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Llama

As explained in Software Testing with Generative AI

Llama-2 is an open-source family of large language models released by Meta that can be downloaded and further trained.

Llama is Meta’s open-source family of large language models. Its range of model sizes and accessible licensing has made it a popular foundational model for AI development. section 2.5.2

Key characteristics include:

  • Models are available in 8-billion- and 70-billion-parameter sizes. section 2.5.2
  • Users must source their own datasets and infrastructure because Meta does not provide a public platform for training and running Llama variants. section 2.5.2

Access trade-off

Llama offers more direct access than proprietary model families, supporting experimentation and further training while shifting dataset and infrastructure responsibilities to the user. section 2.5.2

How Software Testing with Generative AI covers it

How deep it goes
Defines its openness, sizes, and access trade-offs but does not detail model architecture, training procedures, or evaluation.
Examples
Uses 8-billion- and 70-billion-parameter variants and the need for self-sourced datasets and infrastructure as concrete examples.
What you can do after
Evaluate/understand Llama’s openness, model-size options, and practical requirements for training or deployment.
How it connects
Contrasts Llama with OpenAI GPT models and Google Gemini, and relates it to Hugging Face, datasets, and model training.

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This explainer was generated by Manning's knowledge graph from the text of Software Testing with Generative AI. The section links point to the parts of the book it draws on.