Research Note

Open Model Access Taxonomy

Describe model access along separate dimensions: weights, architecture, inference code, training code, data information, documentation, license rights, restrictions, acce

Aug 4, 20261 min readBy Dalton Anderson

Source conversation

Unlocking the Power of Open-Source AI: Exploring Meta's Llama 3.1 Release

Summary Meta's Llama 3.1 is an open-source AI model that allows users to download and run it on their own infrastructure. It has a 405 billion parameter model with an increased context window of 128K, allowing for more complex conversations and accurate responses. The model supports up to eight languages and provides features like multi-language support and translation. Meta spent around $600 million on training the model and made it available for free to empower users and organizations. The release of Llama 3.1 marks the first open-source frontier model. Users can download the model and use it with partners like Databricks and NVIDIA, who offer a full suite of tools and functions to customize and integrate the model into various projects. Safety features like Llama Guard and Prompt Guard are also available to prevent misuse and gaming of the system. The conversation explores the benefits and importance of open source AI models, such as Llama, developed by Meta.

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Open Model Access Taxonomy

Describe model access along separate dimensions: weights, architecture, inference code, training code, data information, documentation, license rights, restrictions, acceptable use, redistribution, modification, output use, commercial terms, hosting options, and reproducibility.

"Open weight" means parameters are available under stated terms. "Open source AI" should be reserved for systems that meet an identified definition, such as the Open Source AI Definition 1.0, after reviewing the required components and freedoms.

Do not infer rights from download access or a marketing label. Read the exact license for the exact artifact and use case.

Sources

Follow the evidence.

Introducing Llama 3.1ai.meta.com
ai.meta.com: the llama 3 herd of modelsai.meta.com
owasp.org: www project top 10 for large language model applicationsowasp.org
github.com: PurpleLlamagithub.com
huggingface.co: modelshuggingface.co
NIST AI Risk Management Frameworknist.gov
genai.owasp.org: owasp top 10 for llm applications 2025genai.owasp.org
huggingface.co: model memory anatomyhuggingface.co
youtu.be: gg2I5iO1x0oyoutu.be
github.com: MODEL CARDgithub.com
daltonanderson.ghost.io: unlocking llama 3 1 metas open source ai revolutiondaltonanderson.ghost.io
Meta Llama models repositorygithub.com
cloud.google.com: prompt design strategiescloud.google.com
docs.nvidia.com: benchmarkingdocs.nvidia.com
docs.cloud.google.com: tune modelsdocs.cloud.google.com
NIST: Artificial Intelligence Risk Management Framework, Generative Artificial Intelligence Profilenist.gov
docs.cloud.google.com: rag quickstartdocs.cloud.google.com
opensource.org: open source ai definitionopensource.org
github.com: USE POLICYgithub.com
github.com: LICENSEgithub.com
open.spotify.com: 6DI2GolY5QTfflWBunE2xiopen.spotify.com