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Model: arcee-ai/AFM-4.5B-Base-Pre-Anneal
Source: Original Platform

README.md

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+---
+license: apache-2.0
+language:
+- en
+- es
+- fr
+- de
+- it
+- pt
+- ru
+- ar
+- hi
+- ko
+- zh
+library_name: transformers
+extra_gated_prompt: Company name is optional, please put NA if you would prefer not to share it.
+---
+
+<div align="center">
+  <picture>
+      <img src="https://cdn-uploads.huggingface.co/production/uploads/6435718aaaef013d1aec3b8b/Lj9YVLIKKdImV_jID0A1g.png" width="25%" alt="Arcee AFM 4.5B">
+  </picture>
+</div>
+
+# AFM-4.5B-Base-Pre-Anneal
+
+**AFM-4.5B-Base-Pre-Anneal** is a 4.5 billion parameter instruction-tuned model developed by Arcee.ai, designed for enterprise-grade performance across diverse deployment environments from cloud to edge. The base model was trained on a dataset of 6.5 trillion tokens of general pretraining data. We use a modified version of [TorchTitan](https://arxiv.org/abs/2410.06511) for pretraining.
+
+The development of AFM-4.5B prioritized data quality as a fundamental requirement for achieving robust model performance. We collaborated with DatologyAI, a company specializing in large-scale data curation. DatologyAI's curation pipeline integrates a suite of proprietary algorithms—model-based quality filtering, embedding-based curation, target distribution-matching, source mixing, and synthetic data. Their expertise enabled the creation of a curated dataset tailored to support strong real-world performance.
+
+The model architecture follows a standard transformer decoder-only design based on Vaswani et al., incorporating several key modifications for enhanced performance and efficiency. Notable architectural features include grouped query attention for improved inference efficiency and ReLU^2 activation functions instead of SwiGLU to enable sparsification while maintaining or exceeding performance benchmarks.
+
+The model available in this repo is the base model before it was annealed with math and code and before merging and context extension.
+
+***
+
+<div align="center">
+  <picture>
+      <img src="https://cdn-uploads.huggingface.co/production/uploads/6435718aaaef013d1aec3b8b/sSVjGNHfrJKmQ6w8I18ek.png" style="background-color:ghostwhite;padding:5px;" width="17%" alt="Powered by Datology">
+  </picture>
+</div>
+
+## Model Details
+
+* **Model Architecture:** ArceeForCausalLM
+* **Parameters:** 4.5B
+* **Training Tokens:** 6.5T - this model is pre-annealing with math and code and uses only the general dataset.
+* **License:** [Apache-2.0](https://huggingface.co/arcee-ai/AFM-4.5B-Base#license)
+
+***
+
+## Benchmarks
+
+![image/png](https://cdn-uploads.huggingface.co/production/uploads/6435718aaaef013d1aec3b8b/rxUKBWNf2piJwdKhKC3tZ.png)
+
+## How to use with `transformers`
+
+You can use the model directly with the `transformers` library.
+
+```python
+from transformers import AutoTokenizer, AutoModelForCausalLM
+import torch
+
+model_id = "arcee-ai/AFM-4.5B-Base-Pre-Anneal"
+tokenizer = AutoTokenizer.from_pretrained(model_id)
+model = AutoModelForCausalLM.from_pretrained(
+    model_id,
+    torch_dtype=torch.bfloat16,
+    device_map="auto"
+)
+
+prompt = "Once upon a time "
+input_ids = tokenizer(prompt, return_tensors="pt").input_ids.to(model.device)
+
+# Generate text
+outputs = model.generate(
+    input_ids,
+    max_new_tokens=100,
+    do_sample=True,
+    temperature=0.7,
+    top_p=0.95
+)
+
+generated_text = tokenizer.batch_decode(outputs, skip_special_tokens=True)[0]
+print(generated_text)
+```
+
+## License
+
+AFM-4.5B is released under the Apache-2.0 license.