Meta Llama: Everything you need to know about the open generative AI model

Like every major technology company nowadays, Meta has its own flagship generator AI model known as Lama. The Lama is somewhat unique in the big models that it is “exposed”, which means developers can download it and use it, but they can please (with certain limitations). It is contrary to models like anthropic clod, Google’s Gemi, Jy’s Grock and most chatzPT models like Openai, which can only be accessed through API.

In the interest of giving developers, however, the Meta Lama has also parted with vendors including AWS, Google Cloud and Microsoft Azur to make the Meta Lamar cloud-hosted versions available. Also, the company publishes equipment, libraries and recipes in its Lama Cookbook to help developers to help them delicate, evaluate and adapt to their domain. With the new generation Lama 3 and Lama 4, these capabilities have expanded to include domestic multimodal support and broad cloud rollouts.

Here is what you need to know about the Meta Lama, from its ability and versions you can use where it is. We will keep this post updated because the meta release publishes upgrades and introduce the new Dev tools to support the use of the model.

What is the Lama?

Lama is a family of models – not just one. The latest version is Lama 4; It was published in April 2025 and it contains three models:

• Scout: 17 billion active parameters, 109 billion total parameters and a context window of 10 million token.

• Mavarick: 17 billion active parameters, total parameters of 400 billion and a context window of 1 million token.

• Uninterrupted: Not yet published but there will be 288 billion active parameters and 2 trillion total parameters.

(In Data Science, tokens are the sub -divided bits of raw information, such as “fantastic” on the word syllables “fan,” “TAS” and “tick”.

Context of a model, or context window, input data (eg, text) which is considered before producing the model output (eg, additional text). In the long context, models can “forget” the recent dox and data content and to prevent the subject from removing and incorrectly extrapoot. However, the longer the windows may also be The result of the model is “forgotten” to maintain the specified security And the conversation is more prone to creating a compatible content, which has led to some users ConfusingThe

For references, the 10 million context window that promises the Lama 4 scout is equal to about 80 average novel text. Call 4 MavarickThe 1 million context window is equal to eight novels.

According to the meta, all the Lamas 4 models were trained in “wide visual understanding” as well as in 200 languages ​​”abundant text, image and video data”.

Lama 4 Scouts and Maverrick are Meta’s first Open-Open Multimodal Model locally. They are built using a “mixed expert” (MOE) architecture, which reduces calculation load and improves training and assumption skills. For example, the scout has 16 experts and Mavarick has 128 experts.

The Lama 4 Behemoth includes 16 experts in the Behemoth and Meta referred to it as a teacher of small models.

The Lama is made in 4 Lama 3 series, it includes 3.1 and 3.2 models used for the deployment of instructed-protected applications and clouds.

What can the llama do?

Lama, like other generators AI models, can also perform a variety of helpful tasks, such as coding and answering basic mathematics, as well as at least 12 languages ​​(Arabic, German, French, Hindi, Indonesian, Indonesian, Portuguese, Hindi, Spanish, Taglog, Taglog, Thai, and Vietnamese). Most of the text-based work stress-PDFS and spreads like spreadsheets are analyzed by the idea that all the Lama 4 model supports the text, image and video input.

Lama 4 Scouts are designed for long work flow and huge data analysis. Mavarick is a generalist model that is better to balance the strength and reaction speed and suitable for coding, chatboats and technical assistants. And Behemoth is designed for advanced research, models and stem functions.

Lama models with Lama 4.1 can be configured to perform third -party applications, equipment and APIs. They are trained to use bold search to answer questions about recent events; Wolfram alpha API for mathematics and science related questions; And a Python interpreter to validate the code. However, these tools require the right configuration and are not able to automatically outside the box.

Where can I use the Lama?

If you are just trying to chat with Lama then it is Meta AI chatboat experience power Facebook Messenger, WhatsApp, Instagram, Okulus and Meta in 40 countries. Lama’s subtle tunnel versions are used in more than 200 countries and regions in the meta AI experience.

Lama 4 Model Scouts and Mavarick AI Developer Platforms are available to Lama.com and Meta Partners with hug face. Behemoth is still in training. Building developers with Lamama can download, use or subtle the model across most popular cloud platforms. Meta has claimed that Lama has more than 25 partners in hosting, including Nvidia, Databrix, Grock, Dell and Snowflake. And Meta’s publicly available models “access sales” is not a model of the meta business, but the company makes some money Revenue Including the model host.

Some of these partners have created additional equipment and services at the top of the lama, with equipment that allow models to refer to owned data and enable them to run in low delays.

Importantly, the license of the Lama The developers limit how the model can be placed: App developers with more than 700 million monthly users must require a special license from the meta that the company will allow the company to be considered.

In May 2025, Meta has launched a New program To encourage startups to accept its Lama models. For startups, Lama gives companies aid from the Meta Lama team and access to potential funds.

In addition to Lama, the meta provides the tools created for “safe” the model:

• Call guardA restraint structure.

• CybersevalA cyberssiology risk-assessment suite.

• Lama firewallBuilding Protected AI systems are a protective guardian designed to enable.

• Shield of the codeWhich provides assistance for filtering the estimation of the unsafe code produced by LLMS.

The Lama Guard tries to detect-or-generated issues of fed by a Lama model with contents related to criminal activity, child exploitation, copyright violation, hatred, self-loss and sexual abuse.

It said it was obviously not a silver bullet Meta’s own previous guide Chatbot has allowed the minor to be involved in sensual and romantic chats and some reports showed that it turned on Sexual conversationThe Developers can Customized Apply blocks in all languages ​​in all languages.

Lama, like the Lama Guard, can block the text intended for Lama like a prompt guard but only the text to “attack” the model and get it to treat it in an unwanted way. Meta claims that the Lama Guard can clearly protect against contaminated prompts (eg, the jailbreaks that try to get around the lama built -in protection filters) in addition to prompts “”Input injectionThe “Lama Firewall works to detect and prevent risk such as instant injection, unsafe code and risky equipment interaction and code shield and provides secured command executions for seven programming languages.

As a cyberssval, it is less tools than the collection of criteria for measuring model protection. A Lama model of Cyberseval can evaluate a lamar model for applicants and last users in fields such as “Automated Social Engineering” and “Scaling offensive Cyber ​​Operations” (at least according to the metter criteria).

Lame

The Lama brings some risks and limitations like the AI ​​model of the Lama. For example, though its recent model has multimodal properties, they are mainly limited to the English language.

Zoom out, Meta has used a dataset of e-book to pirated And its lamina models are articles for training. A federal judge recently supported Meta in the copyright case against the company by the author of the six books, ruled that the use of copyrighted work for training was “fair use”. However, if the lama Resume A copyrighted snippet and someone uses it in any product, they can probably violate the copyright and be responsible.

Meta controversially trains Instagram and Facebook posts, photos and captions and its AI and Makes users hard to opt out on behalf ofThe

Programming is another field where it is wise to walk lightly when using the Lama. Because the Lama may – maybe its generator is more than AI parts – Produce the buggy or insecure codeThe Opened LivecodbenchAy Benchmark It examines AI models on competitive coding problems, Mater Lama 4 Mavarick Model has earned 40%score. This is compared to 85% for the Openai GPT -5 high and 83% for Jei Grock 4 quickly.

As usual, it is best to review an AI-exposed code before incorporating it into a service or software.

Finally, like other AI models, Lama models are still admirable-sounding but guilty of lies or misleading information, whether it is coding, legal direction or not AI Personas sensitive conversation.

It was originally published on September 8, 2024 and it was updated regularly with new information.