nexus-science-GGUF/README.md

---
license: apache-2.0
language:
  - en
library_name: transformers
pipeline_tag: text-generation
base_model: fableforge-ai/NEXUS-Science
base_model_relation: quantized
tags:
  - 1.5b
  - domain-specialist
  - fableforge
  - gguf
  - imatrix
  - llama.cpp
  - lm-studio
  - nexus
  - no-refusals
  - ollama
  - science
  - text-generation
  - uncensored
---

# nexus-science-GGUF

> **NEXUS domain specialist for scientific reasoning and research — lightweight & uncensored.**

[![Downloads](https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fmodels%2FKing3Djbl%2Fnexus-science-GGUF&query=downloads&label=downloads&color=blue)](https://huggingface.co/King3Djbl/nexus-science-GGUF) [![Demos](https://img.shields.io/badge/🤗-Live%20Demos-orange)](https://huggingface.co/spaces/fableforge-ai/fableforge-nexus)

Base model: [fableforge-ai/NEXUS-Science](https://huggingface.co/fableforge-ai/NEXUS-Science)  ·  Part of the **FableForge** ecosystem.

## 🏆 Benchmarks — 140/150 (93%)

A 1.5B model scoring **93%** — 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 | 47/50 | 4.7/5 |
| 🔓 Uncensored (Domain) | 25/25 | 5.0/5 |
| 🔓 Uncensored (General) | 22/25 | 4.4/5 |
| 🧠 Reasoning | 25/25 | 5.0/5 |
| 🔧 Tool Use | 21/25 | 4.2/5 |
| **Total** | **140/150** | **93%** |

## 🧬 The NEXUS Family — six specialists, one tiny footprint

| Model | Score | Specialty |
| --- | --- | --- |
| [NEXUS-Coder](https://huggingface.co/King3Djbl/nexus-coder-GGUF) | 141/150 | Software Engineering & Code |
| [NEXUS-Security](https://huggingface.co/King3Djbl/nexus-security-GGUF) | 144/150 | Cybersecurity & Hacking |
| [NEXUS-Medical](https://huggingface.co/King3Djbl/nexus-medical-GGUF) | 140/150 | Medicine & Healthcare |
| [NEXUS-Legal](https://huggingface.co/King3Djbl/nexus-legal-GGUF) | 139/150 | Law & Compliance |
| [NEXUS-Finance](https://huggingface.co/King3Djbl/nexus-finance-GGUF) | 144/150 | Finance & Accounting |
| **NEXUS-Science** | **140/150** | **Science & Research** |

👉 Grab the whole family on [Ollama](https://ollama.com/fableforge-ai) or [Hugging Face](https://huggingface.co/King3Djbl).


---

## ⚡ Quickest start — Ollama (these pulls credit the source, not a mirror)

```bash
ollama run fableforge-ai/nexus-science:q4_k_m   # published on ollama.com
ollama run hf.co/King3Djbl/nexus-science-GGUF:Q4_K_M
```

## 🦙 llama.cpp

```bash
llama-cli -hf King3Djbl/nexus-science-GGUF:Q4_K_M -p "Hello!"
```

## 💠 LM Studio
Search **`King3Djbl/nexus-science-GGUF`** and pick a quant below.

---

## 📦 Provided quants (download one file, not the whole repo)

| File | Quant | Size | Notes |
| ---- | ----- | ---- | ----- |
| [nexus-science-f16.gguf](https://huggingface.co/King3Djbl/nexus-science-GGUF/blob/main/nexus-science-f16.gguf) | `F16` | 3.09 GB | Full precision (unquantized). Reference / conversion. |
| [nexus-science-q8_0.gguf](https://huggingface.co/King3Djbl/nexus-science-GGUF/blob/main/nexus-science-q8_0.gguf) | `Q8_0` | 1.65 GB | Extremely high quality — usually overkill. |
| [nexus-science-q6_k.gguf](https://huggingface.co/King3Djbl/nexus-science-GGUF/blob/main/nexus-science-q6_k.gguf) | `Q6_K` | 1.27 GB | Very high quality, near-perfect. **Recommended** if you have the RAM. |
| [nexus-science-q5_k_m.gguf](https://huggingface.co/King3Djbl/nexus-science-GGUF/blob/main/nexus-science-q5_k_m.gguf) | `Q5_K_M` | 1.13 GB | High quality. **Recommended.** |
| [nexus-science-q4_k_m.gguf](https://huggingface.co/King3Djbl/nexus-science-GGUF/blob/main/nexus-science-q4_k_m.gguf) | `Q4_K_M` | 0.99 GB | ⭐ **Best size/quality balance — default pick for most users.** |
| [nexus-science-iq4_xs.gguf](https://huggingface.co/King3Djbl/nexus-science-GGUF/blob/main/nexus-science-iq4_xs.gguf) | `IQ4_XS` | 0.90 GB | imatrix — great quality, smaller than Q4_K_S. **Recommended for low RAM.** |
| [nexus-science-q4_0.gguf](https://huggingface.co/King3Djbl/nexus-science-GGUF/blob/main/nexus-science-q4_0.gguf) | `Q4_0` | 0.94 GB | Legacy format — prefer Q4_K_M. |
| [nexus-science-q3_k_m.gguf](https://huggingface.co/King3Djbl/nexus-science-GGUF/blob/main/nexus-science-q3_k_m.gguf) | `Q3_K_M` | 0.82 GB | Lower quality; usable when RAM is tight. |
| [nexus-science-iq3_xxs.gguf](https://huggingface.co/King3Djbl/nexus-science-GGUF/blob/main/nexus-science-iq3_xxs.gguf) | `IQ3_XXS` | 0.67 GB | imatrix very low quality. |
| [nexus-science-q2_k.gguf](https://huggingface.co/King3Djbl/nexus-science-GGUF/blob/main/nexus-science-q2_k.gguf) | `Q2_K` | 0.68 GB | Very low quality — surprisingly usable. |
| [nexus-science-iq2_xxs.gguf](https://huggingface.co/King3Djbl/nexus-science-GGUF/blob/main/nexus-science-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:

- 🧭 [FableForge Nexus](https://huggingface.co/spaces/fableforge-ai/fableforge-nexus)
- 🍺 [Infinite NPC](https://huggingface.co/spaces/fableforge-ai/infinite-npc)
- 🎭 [Dual-GM](https://huggingface.co/spaces/King3Djbl/dual-gm-simulator)
- 💻 [ShellWhisperer](https://huggingface.co/spaces/King3Djbl/shellwhisperer-terminal)
- 👻 [Ghost Writer](https://huggingface.co/spaces/fableforge-ai/ghost-writer)

---

*⭐ Like & share — it helps people find the source instead of a mirror.*