Llama
Meta's open-source family of large language models you can download, customize, and run without API costs or vendor lock-in.
What is Llama?
Llama is Meta's family of open-source large language models that you can download and run yourself.
Unlike ChatGPT or Claude, Llama models come with open weights. You get the actual model files to host wherever you want, fine-tune for your specific use case, and deploy without ongoing API costs.
Most builders use Llama through Hugging Face or cloud providers like AWS. The latest version, Llama 4, includes models from 7B to 400B parameters with features like 10 million token context windows and native multimodal capabilities. It's become the most downloaded open-source AI model family with over 1 billion downloads since 2023.
Free to use under Meta's permissive license. You only pay for your own compute costs.
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Related Terms
A unified API that gives you access to 400+ AI models from dozens of providers through a single endpoint and API key.
The amount of text an AI model can remember and process at once, measured in tokens. Bigger windows mean longer conversations and documents.
The text instruction you give an AI model to tell it what you want it to do, like asking ChatGPT to write code or explain a concept.
Instructions that define an AI's behavior, personality, and constraints before it responds to user queries.
Training a pre-trained AI model on your specific data to make it better at your exact use case without building from scratch.
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