LMDeploy

High-throughput and low-latency inference framework for LLMs and VLs

GrowingOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Rising

License

Open Source

Data freshness

Verified · Jul 16, 2026

Overview

What is LMDeploy?

LMDeploy is a high-performance inference and serving framework designed to deliver fast and efficient deployment of large language models (LLMs) and vision-language models (VLs). It focuses on minimizing latency while maximizing throughput, making it ideal for real-time applications.

Key differentiator

LMDeploy stands out with its focus on high-throughput and low-latency inference, making it ideal for real-time applications that require efficient deployment of large language models and vision-language models.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

High-throughput and low-latency inferencemedium

Support for both LLMs and VL modelsmedium

Optimized for real-time applicationsmedium

Self-hosted deployment optionsmedium

Apache-2.0 licensedmedium

↓ Weaknesses

Steep learning curve for non-Python developershigh

API requires Python-specific patterns, TypeScript SDK is community-maintained

Frequent breaking changes between versionsmedium

v0.1 to v0.2 migration required rewriting chain definitions

Limited language support beyond C++ and Pythonhigh

Primary development in C++, secondary support for Python; other languages require community effort

Performance optimizations may lead to higher complexity in setup and maintenancemedium

High-performance tuning requires deep understanding of underlying architecture and configurations

Fit analysis

Who is it for?

✓ Best for

Teams needing high-throughput and low-latency inference for LLMs and VL models in production environments

Projects requiring self-hosted deployment options with optimized performance

Applications that demand real-time responses from large language or vision-language models

✕ Not a fit for

Developers looking for cloud-based managed services without the need to manage infrastructure

Teams preferring a more user-friendly web interface over command-line tools and libraries

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Alternatives

Works well with

Next step

Get Started with LMDeploy

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →