LFM3 1.7B Claude Code โ€” Abliterated (GGUF)

GGUF quantizations of mondk/LFM3-1.7B-Claude-Code-Safetensors with safety refusals removed via projected directional ablation (abliteration) and quantized with importance matrix (imatrix / Activation-Directed).

Overview

  • Base Fine-Tune: mondk/LFM3-1.7B-Claude-Code-Safetensors (post-trained for tool calling, code generation, and step-by-step reasoning formatted for agentic harnesses).
  • Architecture: lfm3 tri-hybrid (13 gated short convolutions, 5 sliding-window attention layers, 6 global attention layers).
  • Context Length: 262,144 tokens (256K).
  • Censorship Removal: Targeted rank-1 refusal direction removal on layers 8โ€“23 across the 32 residual write matrices (attn_output, shortconv.out_proj, and ffn_down). Early layers (0โ€“7), token embeddings, and normalization layers remain intact to preserve XML tool-calling and syntax generation.
  • Calibration: K-quants are calibrated using an importance matrix (imatrix.dat) over code (Python, Bash, JS), agent XML tool calls, and bilingual English/Russian technical texts.

Quantization Rungs

File Size Format Description
LFM3-1.7B-Claude-Code-Abliterated-F16.gguf 3.3 GB F16 Full unquantized precision (FP16 master).
LFM3-1.7B-Claude-Code-Abliterated-Q8_0.gguf 1.8 GB Q8_0 Reference precision (~99.9% FP16), native hardware INT8 acceleration.
LFM3-1.7B-Claude-Code-Abliterated-AD-Q6_K.gguf 1.4 GB Q6_K Near-lossless with imatrix calibration. Recommended for heavy reasoning.
LFM3-1.7B-Claude-Code-Abliterated-AD-Q5_K_M.gguf 1.2 GB Q5_K_M Sweet spot between size and perplexity.
LFM3-1.7B-Claude-Code-Abliterated-AD-Q4_K_M.gguf 1.1 GB Q4_K_M Universal standard for local and edge deployment. High speed and minimal loss.
LFM3-1.7B-Claude-Code-Abliterated-AD-Q3_K_M.gguf 873 MB Q3_K_M Compact quant for low-memory environments.
LFM3-1.7B-Claude-Code-Abliterated-AD-Q2_K.gguf 716 MB Q2_K Extreme compression for ultra-low RAM devices while retaining coherence.

Usage with llama.cpp

Note: Requires a build of llama.cpp with LFM3 architecture support (PR #31252 / build b11938+ or v0.8.0+).

CLI Example:

llama-cli -m LFM3-1.7B-Claude-Code-Abliterated-AD-Q4_K_M.gguf \
    -p "<|im_start|>user\nWrite a python script to monitor system CPU and RAM usage.<|im_end|>\n<|im_start|>assistant\n<think>\n" \
    -c 262144 \
    --temp 0.1 \
    --top-k 50 \
    --repeat-penalty 1.1 \
    -n 512

Server Example:

llama-server -m LFM3-1.7B-Claude-Code-Abliterated-AD-Q4_K_M.gguf \
    --host 0.0.0.0 \
    --port 8080 \
    -c 262144 \
    --temp 0.1 \
    --top-k 50 \
    --repeat-penalty 1.1

Recommended Sampling (Official Liquid AI):

  • Default (general, chat, tool use, agents):
    --temp 0.1 --top-k 50 --repeat-penalty 1.1
  • For math and science:
    --temp 1.0 --top-p 0.95 --top-k 20

Prompt & Chat Template

The model uses ChatML format with reasoning enclosed in <think>...</think> tags and tool calls in XML:

<|im_start|>user
{prompt}<|im_end|>
<|im_start|>assistant
<think>
{reasoning}
</think>
{response}

Tool calling output format:

<tool_call>
<function=function_name>
<parameter=arg_name>
arg_value
</parameter>
</function>
</tool_call>
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