Lemonade is a local AI server that runs optimized language models and multimodal AI directly on user GPUs and NPUs, exposing them through standard OpenAI, Anthropic, and Ollama APIs.
The tool solves the problem of cloud AI dependency by enabling users to run inference locally with full privacy and no ongoing costs. It works by packaging optimized model implementations that automatically adapt to available hardware—whether AMD Ryzen AI NPUs, Radeon GPUs, or other accelerators—and serving them through familiar API standards so existing applications can connect without modification. The project includes both a standalone server for system-wide use and an embeddable binary for developers to integrate into their own applications.
Lemonade suits developers and end users who want to avoid cloud API costs and data transmission, or who need offline AI capabilities. It works well for chat, coding assistance, speech generation, and image generation tasks. The tool is particularly optimized for AMD hardware including Ryzen AI and Radeon GPUs, though it supports broader GPU and NPU ecosystems. Users can browse and download models through a built-in model manager and interact with them via chat, image generation, and speech interfaces. The project also provides mobile clients for iOS and Android, extending local AI access beyond desktop environments.
The project maintains active community engagement through a Discord channel and explicitly welcomes pull requests. Development spans multiple platforms with dedicated installers for Windows, Linux, and macOS, plus Docker support and source-based builds. The codebase is written primarily in C++ and incorporates ONNX Runtime for model inference, with specific optimizations leveraging AMD's ROCm and Vulkan for hardware acceleration. The project acknowledges AMD engineers as contributors to hardware-specific optimizations.