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Llama-2-7b-chat-hf

LLaMA 2 7B Chat is Meta's 7B RLHF-aligned conversational model from 2023. While superseded by LLaMA 3 and later releases, it remains a well-understood reference model used for fine-tuning experiments, benchmarking, and educational purposes.

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From the model card

Fields below are copied from the tags and counters on the HuggingFace repository meta-llama/Llama-2-7b-chat-hf at our last fetch. They are set by the uploader, not verified by us; rows with no tag are omitted. How this page is made.

Publisher (HF namespace)
meta-llama
Pipeline tag
text-generation
Library
Transformers
Framework tags
PyTorch
Weight formats
safetensors
License tag
llama2 — read the license file in the repo before relying on it
Language tags
English (en)
Papers cited
arXiv:2307.09288
Downloads (HF counter at last fetch)
508,888
Likes (HF counter at last fetch)
4,823
Model card
https://huggingface.co/meta-llama/Llama-2-7b-chat-hf

Use cases

  • Baseline for fine-tuning experiments where a reproducible 7B RLHF model is needed
  • Teaching and research on instruction-tuned model behavior
  • Legacy pipelines already built around LLaMA 2 weights
  • Evaluating fine-tuning techniques on a well-benchmarked foundation

Pros

  • Extensively benchmarked — results in literature are directly comparable
  • Well-supported by every major inference framework
  • LLaMA 2 license permits commercial use with restrictions
  • 7B is a comfortable size for single-GPU fine-tuning

Cons

  • Knowledge cutoff mid-2023; outdated facts and events
  • Significantly outperformed by LLaMA 3.1 7B and later models on most benchmarks
  • Context window limited to 4096 tokens
  • Chat template requires explicit formatting to work correctly

Tags

transformerspytorchsafetensorsllamatext-generationfacebookmetallama-2conversationalenarxiv:2307.09288license:llama2text-generation-inferenceendpoints_compatibleregion:usdeploy:sagemaker