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license: apache-2.0
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---
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---
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license: apache-2.0
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tags:
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- snowflake
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- arctic
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---
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## Model Details
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Arctic is a Dense-MoE Hybrid transformer architecture pre-trained from scratch by the Snowflake AI
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Research Team. We are releasing model checkpoints for both the base and instruct-tuned versions of
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Arctic under an Apache-2.0 license. This means you can use them freely in your own research,
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prototypes, and products.
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* [Arctic-Base](link-here)
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* [Acrtic-Instruct](link-to-instruct)
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**Model developers** Snowflake
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**License** Apache-2.0
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**Input** Models input text only.
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**Output** Models generate text and code only.
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**Model Release Date** April, 24th 2024.
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## Model Architecture
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Arctic combines a 10B dense transformer model with a residual 128x3.66B MoE MLP resulting in 480B
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total and 17B active parameters chosen using a top-2 gating. For more details about Arctic's model
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architecture please see our cookbook
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## Usage
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As of 4/24/2024 we are actively working with the maintainers of `transformers` to include the Arctic
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model implementation. Until this support is released please follow these instructions to get the
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required dependencies for using Arctic:
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```python
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pip install git+https://github.com/Snowflake-Labs/transformers.git
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```
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Arctic leverages several features from [DeepSpeed](https://github.com/microsoft/DeepSpeed), you will need to
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install the latest version of DeepSpeed to get all of these required features:
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```python
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pip install "deepspeed>=0.15.0"
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```
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### Inference
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To get the best performance with Arctic we highly recommend using TRT-LLM or vLLM for inference. However you
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can also use `transformers` to load
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the model for text generation. Due to the model size we recommend using a single 8xH100 instance from your
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favorite cloud provider such as: AWS [p5.48xlarge](https://aws.amazon.com/ec2/instance-types/p5/),
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Azure [ND96isr_H100_v5](https://learn.microsoft.com/en-us/azure/virtual-machines/nd-h100-v5-series), etc.
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In addition, if you would like to access Acrtic via API we have colloborated with several inference API
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providers to host Acrtic such as AWS, Microsoft Azure, NVIDIA Foundry, Lamini, Perplexity, Replicate and Together.
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```python
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import torch
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from transformers import AutoTokenizer, AutoModelForCausalLM
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tokenizer = AutoTokenizer.from_pretrained("snowflake/arctic")
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model = AutoModelForCausalLM.from_pretrained("snowflake/arctic", device_map="auto", torch_dtype=torch.bfloat16)
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input_text = "Hello my name is "
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input_ids = tokenizer(input_text, return_tensors="pt").to("cuda")
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outputs = model.generate(**input_ids, max_new_tokens=20)
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print(tokenizer.decode(outputs[0]))
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```
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### Fine-Tuning
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TODO: add link and extra details about fine-tuning scripts
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## Metrics
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TODO: add summary of metrics here, we don't necessarily need to compare to others but we can if we want
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## Training Data
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TODO: add short description and links to training data related cookbook(s)
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