Meta released their open source LLM, Llama 2. Does Llama 2 have real time data or this was trained on data available till some date?
According to Llama 2's model card:
The pretraining data has a cutoff of September 2022, but some tuning data is more recent, up to July 2023
Llama 2 is provided as a downloadable model, rather than an online service, so the model won't be continuously updated with real-time data. There are however ways you could teach it new knowledge without re-training from scratch.
Most likely pre-trained however, some interfaces allow input from web searches e.g. https://huggingface.co/chat/ allows to search web with your input as well as utilise it's pre-trained data.
I also found this: https://github.com/facebookresearch/llama/blob/main/MODEL_CARD.md
Which states: "Data Freshness The pretraining data has a cutoff of September 2022, but some tuning data is more recent, up to July 2023."