1.2B+
downloads of Llama, Meta's open source AI model.
When things are open source, people have equal access - and when people have equal access, everyone benefits.
Discover breakthroughs, built here.
Zauron Labs | UT Health San Antonio
Zauron Labs used Meta’s open source AI, Llama, to build an AI tool that’s like a spellchecker for radiologists.
Washington Post
The Washington Post used Meta’s open source AI, Llama, to build an AI tool leveraging its journalism to answer questions.
Yale | EPFL
Yale + EPFL used Meta’s open source AI, Llama, to build an AI tool that tailors medical guidance to help doctors in remote areas.
WriteSea
WriteSea used Meta’s open source AI, Llama, to build an AI tool that helps people with the job search.
Nanome
Nanome used Meta’s open source AI, Llama, to build an AI tool that helps scientists find new treatments for diseases.
Mendel
Mendel used Meta’s open source AI, Llama, to build an AI tool to help match patients to clinical trials.
Learn how other organizations are driving breakthroughs in science, education and entrepreneurship
Our approach to open source AI
Responsible Use
To promote a responsible, collaborative AI innovation ecosystem, we’ve established a range of resources for all who use Meta's open source AI model, Llama: small businesses, start-ups, students, researchers and more.
Learn moreTrust and Safety
We are furthering our commitment to an open approach to build generative AI with trust and safety in mind. We believe in transparency, open science, and cross-collaboration, and to date, we’ve released over a thousand open-source libraries, models, datasets, and more.
Learn moreSupporting developers building with open source AI for social impact
To help organizations around the world leverage the benefits of open source AI, we’ve expanded our grant program to a portfolio of grants, awards, and more to showcase how open source AI can promote social and economic progress.
Llama Impact Grants
Since Llama’s release, we have continued to introduce programs intended to identify and support the use of these models for social impact. Building upon our ongoing commitment to support impactful applications of Llama, we are excited to announce the Llama 3.1 Impact Grants.
Learn more
Llama Impact Innovation Awards
The Llama Impact Innovation Awards were launched to identify and support organizations based in Africa, the Middle East, Turkey, Asia Pacific, and Latin America that were already using Llama to address local issues related to education, public services, economic development, and more.
Learn moreLlama 4: Leading intelligence. Unrivaled speed and efficiency.
The most intelligent, scalable, and convenient generation of Llama is here: natively multimodal, mixture-of-experts models, advanced reasoning, and industry-leading context windows. Build your greatest ideas and seamlessly deploy in minutes with Llama API and Llama Stack.
Explore more on Meta’s open source AI
Latest News
Everything we announced at our first-ever LlamaCon
Here’s a look at what we announced at LlamaCon and how you can get started with our newest releases.
Read more
The Llama 4 herd: The beginning of a new era of natively multimodal AI innovation
We’re introducing Llama 4 Scout and Llama 4 Maverick, the first open-weight natively multimodal models with unprecedented context support and our first built using a mixture-of-experts (MoE) architecture.
Read more
Our open source Llama models are helping to spur economic growth in the US
We’ve shared how Llama’s impact has already been felt by businesses and entrepreneurs. And today, we’re looking at how Llama is helping to spur economic growth in the US.
Our approach
Latest news
Foundational models
Meta © 2026