Llama2 by Meta
Language model for reasoning & tests
About Llama2 by Meta
"Llama 2 is an open-source large language model created by Meta. It is offered for free for research and commercial purposes. This advanced model features pretrained and fine-tuned language models ranging from 7B to 70B parameters. The pretrained models underwent training on 2 trillion tokens and offer a context length twice that of Llama 1. The fine-tuned models have been trained using over 1 million human annotations. Llama 2 surpasses other open-source language models in various benchmarks, including reasoning, coding, proficiency, and knowledge assessments. The model utilizes publicly available online data sources for pretraining and publicly available instructional datasets, along with over 1 million human annotations for fine-tuning. Meta has formed alliances with cloud providers, companies, and researchers who endorse their open strategy. Their goal is to establish a responsible and cooperative AI innovation environment. They offer resources like a Responsible Use Guide for developers, safety red-teaming for improved performance and safety, an Open Innovation AI Research Community for academic researchers, and the Llama Impact Challenge to promote the use of Llama 2 in addressing environmental and educational issues. Meta also runs a Generative AI Community Forum, in collaboration with Stanford Deliberative Democracy Lab and the Behavioral Insights Team, to engage the community in decision-making regarding generative AI technologies. To access Llama 2, users need to fill out a download form, agreeing to Meta's privacy policy. Additional resources, including a technical overview, research paper, and blog post, offer more insights into Llama 2 and its responsible usage. "
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