Llama 2 Chat (7B)

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The Llama 2 Chat (7B) model, licensed by Meta, is a unique large language model with a smaller context window. While it shines in handling routine tasks and casual conversations, it requires fine-tuning to handle complex, in-depth interactions.

LicenseLLAMA 2 Community License
Context window(in thousands)4096

Use cases for Llama 2 Chat (7B)

  1. Chat with docs: Llama 2 Chat (7B) can be effectively used for interacting with documentation, aiding in understanding and navigating complex information.
  2. Text summarization: This model can summarize large volumes of text data, making it useful for extracting key points from lengthy documents.
  3. Sentiment analysis: It's capable of analyzing the sentiment of textual data, providing valuable insights for market research or customer feedback analysis.
Arena Elo1037
MT Bench6.27

Llama 2 Chat (7B) delivers satisfactory conversation understanding, translation competence, and AI response quality.

Code Llama 70B Instruct


Gemma 7B IT


Llama 2 Chat (7B)


Nous Hermes 2 Mistral 7B


Mistral 7B Instruct v0.1


Throughput(output tokens per second)83
Latency(seconds to first tokens chunk received)0.7
Total Response Time(seconds to output 100 tokens)2.1

This model offers moderate throughput, making it suitable for applications with average user concurrency. However, its high latency might not be ideal for real-time interactions. The total response time is moderate, indicating a balanced performance for various use cases.


The cost of running the model with Telnyx Inference is $0.0002 per 1,000 tokens. For instance, analyzing 1,000,000 customer chats, assuming each chat is 1,000 tokens long, would cost $200.

What's Twitter saying?

  • Model comparison: Isha's latest blog post contrasts the performance of Llama 2-7b-chat with Mistral-7b-instruct-v0.2, hinting that the results may surprise you. read more
  • Function calling: Andriy Burkov announces a Llama-2-based model fine-tuned for function calling. find out more
  • Model compression: Neural Magic touts their success in using SparseGPT to compress popular fine-tuned LLMs by 50%, including Llama 2 7B chat. learn more

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What is the llama-2-7b-chat-hf model?

The llama-2-7b-chat-hf model is a variant of the Llama 2 large language models developed by Meta, fine-tuned for dialogue scenarios. It features 7 billion parameters and uses an optimized transformer architecture for improved chat performance.

How was the llama-2-7b-chat-hf model trained?

This model was trained on a diverse dataset comprising 2 trillion tokens, sourced from publicly available online data between January 2023 and July 2023. It employs both supervised fine-tuning (SFT) and reinforcement learning with human feedback (RLHF) to better align with human preferences for helpfulness and safety in conversations.

How does llama-2-7b-chat-hf compare to ChatGPT and other models?

Llama-2-7b-chat-hf outperforms most open-source chat models in benchmarks and competes closely with popular closed-source models like ChatGPT and PaLM in terms of safety and helpfulness. However, it may not match the performance of ChatGPT in all scenarios, particularly in non-English languages or complex instruction-following tasks.

What are the intended uses for the llama-2-7b-chat-hf model?

The model is designed for commercial and research applications in English, excelling in assistant-like chat functionalities. While it's optimized for dialogue, the pretrained versions can be adapted for a wide range of natural language generation tasks.

What are the limitations of using llama-2-7b-chat-hf?

The main limitations include its focus on English language, making it less suitable for other languages, and its usage being governed by a custom commercial license. Additionally, it might not perform as well in practice compared to some other models like ChatGPT, especially in languages other than English.

Can I use llama-2-7b-chat-hf for my project?

Yes, the llama-2-7b-chat-hf model is available for commercial and research use, particularly for those looking to incorporate chat functionalities into their applications. However, it is recommended for use in English language projects. For integrating this model into connectivity apps, platforms like Telnyx can be considered. For more information, visit Telnyx.

How do I get started with using the llama-2-7b-chat-hf model?

To start using the llama-2-7b-chat-hf model, you can access it through platforms that support its integration, such as Hugging Face or Telnyx for building it into connectivity applications. Ensure you review the model's license and capabilities to match your project's requirements.