The framework also provides observability callbacks for tracking costs, usage, and latency, making it a comprehensive solution for AI development. Overall, LiteLLM is tailored for those looking to build robust LLM projects with ease and efficiency.
LiteLLM's Core Features
Centralized API gateway
Multi-tenant cost tracking
Per-project customization
Virtual keys for secure access
Admin dashboard UI
Direct Python library integration
Router with retry/fallback logic
Application-level load balancing
Exception handling with OpenAI-compatible errors
Observability callbacks
Getting Started with LiteLLM
Install via package manager: Use pip to install the LiteLLM Python SDK.
Configure: Set up your configuration file (config.yaml) for the Proxy Server.
Build: Ensure your environment is ready for Docker if using the Proxy Server.
Deploy: Run the Docker image for the LiteLLM Proxy Server.
Optimize: Use the SDK to integrate LiteLLM into your Python applications.
LiteLLM's Use Cases
- AI Project Development
- Cost Management
- Model Integration
- Error Handling
- Observability Tracking



