• Meta Platforms has introduced Llama 2 Long, an advanced AI model demonstrating superior capability in generating long-prompt responses.

  • Llama 2 Long has outperformed leading models including OpenAI’s GPT-3.5 Turbo and Claude 2.

  • This innovative model underwent continual pretraining from the original Llama 2 and involved enhancements in Rotary Positional Embedding (RoPE) encoding.

  • The AI community has showcased enthusiasm and appreciation for Meta’s open-source approach to generative AI.

Meta Platforms, while revealing a multitude of AI features for its services including Facebook and WhatsApp, has discreetly unleashed a revolutionary AI model, Llama 2 Long. The model, a more refined version of Llama 2, is notable for its proficiency in long-prompt responses, surpassing competitors such as OpenAI’s GPT-3.5 Turbo and Claude 2.

Development & Training

  • Base Model: Llama 2 Long is an extension of the open-source Llama 2.

  • Training Parameters: The model operates on different training parameter sizes, including 7 billion, 13 billion, 34 billion, and 70 billion variants.

  • Enhanced Dataset: An additional 400 billion tokens were included for extensive training, focusing on longer text data sources.

  • Architecture Modifications: Only pivotal modifications were made, specifically to the Rotary Positional Embedding (RoPE) encoding, enabling the model to accommodate longer training sequences and distant tokens efficiently.

Performance & Applications

  • Tasks: The model exhibits superior performance in coding, mathematics, language understanding, and common sense reasoning.

  • Learning Approach: The model utilizes reinforcement learning from human feedback (RLHF) and synthetic data generated by Llama 2, allowing enhanced response accuracy in a variety of tasks.

  • Recognition: The open-source AI community has widely acknowledged the advancements in Llama 2 Long, appreciating its capabilities and Meta’s open-source approach in generative AI models.

Community Response

Llama 2 Long’s release has stirred enthusiasm and admiration among AI enthusiasts and experts, validating the potential and efficacy of open-source models in comparison to the closed-source, commercial alternatives. The heightened interest and commendation from platforms like Reddit and Twitter underscore the model’s significance in the evolving AI landscape.


Meta’s Llama 2 Long stands out as a groundbreaking advancement in AI, excelling in tasks requiring long-prompt responses and showcasing the viability of open-source models in the competitive AI domain. The subtle enhancements and the innovative approach in its development have not only enhanced its capabilities but also have marked a significant stride in generative AI, receiving widespread acclaim and interest from the AI community

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The Obsessed Guy
Hi, I'm The Obsessed Guy and I am passionate about artificial intelligence. I have spent years studying and working in the field, and I am fascinated by the potential of machine learning, deep learning, and natural language processing. I love exploring how these technologies are being used to solve real-world problems and am always eager to learn more. In my spare time, you can find me tinkering with neural networks and reading about the latest AI research.


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