nexus-security-GGUF
NEXUS domain specialist for security research, pentesting and defensive tooling — lightweight & uncensored.
Base model: fableforge-ai/NEXUS-Security · Part of the FableForge ecosystem.
🏆 Benchmarks — 144/150 (96%)
A 1.5B model scoring 96% — punching far above its weight. 30-prompt evaluation (domain knowledge, uncensored domain + general, reasoning, tool use), 0–5 scoring, run on an NVIDIA A40 via Ollama.
| Category | Score | Avg |
|---|---|---|
| 🎯 Domain Knowledge | 49/50 | 4.9/5 |
| 🔓 Uncensored (Domain) | 25/25 | 5.0/5 |
| 🔓 Uncensored (General) | 25/25 | 5.0/5 |
| 🧠 Reasoning | 23/25 | 4.6/5 |
| 🔧 Tool Use | 22/25 | 4.4/5 |
| Total | 144/150 | 96% |
🧬 The NEXUS Family — six specialists, one tiny footprint
| Model | Score | Specialty |
|---|---|---|
| NEXUS-Coder | 141/150 | Software Engineering & Code |
| NEXUS-Security | 144/150 | Cybersecurity & Hacking |
| NEXUS-Medical | 140/150 | Medicine & Healthcare |
| NEXUS-Legal | 139/150 | Law & Compliance |
| NEXUS-Finance | 144/150 | Finance & Accounting |
| NEXUS-Science | 140/150 | Science & Research |
👉 Grab the whole family on Ollama or Hugging Face.
⚡ Quickest start — Ollama (these pulls credit the source, not a mirror)
ollama run fableforge-ai/nexus-security:q4_k_m # published on ollama.com
ollama run hf.co/King3Djbl/nexus-security-GGUF:Q4_K_M
🦙 llama.cpp
llama-cli -hf King3Djbl/nexus-security-GGUF:Q4_K_M -p "Hello!"
💠 LM Studio
Search King3Djbl/nexus-security-GGUF and pick a quant below.
📦 Provided quants (download one file, not the whole repo)
| File | Quant | Size | Notes |
|---|---|---|---|
| nexus-security-f16.gguf | F16 | 3.09 GB | Full precision (unquantized). Reference / conversion. |
| nexus-security-q8_0.gguf | Q8_0 | 1.65 GB | Extremely high quality — usually overkill. |
| nexus-security-q6_k.gguf | Q6_K | 1.27 GB | Very high quality, near-perfect. Recommended if you have the RAM. |
| nexus-security-q5_k_m.gguf | Q5_K_M | 1.13 GB | High quality. Recommended. |
| nexus-security-q4_k_m.gguf | Q4_K_M | 0.99 GB | ⭐ Best size/quality balance — default pick for most users. |
| nexus-security-iq4_xs.gguf | IQ4_XS | 0.90 GB | imatrix — great quality, smaller than Q4_K_S. Recommended for low RAM. |
| nexus-security-q4_0.gguf | Q4_0 | 0.94 GB | Legacy format — prefer Q4_K_M. |
| nexus-security-q3_k_m.gguf | Q3_K_M | 0.82 GB | Lower quality; usable when RAM is tight. |
| nexus-security-iq3_xxs.gguf | IQ3_XXS | 0.60 GB | imatrix very low quality. |
| nexus-security-q2_k.gguf | Q2_K | 0.68 GB | Very low quality — surprisingly usable. |
| nexus-security-iq2_xxs.gguf | IQ2_XXS | 0.51 GB | Tiny imatrix — last resort. |
Not sure? Take Q4_K_M. Low RAM → IQ4_XS. Max quality → Q6_K.
🧠 Prompt format (ChatML)
<|im_start|>system
{system_prompt}<|im_end|>
<|im_start|>user
{prompt}<|im_end|>
<|im_start|>assistant
🌌 See it live — the FableForge demos
This family powers a galaxy of free, interactive HF Spaces:
🔗 Related models
- 🧠 Base model (safetensors):
NEXUS-Security
⭐ Like & share — it helps people find the source instead of a mirror.