Multimodal AI Inference and Serving Framework
4.4k 2026-04-18

vllm-project/vllm-omni

vLLM-Omni is an efficient, flexible, and easy-to-use framework extending vLLM to serve omni-modality models (text, image, video, audio) with high throughput and an OpenAI-compatible API.

Core Features

Omni-modality support (text, image, video, audio processing)
Efficient inference with KV cache, pipelined execution, and dynamic resource allocation
Support for non-autoregressive architectures like Diffusion Transformers
Distributed inference with tensor, pipeline, data, and expert parallelism
OpenAI-compatible API server and streaming outputs

Detailed Introduction

vLLM-Omni extends the highly efficient vLLM framework to support inference and serving for omni-modality models, encompassing text, image, video, and audio data. It addresses the limitations of traditional LLM serving by integrating non-autoregressive architectures and enabling heterogeneous outputs. The framework prioritizes speed through advanced KV cache management and pipelined execution, while offering flexibility via heterogeneous pipeline abstraction and seamless integration with Hugging Face models. It aims to make omni-modality model serving accessible, fast, and cost-effective for everyone.

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