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Litellm

Open Source
★ 61,083 • Updated Oct 12, 2026, 09:04 PM

Litellm is an open-source AI Gateway that enables users to call over 100 LLM APIs in OpenAI or native format.

Use Cases ▼
01

Natural language processing

02

Computer vision

03

Machine learning model deployment

04

AI-powered chatbots

05

Sentiment analysis

What Problem It Solves ▼

Developers and organizations often struggle to integrate AI capabilities into their applications, due to the complexity and cost of developing and maintaining AI infrastructure. Litellm solves this problem by providing a fast, lightweight, and scalable AI Gateway that enables users to easily call LLM APIs and integrate AI capabilities into their applications. With Litellm, users can avoid the costs and complexities of developing and maintaining their own AI infrastructure, and instead focus on building and deploying their applications. This makes it an ideal solution for organizations looking to unlock the full potential of AI and machine learning, without the need for significant investment in AI infrastructure.

Key Features ▼
✓

Fast and lightweight

✓

Scalable and modular architecture

✓

Supports multiple LLM APIs

✓

Highly customizable

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Extensive documentation and community support

Overview

Litellm is an open-source AI Gateway that enables users to call over 100 LLM APIs in OpenAI or native format. It features a Rust core with a Python SDK, providing cost tracking, guardrails, load balancing, and logging. The tool supports various platforms, including Bedrock, Azure, OpenAI, Anthropic, VertexAI, vLLM, and Nvidia NIM. Litellm is designed to be fast and lightweight, making it an ideal solution for developers and organizations looking to integrate AI capabilities into their applications. With its robust features and flexible architecture, Litellm can be used in a variety of use cases, from natural language processing to computer vision. The project is actively maintained on GitHub, with a large community of contributors and a comprehensive documentation set. Litellm's architecture is designed to be modular and scalable, allowing users to easily integrate it with their existing infrastructure. The tool also provides a range of customization options, enabling users to tailor it to their specific needs. Overall, Litellm is a powerful and versatile AI Gateway that can help organizations unlock the full potential of AI and machine learning. Litellm's documentation is extensive and includes a range of tutorials, guides, and API references. The project's community is active and supportive, with many contributors and users sharing their knowledge and expertise. Litellm is also highly customizable, with a range of configuration options and plugins available. This makes it an ideal choice for organizations with specific requirements or use cases. In addition to its technical features, Litellm is also designed with security and reliability in mind. The tool includes a range of security features, such as authentication and authorization, to ensure that user data is protected. Litellm is also designed to be highly available, with features such as load balancing and failover to ensure that the tool remains operational even in the event of hardware or software failures.

Pros & Cons

Pros

+

Fast and lightweight

+

Scalable and modular architecture

+

Supports multiple LLM APIs

+

Highly customizable

+

Extensive documentation and community support

Cons

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Steep learning curve

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Requires significant expertise in AI and machine learning

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May require additional infrastructure and resources

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