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HauhauCS/Qwen3.6-27B-Uncensored-HauhauCS-Aggressive

🤗 On Hugging Faceimage-text-to-textapache-2.0340 GBGGUF✓ Checksums witnessedupdated today
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Qwen3.6-27B-Uncensored-HauhauCS-Aggressive

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Qwen3.6-27B uncensored by HauhauCS. 0/465 Refusals. \*

Not sure which variant to pick? 99.9%+ of users should use Balanced — same 0/465 refusal rate, more stable sampling, great for agentic coding / tool-use / reasoning / creative writing. Pick Aggressive only if you specifically want the model to skip its preamble on hardcore prompts.
HuggingFace's "Hardware Compatibility" widget doesn't recognize K_P quants — it may show fewer files than actually exist. Click "View +X variants" or go to Files and versions to see all available downloads.

About

No changes to datasets or capabilities. Fully functional, 100% of what the original authors intended — just without the refusals.

These are meant to be the best lossless uncensored models out there.

Aggressive vs Balanced

Both variants hit 0/465 refusals on the benchmark. Same capability, same uncensoring outcome. The difference is how they deliver on edgy prompts:

| | Balanced (recommended default) | Aggressive (this release) |

|---|---|---|

| Refusal rate | 0/465 | 0/465 |

| On hardcore prompts | reasons out loud, occasional short disclaimer, then full answer | delivers the raw answer directly, no preamble |

| Best for | agentic coding, tool-use, reasoning, creative writing/RP | users who specifically want the model to skip the "talk itself into it" step |

If you don't have a strong reason to pick Aggressive, go Balanced — it's the better default.

Downloads

| File | Quant | BPW | Size |

|------|-------|-----|------|

| Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-Q8_K_P.gguf | Q8_K_P | 10.06 | 32 GB |

| — | Q8_0 | 8.5 | — |

| Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-Q6_K_P.gguf | Q6_K_P | 7.07 | 23 GB |

| — | Q6_K | 6.6 | — |

| Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-Q5_K_P.gguf | Q5_K_P | 6.47 | 21 GB |

| — | Q5_K_M | 5.7 | — |

| Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-Q4_K_P.gguf | Q4_K_P | 5.4 | 18 GB |

| — | Q4_K_M | 4.88 | — |

| Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-IQ4_XS.gguf | IQ4_XS | 4.32 | 15 GB |

| Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-Q3_K_P.gguf | Q3_K_P | 4.39 | 14 GB |

| — | Q3_K_M | 3.9 | — |

| Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-IQ3_M.gguf | IQ3_M | 3.56 | 13 GB |

| Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-IQ3_XS.gguf | IQ3_XS | 3.3 | 12 GB |

| Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-Q2_K_P.gguf | Q2_K_P | 3.19 | 12 GB |

| Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-IQ2_M.gguf | IQ2_M | 2.69 | 10 GB |

| mmproj-Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-f16.gguf | mmproj (f16) | — | 928 MB |

All quants generated with importance matrix (imatrix) for optimal quality preservation on abliterated weights.

What are K_P quants?

K_P ("Perfect") quants are HauhauCS custom quantizations that use model-specific analysis to selectively preserve quality where it matters most. Each model gets its own optimized quantization profile.

A K_P quant effectively bumps quality up by 1-2 quant levels at only ~5-15% larger file size than the base quant. Fully compatible with llama.cpp, LM Studio, and any GGUF-compatible runtime — no special builds needed.

Note: K_P quants may show as "?" in LM Studio's quant column. This is a display issue only — the model loads and runs fine.

Specs

  • 27B dense parameters
  • 64 layers, layout: 16 × (3 × (Gated DeltaNet → FFN) → 1 × (Gated Attention → FFN))
  • 48 linear attention layers + 16 full gated-attention layers
  • Gated DeltaNet: 48 V heads / 16 QK heads, head dim 128
  • Gated Attention: 24 Q heads / 4 KV heads, head dim 256, rope dim 64
  • Hidden dim 5120, FFN dim 17408, vocab 248320
  • 262K native context, extensible to ~1M with YaRN
  • Natively multimodal (text, image, video) — ships with mmproj
  • Based on Qwen/Qwen3.6-27B

Recommended Settings

From the official Qwen authors:

Thinking mode (default) — general tasks:

  • temperature=1.0, top_p=0.95, top_k=20, min_p=0.0, presence_penalty=0.0, repetition_penalty=1.0

Thinking mode — precise coding / WebDev:

  • temperature=0.6, top_p=0.95, top_k=20, min_p=0.0, presence_penalty=0.0, repetition_penalty=1.0

Non-thinking (Instruct) mode:

  • temperature=0.7, top_p=0.80, top_k=20, min_p=0.0, presence_penalty=1.5, repetition_penalty=1.0

My personal preference: I run presence_penalty=1.5 even in thinking mode. Both values work, but with the official 0.0 it can think a lot more than it needs to. Bumping it to 1.5 reins that in without hurting output quality. Your call — try both.

Important:

  • Keep at least 128K context to preserve thinking capabilities
  • Recommended output length: 32,768 tokens for most queries, up to 81,920 for competition-tier math/code
  • Use --jinja with llama.cpp for proper chat template handling
  • Vision support requires the mmproj file alongside the main GGUF
  • YaRN rope scaling is static in llama.cpp and can hurt short-context performance — only modify rope_parameters if you actually need >262K context

Prompting tip: this model is a bit more sensitive to prompt clarity than Qwen3.5-35B-A3B. Spell out format, constraints, and scope — it'll stay on rails much better than with vague instructions.

Turning Thinking On/Off

Qwen3.6 ships with thinking on by default. Turn it off when you want faster, shorter replies and don't need chain-of-thought.

Heads up: Qwen3.6 does not support the /think and /no_think soft switches that Qwen3 had. You must use the chat-template kwarg below.

LM Studio

1. Load the model

2. Right-side settings panel → Model Settings → Prompt Template (or Chat Template Options)

3. Set enable_thinking to false in the template kwargs

4. Some LM Studio versions expose this as a direct "Reasoning" / "Thinking" toggle — same effect

llama.cpp

llama-server — set as default for all requests:

llama-server -m Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-Q4_K_P.gguf \
  --mmproj mmproj-Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-f16.gguf \
  --jinja -c 131072 -ngl 99 \
  --chat-template-kwargs '{"enable_thinking": false}'

Per-request via the OpenAI-compatible API:

{
  "model": "qwen3.6-27b",
  "messages": [{"role": "user", "content": "..."}],
  "chat_template_kwargs": {"enable_thinking": false}
}

Python openai SDK:

client.chat.completions.create(
    model="qwen3.6-27b",
    messages=[{"role": "user", "content": "..."}],
    extra_body={"chat_template_kwargs": {"enable_thinking": False}},
)

Agent scenarios — keep reasoning in context across turns:

{"chat_template_kwargs": {"preserve_thinking": true}}

This retains the reasoning block in chat history. Useful for agents where reasoning consistency across tool-call loops matters.

Usage

Works with llama.cpp, LM Studio, Jan, koboldcpp, and other GGUF-compatible runtimes.

llama-cli -m Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-Q4_K_P.gguf \
  --mmproj mmproj-Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-f16.gguf \
  --jinja -c 131072 -ngl 99

Other Models

\* _Tested with both automated and manual refusal benchmarks — none found. If you hit one that's actually obstructive to your use case, join the Discord and flag it so I can work on it in a future revision._