LiteLLM is a library for seamless integration with various large language model (LLM) providers' APIs that standardizes interactions through an OpenAI API format. It supports an extensive array of providers and models and offers a unified interface for completion, embedding and image generation. LiteLLM simplifies integration by translating inputs to match each provider's specific endpoint requirements. It also provides a framework needed to implement many of the operational features needed in a production application such as caching, logging, rate limiting and load balancing. This ensures uniform operation across different LLMs. Our teams are using LiteLLM to make it easier to swap various models in and out — a necessary feature in today's landscape where models are evolving quickly. It's crucial to acknowledge when doing this that model responses to identical prompts vary, indicating that a consistent invocation method alone may not fully optimize completion performance. Also, each model implements add-on features uniquely and a single interface may not suffice for all. For example, one of our teams had difficulty taking advantage of function calling in an AWS Bedrock model while proxying through LiteLLM.
LiteLLM is a library for seamless integration with various large language model (LLM) providers' APIs that standardizes interactions through an OpenAI API format. It supports an extensive array of providers and models and offers a unified interface for completion, embedding and image generation functionalities. LiteLLM simplifies integration by translating inputs to match each provider's specific endpoint requirements. This is particularly valuable in the current landscape, where a lack of standardized API specifications for LLM providers complicates the inclusion of multiple LLMs in projects. Our teams have leveraged LiteLLM to swap underlying models in LLM applications, addressing a significant integration challenge. However, it's crucial to acknowledge that model responses to identical prompts vary, indicating that a consistent invocation method alone may not fully optimize completion performance. Note that LiteLLM has several other features, such as proxy server, that are not in the purview of this blip.