LiteLLM

Call any LLM API using the OpenAI format.

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Overview

LiteLLM is an open-source Python library that simplifies the process of working with multiple large language model APIs. It provides a consistent, OpenAI-compatible interface for calling different models, making it easy to switch between providers and manage different API keys and configurations.

✨ Key Features

  • Open-source and free to use
  • Unified interface for over 100 LLM APIs
  • OpenAI-compatible format
  • API key and configuration management
  • Load balancing and fallbacks
  • Cost tracking and budgeting

🎯 Key Differentiators

  • Focus on providing a unified API for multiple LLM providers
  • Lightweight and easy to integrate

Unique Value: LiteLLM simplifies the process of working with multiple LLM APIs by providing a single, consistent interface, saving developers time and effort.

🎯 Use Cases (4)

Building applications that use multiple LLM providers Switching between different models for different tasks Managing API keys and credentials for various services Building resilient applications with fallbacks for API failures

✅ Best For

  • Model-agnostic application development
  • Cost optimization by routing requests to cheaper models
  • Improving application reliability with model fallbacks

💡 Check With Vendor

Verify these considerations match your specific requirements:

  • Users who only need to interact with a single LLM provider

🏆 Alternatives

LangChain LlamaIndex

Compared to larger frameworks like LangChain, LiteLLM is a more lightweight and focused solution for the specific problem of multi-provider API interaction.

💻 Platforms

API Self-hosted

🔌 Integrations

OpenAI Anthropic Google AI Cohere Hugging Face and many more

🛟 Support Options

  • ✓ Live Chat

💰 Pricing

Contact for pricing
Free Tier Available

Free tier: The open-source library is completely free.

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