| Model Type |  | 
| Use Cases | 
| Areas: | | commercial applications, research | 
 |  | Applications: | | chatbots, natural language generation tasks | 
 |  | Primary Use Cases: | | assistant-like interactions | 
 |  | Limitations: | | English-only capability., Not intended for use in legally restricted areas. | 
 |  | Considerations: | | Ensure compliance with the provided Acceptable Use Policy. | 
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| Additional Notes | | Technically adept users may modify and adapt quantization with stepwise guidance provided in the repository. | 
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| Supported Languages | | en (high), other_languages (not listed) | 
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| Training Details | 
| Data Sources: | | publicly available sources, human-annotated examples | 
 |  | Data Volume: |  |  | Methodology: | | pretraining and fine-tuning with supervised techniques; uses Grouped-Query Attention for scalability in larger models | 
 |  | Context Length: |  |  | Training Time: | | January 2023 to July 2023 | 
 |  | Hardware Used: | | A100-80GB GPUs during pretraining | 
 |  | Model Architecture: | | optimized transformer architecture | 
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| Safety Evaluation | 
| Methodologies: | | internal safety evaluations, comparison with open-source and proprietary models | 
 |  | Findings: | | Llama-2-Chat performs better on safety benchmarks than Llama 1 and comparably to some closed-source models. | 
 |  | Risk Categories: |  |  | Ethical Considerations: | | Developers must ensure safety testing and tuning tailored to specific applications. | 
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| Responsible Ai Considerations | 
| Fairness: | | The model is only tested in English. | 
 |  | Transparency: | | The model's limitations and risk areas are highlighted. | 
 |  | Accountability: | | Meta is accountable for the model's outputs. | 
 |  | Mitigation Strategies: | | Meta offers a Responsible Use Guide to help developers safely use the model. | 
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| Input Output | 
| Input Format: | | Input text prompts in provided template form. | 
 |  | Accepted Modalities: |  |  | Output Format: | | Textual generation output. | 
 |  | Performance Tips: | | Use proper configuration and hardware acceleration for optimal performance. | 
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| Release Notes | | 
| Version: |  |  | Date: |  |  | Notes: | | Release of Llama 2 fine-tuned model with conversational optimization. | 
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