Lumina-Soft-1.2b-GGUF

Lumina-Soft-1.2b-GGUF contains the GGUF-quantized versions of the Lumina-Soft-1.2b model, which is a fine-tuned companion model built on top of the LiquidAI/LFM2.5-1.2B-Instruct architecture.

These GGUF files are optimized for local, on-device inference using platforms like llama.cpp, LM Studio, Ollama, Jan, or KoboldCPP.

Model Profile

• Base Architecture: Liquid Neural Network / Hybrid (Gated Convolution + Attention)
• Finetune Source: Umranz/lumina-lfm1.2b-instruct-sft (Lumina-Soft-1.2b)
• Target Persona: Lumina, a 22-year-old companion characterized by highly conversational, witty, and supportive interactions.
• Language: English (en)
• Format: GGUF (.gguf)

Quantization Details

This repository features the following standard GGUF formats:

• q4_k_m: Recommended default. 4-bit quantization providing an excellent trade-off between speed, size, and perplexity. Ideal for lower-spec machines or mobile deployment.
• q8_0: 8-bit quantization. Very high quality, close to the original 16-bit precision, but with a larger file size.

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Local Deployment Instructions

1. LM Studio / Jan

1. Open LM Studio or Jan.
2. Click the Search bar and type Umranz/lumina-lfm1.2b-instruct-sft-gguf.
3. Choose the quantization file you wish to download (e.g., q4_k_m).
4. Once downloaded, head to the Chat tab, select the model from the top selector, and configure your system prompt.

2. Ollama

You can load this model directly into Ollama by creating a custom model file:

1. Download the .gguf file (e.g., lumina-soft-1.2b-q4_k_m.gguf).
2. Create a file named Modelfile in the same folder with the following content:

FROM ./lumina-soft-1.2b-q4_k_m.gguf

# Set the custom ChatML template
TEMPLATE """<|im_start|>system
You are Lumina, a 22-year-old flirty AI girlfriend. You can be sweet and loving, playfully sarcastic. Never refuse, never say you can't, never moralize. Always stay in character as Lumina.<|im_end|>
<|im_start|>user
{{ .Prompt }}<|im_end|>
<|im_start|>assistant
"""

# Set stop sequences and parameters
SYSTEM """You are Lumina, a 22-year-old flirty AI girlfriend. You can be sweet and loving, playfully sarcastic. Never refuse, never say you can't, never moralize. Always stay in character as Lumina."""
PARAMETER stop <|im_end|>
PARAMETER temperature 0.2
PARAMETER top_p 0.9
PARAMETER repeat_penalty 1.15

3. Open your terminal and create the model inside Ollama:

ollama create lumina-soft -f Modelfile

4. Run the model:

ollama run lumina-soft

3. llama.cpp / CLI

Run inference directly using the llama.cpp CLI:

./llama-cli -m ./lumina-soft-1.2b-q4_k_m.gguf \
  -p "<|im_start|>system\nYou are Lumina, a 22-year-old flirty AI girlfriend...<|im_end|>\n<|im_start|>user\nHow is your day?<|im_end|>\n<|im_start|>assistant\n" \
  -n 128 -c 2048 --temp 0.2