> For the complete documentation index, see [llms.txt](https://rhys-nemo.gitbook.io/tokenomics-bible/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://rhys-nemo.gitbook.io/tokenomics-bible/ai/existing-ai-models.md).

# Existing AI models

**LLaMa**

* Built by Meta (Facebook) - collection of language models ranging from 7B to 65B parameters
* LLaMA-13B is 10x more powerful then ChatGPT-3 while being 10x smaller

**GPT**

* ChatGPT-3.5, ChatGPT-4 are examples of LLMs
* ChatGPT has 175 billion parameters

**llama.cpc**

* C/C++ model to quiery LLaMA model
* Completely open source
* Allows to run on the Mac
* Only runs on the CPU
* Lower accuracy & degradation - leads to lower precision (loss of information)

**alpaca.cpp**

* Same as llama model
* It is an instruction-follow model
* Fine-tuned version of llama 7B