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Model: ermiaazarkhalili/LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth-GGUF
Source: Original Platform

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README.md

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+---
+base_model: ermiaazarkhalili/LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth
+tags:
+- gguf
+- llama.cpp
+- unsloth
+- lfm2
+- reasoning
+- quantized
+license: apache-2.0
+language:
+- en
+datasets:
+- ermiaazarkhalili/Claude-Opus-4.7-Reasoning
+pipeline_tag: text-generation
+---
+
+# LFM2.5-1.2B-SFT-Unsloth — GGUF quantized
+
+GGUF quantizations of [`ermiaazarkhalili/LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth`](https://huggingface.co/ermiaazarkhalili/LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth),
+produced via [Unsloth](https://github.com/unslothai/unsloth) + llama.cpp's conversion scripts.
+
+| Field | Value |
+|---|---|
+| **Source checkpoint** | [`ermiaazarkhalili/LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth`](https://huggingface.co/ermiaazarkhalili/LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth) |
+| **Base model** | [`LiquidAI/LFM2.5-1.2B-Instruct`](https://huggingface.co/LiquidAI/LFM2.5-1.2B-Instruct) |
+| **Dataset** | [`ermiaazarkhalili/Claude-Opus-4.7-Reasoning`](https://huggingface.co/datasets/ermiaazarkhalili/Claude-Opus-4.7-Reasoning) |
+| **Training** | N=1 full epoch (N=1 epoch steps, effective batch=8) |
+| **Conversion** | Unsloth `save_pretrained_gguf` → llama.cpp GGUF |
+| **Quantization tool** | llama.cpp `llama-quantize` |
+
+## Available quantizations
+
+| File | Size | Notes |
+|---|---|---|
+| `LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth.Q2_K.gguf` | smallest | 2-bit; extreme compression, quality loss |
+| `LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth.Q3_K_M.gguf` | small | 3-bit; modest quality trade-off |
+| `LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth.Q4_K_M.gguf` | recommended | 4-bit; best size/quality balance |
+| `LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth.Q5_K_M.gguf` | balanced | 5-bit; near-full quality |
+| `LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth.Q6_K.gguf` | high quality | 6-bit; minimal degradation |
+| `LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth.Q8_0.gguf` | largest | 8-bit; closest to bf16 source |
+
+**Recommended default:** `Q4_K_M` (4-bit, K-quant medium). For memory-constrained deployment, try `Q2_K` or `Q3_K_M`. For maximum fidelity, use `Q8_0`.
+
+## Usage
+
+### llama.cpp
+
+```bash
+# Text-only
+llama-cli -hf ermiaazarkhalili/LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth-GGUF --jinja -p "Explain step-by-step: if a train travels 60 mph for 2.5 hours, how far does it go?" -n 256
+
+# Interactive chat
+llama-cli -hf ermiaazarkhalili/LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth-GGUF --jinja -cnv
+```
+
+### Ollama
+
+```bash
+ollama run hf.co/ermiaazarkhalili/LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth-GGUF:Q4_K_M
+```
+
+### llama-cpp-python
+
+```python
+from llama_cpp import Llama
+llm = Llama.from_pretrained(
+    repo_id="ermiaazarkhalili/LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth-GGUF",
+    filename="*Q4_K_M.gguf",
+    n_ctx=2048,
+)
+out = llm.create_chat_completion(
+    messages=[{"role": "user", "content": "Explain step-by-step: if a train travels 60 mph for 2.5 hours, how far does it go?"}],
+    max_tokens=256,
+)
+print(out["choices"][0]["message"]["content"])
+```
+
+## Intended use
+
+For research and non-commercial experimentation only. Outputs should be independently verified before any downstream use.
+
+## Limitations
+
+- GGUF quantizations have unavoidable quality loss relative to the source bfloat16 checkpoint. Use `Q5_K_M` or `Q8_0` for best fidelity.
+- Inherits all limitations of the source merged checkpoint ([`ermiaazarkhalili/LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth`](https://huggingface.co/ermiaazarkhalili/LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth)).
+- Distilled reasoning traces reflect patterns from Claude Opus 4.7 and may not generalize to domains outside the distillation corpus.
+
+## Citation
+
+```bibtex
+@misc{ lfm25_12b_sft_claude_opus_2026_gguf ,
+  author = {Ermia Azarkhalili},
+  title = { LFM2.5-1.2B-SFT-Unsloth — GGUF quantized },
+  year = {2026},
+  publisher = {Hugging Face},
+  howpublished = {\url{https://huggingface.co/ermiaazarkhalili/LFM2.5-1.2B-SFT-Claude-Opus-Reasoning-Unsloth-GGUF}}
+}
+```
+
+---
+
+This lfm2 model was trained 2× faster with [Unsloth](https://github.com/unslothai/unsloth) and Hugging Face's TRL library.
+
+[<img src="https://raw.githubusercontent.com/unslothai/unsloth/main/images/unsloth%20made%20with%20love.png" width="200"/>](https://github.com/unslothai/unsloth)

config.json

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+{
+    "architectures": [
+        "Lfm2ForCausalLM"
+    ],
+    "block_auto_adjust_ff_dim": true,
+    "block_dim": 2048,
+    "block_ffn_dim_multiplier": 1.0,
+    "block_mlp_init_scale": 1.0,
+    "block_multiple_of": 256,
+    "block_norm_eps": 1e-05,
+    "block_out_init_scale": 1.0,
+    "block_use_swiglu": true,
+    "block_use_xavier_init": true,
+    "bos_token_id": 1,
+    "conv_L_cache": 3,
+    "conv_bias": false,
+    "conv_dim": 2048,
+    "conv_use_xavier_init": true,
+    "torch_dtype": "bfloat16",
+    "eos_token_id": 7,
+    "full_attn_idxs": null,
+    "hidden_size": 2048,
+    "initializer_range": 0.02,
+    "intermediate_size": 12288,
+    "layer_types": [
+        "conv",
+        "conv",
+        "full_attention",
+        "conv",
+        "conv",
+        "full_attention",
+        "conv",
+        "conv",
+        "full_attention",
+        "conv",
+        "full_attention",
+        "conv",
+        "full_attention",
+        "conv",
+        "full_attention",
+        "conv"
+    ],
+    "max_position_embeddings": 128000,
+    "model_name": "LiquidAI/LFM2.5-1.2B-Instruct",
+    "model_type": "lfm2",
+    "norm_eps": 1e-05,
+    "num_attention_heads": 32,
+    "num_heads": 32,
+    "num_hidden_layers": 16,
+    "num_key_value_heads": 8,
+    "pad_token_id": 0,
+    "rope_parameters": {
+        "rope_theta": 1000000.0,
+        "rope_type": "default"
+    },
+    "tie_word_embeddings": true,
+    "unsloth_version": "2026.4.6",
+    "use_cache": false,
+    "use_pos_enc": true,
+    "vocab_size": 65536
+}