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Meta Llama Everything You Need to Know About the Open Generative AI Model

3 min read

Meta’s Llama models are a unique addition to the world of generative AI. These open models offer versatility across various hardware and a broad range of capabilities.

From general-purpose applications to advanced tasks, Llama provides a flexible solution for developers. Here’s an in-depth look at what Llama can do, where it can be used, and its limitations.

What is Llama?

Llama is a family of models, including Llama 8B, Llama 70B, and Llama 405B. The latest versions are Llama 3.1 8B, Llama 3.1 70B, and Llama 3.1 405B, released in July 2024. They are trained on various web pages, public code, and synthetic data.

Llama 3.1 8B and Llama 3.1 70B are compact models designed to run on devices ranging from laptops to servers. Meanwhile, Llama 3.1 405B is a large-scale model typically requiring data center hardware. The smaller models are faster but less capable.

All Llama models feature a context window of 128,000 tokens, translating to around 100,000 words or 300 pages. This extended context helps prevent models from veering off topic and ensures they remember recent data.

What can Llama do?

Llama can perform various assistive tasks, such as coding, answering basic math questions, and summarizing documents in eight languages. It excels in text-based workloads but currently does not handle images.

The latest models are equipped to leverage third-party apps, tools, and APIs, like Brave Search, Wolfram Alpha, and a Python interpreter. Meta claims these models can even use certain unfamiliar tools, although reliability varies.

Like other AI models, Llama has its limitations. For example, it might produce buggy or insecure code. Therefore, a human review is advisable before incorporating AI-generated code into applications.

Where can I use Llama?

Llama powers AI chatbot experiences on platforms like Messenger, WhatsApp, Instagram, Oculus, and Meta.ai. Developers can download, use, or fine-tune the model across many popular cloud platforms.

Meta has over 25 partners hosting Llama, including Nvidia, Databricks, Groq, Dell, and Snowflake. Some partners offer additional tools and services to enhance Llama’s functionality. Smaller models like Llama 8B and Llama 70B are recommended for general applications, while Llama 405B is ideal for model distillation and generating synthetic data.

However, developers should note that a special license from Meta is required for app developers with more than 700 million monthly users. This license is granted at Meta’s discretion.

What tools does Meta offer for Llama?

Meta provides several tools to enhance Llama’s usability, including Llama Guard, Prompt Guard, and CyberSecEval. These tools aim to make the model safer by detecting problematic content and protecting against malicious attacks.

Llama Guard can identify and block problematic content, including criminal activity, copyright violations, and self-harm. Developers can customize blocked categories.

Prompt Guard protects against prompt injection attacks, making sure that malicious inputs are blocked. CyberSecEval offers benchmarks to measure model security in areas like automated social engineering and scaling offensive cyber operations.

Llama’s limitations

Llama has certain risks and limitations. Meta has controversially trained its AI on social media posts and makes it difficult for users to opt out. This has led to ongoing lawsuits over the use of copyrighted data for model training.

Users should be cautious when using Llama for programming tasks, as the model might produce buggy or insecure code. A human expert should always review AI-generated code before it’s used in any application.


Llama offers a robust, open model for developers needing versatile AI solutions. However, its limitations mean cautious use is advised.

As AI continues to evolve, models like Llama will play a crucial role in shaping the future of technology and applications.

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