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README.md

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+---
+license: apache-2.0
+base_model: allenai/OLMo-2-0425-1B-Instruct
+language:
+  - en
+tags:
+  - mlx
+  - ffai
+  - quantized
+  - 4bit
+  - affine
+---
+
+# OLMo-2-0425-1B-Instruct-4bit
+
+4-bit affine quantization of [allenai/OLMo-2-0425-1B-Instruct](https://huggingface.co/allenai/OLMo-2-0425-1B-Instruct), produced with [FFAI](https://github.com/thewafflehaus/FFAI) 0.1.0's `ffai convert` (mlx-affine format, `group_size=64`).
+
+## Conversion
+
+```bash
+ffai convert allenai/OLMo-2-0425-1B-Instruct --bits 4 \
+    --upload-repo ekryski/OLMo-2-0425-1B-Instruct-4bit
+```
+
+## See also
+
+- [FFAI](https://github.com/thewafflehaus/FFAI) — fast Apple Silicon LLM inference. `Model.load("ekryski/OLMo-2-0425-1B-Instruct-4bit")` runs this checkpoint end-to-end.
+- [FFAI quickstart](https://github.com/thewafflehaus/FFAI/blob/main/documentation/quickstart.md)
+- [FFAI quantization docs](https://github.com/thewafflehaus/FFAI/blob/main/documentation/quantization.md)

config.json

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+{
+  "architectures" : [
+    "Olmo2ForCausalLM"
+  ],
+  "attention_bias" : 0,
+  "attention_dropout" : 0,
+  "eos_token_id" : 100257,
+  "hidden_act" : "silu",
+  "hidden_size" : 2048,
+  "initializer_range" : 0.02,
+  "intermediate_size" : 8192,
+  "max_position_embeddings" : 4096,
+  "model_type" : "olmo2",
+  "num_attention_heads" : 16,
+  "num_hidden_layers" : 16,
+  "num_key_value_heads" : 16,
+  "pad_token_id" : 100277,
+  "quantization" : {
+    "bits" : 4,
+    "group_size" : 64,
+    "mode" : "affine"
+  },
+  "quantization_config" : {
+    "bits" : 4,
+    "group_size" : 64,
+    "mode" : "affine"
+  },
+  "rms_norm_eps" : 9.9999999999999995e-07,
+  "rope_scaling" : null,
+  "rope_theta" : 500000,
+  "tie_word_embeddings" : 0,
+  "torch_dtype" : "bfloat16",
+  "transformers_version" : "4.50.0",
+  "use_cache" : 0,
+  "vocab_size" : 100352
+}

generation_config.json

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+{
+  "_from_model_config": true,
+  "eos_token_id": 100257,
+  "pad_token_id": 100277,
+  "transformers_version": "4.50.0"
+}

model.safetensors

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+version https://git-lfs.github.com/spec/v1
+oid sha256:bd4ee5b47150d425258009e43d1e69d224d95b67bdee9d846c71780c4bed078d
+size 1426375496

special_tokens_map.json

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+{
+  "bos_token": {
+    "content": "<|endoftext|>",
+    "lstrip": false,
+    "normalized": false,
+    "rstrip": false,
+    "single_word": false
+  },
+  "eos_token": {
+    "content": "<|endoftext|>",
+    "lstrip": false,
+    "normalized": false,
+    "rstrip": false,
+    "single_word": false
+  },
+  "pad_token": {
+    "content": "<|pad|>",
+    "lstrip": false,
+    "normalized": false,
+    "rstrip": false,
+    "single_word": false
+  },
+  "unk_token": {
+    "content": "<|endoftext|>",
+    "lstrip": false,
+    "normalized": false,
+    "rstrip": false,
+    "single_word": false
+  }
+}

tokenizer_config.json

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+  "chat_template": "{{ bos_token }}{% for message in messages %}{% if message['role'] == 'system' %}{{ '<|system|>\n' + message['content'] + '\n' }}{% elif message['role'] == 'user' %}{{ '<|user|>\n' + message['content'] + '\n' }}{% elif message['role'] == 'assistant' %}{% if not loop.last %}{{ '<|assistant|>\n'  + message['content'] + eos_token + '\n' }}{% else %}{{ '<|assistant|>\n'  + message['content'] + eos_token }}{% endif %}{% endif %}{% if loop.last and add_generation_prompt %}{{ '<|assistant|>\n' }}{% endif %}{% endfor %}",
+  "clean_up_tokenization_spaces": false,
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+  "pad_token": "<|pad|>",
+  "tokenizer_class": "GPT2Tokenizer",
+  "unk_token": "<|endoftext|>"
+}