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Model: NucleusAI/nucleus-22B-token-500B Source: Original Platform
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license: mit
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language:
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- en
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# 🚀 Nucleus-22B-token-500B
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**Nucleus-22B-token-500B is a 22B parameters causal decoder-only model built by Nucleus.AI and trained on 500B tokens of [RefinedWeb](https://huggingface.co/datasets/tiiuae/falcon-refinedweb) along with curated corpora. It is made available under the MIT license.**
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*1T-token model coming soon* 😊.
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## What about Nucleus-22B-token-500B?
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* **It performs well compared to similar-size open-source models** (e.g., [MPT-7B](https://huggingface.co/mosaicml/mpt-7b), [StableLM](https://github.com/Stability-AI/StableLM), [RedPajama](https://huggingface.co/togethercomputer/RedPajama-INCITE-Base-7B-v0.1) etc.), thanks to being trained on 500B tokens of [RefinedWeb](https://huggingface.co/datasets/tiiuae/falcon-refinedweb) enhanced with curated corpora. See the [OpenLLM Leaderboard](https://huggingface.co/spaces/HuggingFaceH4/open_llm_leaderboard).
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* **It is made available under an MIT license**.
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* **It is trained by a small team of four passionate for Open Source**
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⚠️ **This is a raw, pretrained model, which should be further finetuned for most usecases.**
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# Model Card for Nucleus-22B-token-500B
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## Model Details
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### Model Description
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- **Developed by:** NucleusAI;
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- **Model type:** Causal decoder-only;
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- **Language(s) (NLP):** English;
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- **License:** MIT.
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### Model Source
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- **Paper:** *coming soon*.
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## Uses
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### Direct Use
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Research on large language models; as a foundation for further specialization and finetuning for specific usecases (e.g., summarization, text generation, chatbot, etc.)
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### Out-of-Scope Use
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Production use without adequate assessment of risks and mitigation; any use cases which may be considered irresponsible or harmful.
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## Bias, Risks, and Limitations
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Nucleus-22B-token-500B is trained on English data only, and will not generalize appropriately to other languages. Furthermore, as it is trained on a large-scale corpora representative of the web, it will carry the stereotypes and biases commonly encountered online.
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### Recommendations
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We recommend users of Nucleus-22B-token-500B to consider finetuning it for the specific set of tasks of interest, and for guardrails and appropriate precautions to be taken for any production use.
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## How to Get Started with the Mode
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## Training Details
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### Training Data
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Nucleus-22B-token-500B was trained on 500B tokens of [RefinedWeb](https://huggingface.co/datasets/tiiuae/falcon-refinedweb), along with other corpora.
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| **Data source** | **Fraction** | **Tokens** | **Sources** |
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|--------------------|--------------|------------|-----------------------------------|
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| [RefinedWeb-English](https://huggingface.co/datasets/tiiuae/falcon-refinedweb) | 75% | 200B | massive web crawl |
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| Books | 7% | 21B | |
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| Code | 7% | 21B | Big Code, CodeNet |
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| Technical | 6% | 19B | arXiv |
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| Math | 5% | 17B | Mathematica, Khan Academy |
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The data was tokenized with the tokenizer similar to Llama-[7B](https://huggingface.co/meta-llama/Llama-2-7b).
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### Training Procedure
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Nucleus-22B-token-500B was trained on 256 A100 80GB GPUs, using a FSDP
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#### Training Hyperparameters
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| **Hyperparameter** | **Value** | **Comment** |
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|--------------------|------------|-------------------------------------------|
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| Precision | `bfloat16` | |
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| Optimizer | AdamW | |
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| Learning rate | 2e-4 | 8B tokens warm-up, cosine decay to 1.e-5 |
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| Weight decay | 1e-1 | |
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| Batch size | 2048 | constant |
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| Context length | 2048 | constant |
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#### Speeds, Sizes, Times
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Training happened in early August 2023 and took about two weeks.
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