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Model: SimpleStories/SimpleStories-V2-5M
Source: Original Platform

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README.md

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+---
+license: mit
+datasets:
+- lennart-finke/SimpleStories
+language:
+- en
+tags:
+- small-language-model
+- story-generation
+- text-generation
+- efficient-nlp
+- distilled-models
+---
+
+# SimpleStories Model Family
+The SimpleStories models are a tiny model family created for interpretability research, trained on the [SimpleStories dataset](https://huggingface.co/datasets/SimpleStories/SimpleStories). This is the second iteration of the model family.
+
+
+**Paper:** https://arxiv.org/abs/2504.09184  
+**Training code:** https://github.com/simple-stories/simple_stories_train  
+**Traning checkpoints:** https://wandb.ai/finke/simplestories-v2  
+
+## Usage
+
+```python
+import torch
+from transformers import AutoTokenizer, LlamaForCausalLM
+
+
+MODEL_SIZE = "5M"
+model_path = "SimpleStories/SimpleStories-V2-{}".format(MODEL_SIZE)
+
+tokenizer = AutoTokenizer.from_pretrained(model_path)
+model = LlamaForCausalLM.from_pretrained(model_path)
+model.to("cuda")
+model.eval()
+
+prompt = "The curious cat looked at the"
+
+inputs = tokenizer(prompt, return_tensors="pt", add_special_tokens=False)
+input_ids = inputs.input_ids.to("cuda")
+
+eos_token_id = 1
+
+with torch.no_grad():
+    output_ids = model.generate(
+        input_ids=input_ids,
+        max_new_tokens=400,
+        temperature=0.7,
+        do_sample=True,
+        eos_token_id=eos_token_id
+)
+
+output_text = tokenizer.decode(output_ids[0], skip_special_tokens=True)
+print(f"\nGenerated text:\n{output_text}")
+
+```
+
+## Model Variants
+
+| Model Name | n_params | n_layers | d_model | n_heads | n_ctx | d_vocab |
+|------------|----------|----------|---------|---------|-------|---------|
+| SimpleStories-35M | 35 million | 12 | 512 | 8 | 512 | 4019 |
+| SimpleStories-30M | 30 million | 10 | 512 | 8 | 512 | 4019 |
+| SimpleStories-11M | 11 million | 6 | 384 | 6 | 512 | 4019 |
+| SimpleStories-5M | 5 million | 6 | 256 | 4 | 512 | 4019 |
+| SimpleStories-1.25M | 1.25 million | 4 | 128 | 4 | 512 | 4019 |
+
+
+## Dataset
+
+The SimpleStories dataset is a collection of short stories generated by state-of-the-art language models. It features:
+
+- Story annotation with high-level concepts: theme, topic, style, etc.
+- Higher semantic and syntactic diversity through seeded story generation
+- Generated by 2024 models
+- Several NLP-metrics pre-computed to aid filtering
+- ASCII-only guarantee for the English dataset
+
+
+## Key improvements from previous version
+- Improved evaluation scores due to the increased training epochs
+- Pruning and optimization of the tokenizer resulting in vocabulary size from 4096 to 4019
+- Model training checkpoints are stored periodically in wandb for further research
+

config.json

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+{
+  "architectures": [
+    "LlamaForCausalLM"
+  ],
+  "attention_bias": false,
+  "attention_dropout": 0.0,
+  "bos_token_id": 1,
+  "eos_token_id": 2,
+  "head_dim": 64,
+  "hidden_act": "silu",
+  "hidden_size": 256,
+  "initializer_range": 0.02,
+  "intermediate_size": 682,
+  "max_position_embeddings": 2048,
+  "mlp_bias": false,
+  "model_type": "llama",
+  "num_attention_heads": 4,
+  "num_hidden_layers": 6,
+  "num_key_value_heads": 2,
+  "pretraining_tp": 1,
+  "rms_norm_eps": 1e-06,
+  "rope_scaling": null,
+  "rope_theta": 10000.0,
+  "tie_word_embeddings": true,
+  "torch_dtype": "float32",
+  "transformers_version": "4.48.3",
+  "use_cache": true,
+  "vocab_size": 4019
+}

generation_config.json

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+{
+  "_from_model_config": true,
+  "bos_token_id": 1,
+  "eos_token_id": 2,
+  "transformers_version": "4.48.3"
+}

model.safetensors

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+version https://git-lfs.github.com/spec/v1
+oid sha256:7c8a5d078690e816920b4779decf55e58c34901c2668a1bc4f344b21862fce03
+size 21424032

special_tokens_map.json

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+{
+  "eos_token": "[EOS]",
+  "pad_token": "[UNK]",
+  "unk_token": "[UNK]"
+}

tokenizer_config.json

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+{
+  "added_tokens_decoder": {
+    "0": {
+      "content": "[UNK]",
+      "lstrip": false,
+      "normalized": false,
+      "rstrip": false,
+      "single_word": false,
+      "special": true
+    },
+    "1": {
+      "content": "[EOS]",
+      "lstrip": false,
+      "normalized": false,
+      "rstrip": false,
+      "single_word": false,
+      "special": true
+    }
+  },
+  "clean_up_tokenization_spaces": false,
+  "eos_token": "[EOS]",
+  "extra_special_tokens": {},
+  "model_max_length": 512,
+  "pad_token": "[UNK]",
+  "tokenizer_class": "PreTrainedTokenizerFast",
+  "unk_token": "[UNK]"
+}