node-llama-cpp

Run AI models locally on your machine with node.js bindings for llama.cpp. Enforce a JSON schema on the model output on the generation level

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node-llama-cpp is a tool that allows users to run AI models locally on their machines. It provides pre-built bindings with the option to build from source using cmake. Users can interact with text generation models, chat with models using a chat wrapper, and force models to generate output in a parseable format like JSON. The tool supports Metal and CUDA, offers CLI functionality for chatting with models without coding, and ensures up-to-date compatibility with the latest version of llama.cpp. Installation includes pre-built binaries for macOS, Linux, and Windows, with the option to build from source if binaries are not available for the platform.

README:

node-llama-cpp

Run AI models locally on your machine

_{Pre-built bindings are provided with a fallback to building from source with cmake}

✨ gpt-oss is here! ✨

Features

Run LLMs locally on your machine
Metal, CUDA and Vulkan support
Pre-built binaries are provided, with a fallback to building from source without node-gyp or Python
Adapts to your hardware automatically, no need to configure anything
A Complete suite of everything you need to use LLMs in your projects
Use the CLI to chat with a model without writing any code
Up-to-date with the latest llama.cpp. Download and compile the latest release with a single CLI command
Enforce a model to generate output in a parseable format, like JSON, or even force it to follow a specific JSON schema
Provide a model with functions it can call on demand to retrieve information or perform actions
Embedding and reranking support
Safe against special token injection attacks
Great developer experience with full TypeScript support, and complete documentation
Much more

Documentation

Try It Without Installing

Chat with a model in your terminal using a single command:

npx -y node-llama-cpp chat

Installation

npm install node-llama-cpp

This package comes with pre-built binaries for macOS, Linux and Windows.

If binaries are not available for your platform, it'll fallback to download a release of llama.cpp and build it from source with cmake. To disable this behavior, set the environment variable NODE_LLAMA_CPP_SKIP_DOWNLOAD to true.

Usage

import {fileURLToPath} from "url";
import path from "path";
import {getLlama, LlamaChatSession} from "node-llama-cpp";

const __dirname = path.dirname(fileURLToPath(import.meta.url));

const llama = await getLlama();
const model = await llama.loadModel({
    modelPath: path.join(__dirname, "models", "Meta-Llama-3.1-8B-Instruct.Q4_K_M.gguf")
});
const context = await model.createContext();
const session = new LlamaChatSession({
    contextSequence: context.getSequence()
});


const q1 = "Hi there, how are you?";
console.log("User: " + q1);

const a1 = await session.prompt(q1);
console.log("AI: " + a1);


const q2 = "Summarize what you said";
console.log("User: " + q2);

const a2 = await session.prompt(q2);
console.log("AI: " + a2);

For more examples, see the getting started guide

Contributing

To contribute to node-llama-cpp read the contribution guide.

Acknowledgements

llama.cpp: ggml-org/llama.cpp

If you like this repo, star it ✨

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