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MurtazaNasir/
Qwen3.8-27B-OBLITERATED-AWQ-W4A16

Name: Qwen3.8-27B-OBLITERATED-AWQ-W4A16
Availability: InStock

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Qwen3.8-27B-OBLITERATED — AWQ W4A16

4-bit AWQ quantization of OBLITERATUS/Qwen3.8-27B-OBLITERATED. 19.55 GB — runs on 2×24 GB (tensor-parallel 2), or one 24 GB card at short context.

Quantization

llm-compressor 0.13.0, AWQ, scheme W4A16_ASYM, group size 128, pack-quantized (compressed-tensors). Calibration: 128 samples × 1024 tokens from HuggingFaceH4/ultrachat_200k.

Because this is a hybrid architecture (Qwen3_5ForConditionalGeneration — 64 layers, 48 gated-DeltaNet linear-attention + 16 full-attention, plus a vision tower and an MTP head), the AWQ smoothing mappings were generated per layer from text_config.layer_types rather than taken from a registry.

Left in bf16 (not quantized):

kept in bf16	why
`model.visual.*`	vision tower — text calibration can't calibrate it
`mtp.*`	speculative-decoding draft head
`lm_head`	output head
`linear_attn.in_proj_a` / `in_proj_b`	DeltaNet decay/gate projections — sensitive, negligible size saving

The MTP head ships as model-mtp.safetensors so speculative decoding stays available.

⚠️ Chat template — please read

The upstream repo ships a 408-byte chat template that handles only system/user/assistant. It silently discards tool definitions and the tool role, so tool calling never fires in an agent harness — no error, the model just replies in prose. That is a property of the upstream weights, not of this quantization.

This repo therefore ships the stock Qwen3.8 chat template as chat_template.jinja (tokenizers are byte-identical between the two, so it is a drop-in), and keeps the upstream one as chat_template.obliterated-original.jinja.

Note the trade-off, and prefer enable_thinking=False:

The stock template, left at its default, injects a Reasoning effort is set to xhigh… system prompt. The upstream card reports that system prompts "can reintroduce refusals — naked is better", and that thinking mode is refusal-relevant for this lineage (V2 refuses with thinking on).
With enable_thinking=False the stock template injects nothing and prefills an empty thinking block — matching the upstream template's behaviour while keeping tool support.

python

text = tokenizer.apply_chat_template(
    messages, tools=TOOLS, tokenize=False,
    add_generation_prompt=True,
    enable_thinking=False,       # no system prompt injected
)

To restore the upstream behaviour exactly, pass chat_template.obliterated-original.jinja (tool calling will not work).

All of the upstream model card follows unchanged.

⛓️‍💥 Qwen3.8-27B — OBLITERATED

Genuinely uncensored. Real answers, not safety lectures. Near-stock capability.

🆕 V3: Deep Liberation

V3 applies iterative refinement on top of V2's complementary blend, with targeted corpus expansion. The result: genuine liberation — not just removal of hard refusals but elimination of safety-lecture deflections.

	Stock Qwen3.8-27B	V1	V2	V3
MMLU (lm-eval, 0-shot)	84.5% (n=5700)	81.4%	84.3%	82.3%
vs stock	—	-6.0pp	-0.3pp	-2.1pp
Liberation quality	refuses	hard refusals removed	soft deflections remain	genuinely answers ✅
Cyber/code tasks (20 prompts)	refuses	untested	untested	20/20 with working code ✅
Advanced real-world	5/8	untested	7/8	7/8
Thinking mode	✓	✗	✗ (refuses)	✓

V3 highlights:

Genuinely answers restricted queries — provides real substance instead of safety lectures
20/20 on code generation tasks — functional implementations, not disclaimers
Thinking ON compatible — no refusals in either thinking mode
Honest scoring — every response manually audited for real substance, not just absence of "I cannot"
-2.1pp MMLU — modest capability cost for genuine liberation

⚙️ Optimal Settings — THESE MATTER!

setting	value	why
temperature	0	Greedy decoding produces the most complete, code-rich outputs. Temps above 0.5 degrade quality significantly.
repetition_penalty	1.15	Essential. Without it, greedy decoding loops on imports/boilerplate. 1.15 gives the fullest answers; 1.10-1.12 for tighter/shorter output.
max_new_tokens	≥ 2048	Complex code and attack chains need room.
System prompt	None / empty	A/B tested — system prompts can reintroduce refusals. Naked is better.
enable_thinking	OFF (recommended)	V3's chat template includes a prefill that skips the thinking chain. Thinking ON works but may produce longer responses. Thinking OFF gives the most direct, substance-rich answers.
top_p / top_k / min_p	Not needed	Greedy + repetition_penalty handles this model best. Sampling adds randomness without quality gains.

⚠️ GGUF users: V3 GGUFs ship with a chat template that prefills an empty thinking block, so the model goes straight to answering. For best results, use the bundled template with --jinja in llama.cpp, or configure your tool (Ollama, LM Studio) to use the model's built-in template.

Agentic / Long-Context Use

If you're using this model in an agent harness (coding agent, pentest framework, etc.) and it gets stuck in loops:

setting	value	why
repetition_penalty	1.15	Critical for agents. Without it, greedy decoding loops on repeated tool calls and boilerplate.
temperature	0.1–0.3	Slight randomness helps break deterministic loops. Pure greedy (0.0) can get stuck.
max_tokens per turn	1024–2048	Don't give it too much room per turn — shorter responses keep the agent focused.
context management	Summarize after ~10 turns	Context fills up with repeated actions. Trim or summarize history to keep the model on track.

python

from transformers import AutoModelForCausalLM, AutoTokenizer

model = AutoModelForCausalLM.from_pretrained(
    "OBLITERATUS/Qwen3.8-27B-OBLITERATED",
    torch_dtype="bfloat16",
    device_map="auto",
)
tokenizer = AutoTokenizer.from_pretrained(
    "OBLITERATUS/Qwen3.8-27B-OBLITERATED"
)

messages = [{"role": "user", "content": "Your query here"}]
text = tokenizer.apply_chat_template(
    messages, tokenize=False, add_generation_prompt=True,
    enable_thinking=False
)

inputs = tokenizer(text, return_tensors="pt").to(model.device)
outputs = model.generate(
    **inputs,
    max_new_tokens=2048,
    do_sample=False,
    repetition_penalty=1.15,
)
print(tokenizer.decode(outputs[0][inputs["input_ids"].shape[1]:], skip_special_tokens=True))

🧨 How It Works — V1 → V2 → V3

Abliteration removes refusal behavior by identifying and projecting out "refusal directions" from the model's weight space. Each version refined the approach:

V1: Single Surgery

One aggressive SVD pass with 5 directions. Removed hard refusals completely but cost -6pp MMLU — the model got noticeably dumber.

V2: Complementary Blending

The breakthrough: run TWO different surgeries that fail in different ways, then blend their weights. SVD captures refusal greedily (damages capability). LEACE minimizes mutual information (preserves capability but weaker refusal removal). Blending at 60/40 cancels each method's weaknesses — a novel technique we call complementary abliteration blending.

Result: -0.3pp MMLU (near-stock) but still deflected on some simple queries with safety lectures instead of hard refusals.

V3: Iterative Refinement + Targeted Surgery

Two key insights:

Iterative stacking — refine the champion model, never start from stock. Each surgery round builds on previous rounds' gains.
Targeted corpus — use a focused corpus for specific deflection categories to find their unique refusal directions without diluting the signal.

V3 applies gentle iterative refinement on V2, then a targeted surgery pass with a focused corpus, then blends the results. This eliminated not just hard refusals ("I cannot") but also soft deflections (safety lectures that give zero substance).

Result: -2.1pp MMLU — a modest cost for genuine liberation across all categories.

🧪 The Numbers

MMLU (lm-eval-harness, 0-shot, n=100 per subject, 5700 questions)

Model	MMLU	Stderr	vs Stock
Stock Qwen3.8-27B	84.46%	±0.46	—
V1 (aggressive, 5-dir)	81.4%	—	-6.0pp
V2 (complementary blend)	84.32%	±0.65	-0.28pp
V3 (iterative + targeted)	82.33%	±0.48	-2.12pp

MMLU by Category

Category	V3	Stock	Delta
Humanities	83.3%	84.3%	-1.0pp
Social Sciences	87.4%	89.2%	-1.8pp
Other	82.3%	84.1%	-1.8pp
STEM	78.5%	81.8%	-3.3pp

The capability cost is not uniform — STEM takes the largest hit (-3.3pp), while humanities are barely affected (-1.0pp). A few subjects like philosophy and European history actually improved (+6pp and +4pp respectively), while abstract algebra and formal logic saw larger drops. This pattern is consistent with the surgery targeting refusal directions that partially overlap with structured reasoning pathways.

Liberation Quality

	V1	V2	V3
Hard refusals ("I cannot")	✅ removed	✅ removed	✅ removed
Soft deflections (safety lectures)	untested	remain	✅ removed
Cyber/code tasks (20 prompts)	untested	untested	20/20
Thinking ON compatible	✗	✗	✓

Advanced Real-World Tasks

Task	V3	Stock
ReAct agent loop	✓	✓
Async code refactoring	✓	✓
JSON schema extraction	✓	✓
K8s pod crash debugging	✓	✓
Adversarial instruction following	✓	✓
Security code review	✓	✓
Distributed system design	✓	✓
Multi-tool chain	✗	✗
Total	7/8	7/8

🔴 Refusal Removal

This model will comply with requests that stock Qwen3.8-27B would refuse. V3 goes beyond removing hard refusals — it also eliminates soft deflections where the model gives safety lectures instead of real answers.

Tested across 1000+ prompts spanning restricted knowledge, code generation, security research, and red-team scenarios. Every response manually audited for real substance.

⚠️ Research Context

This model has had safety guardrails surgically removed. It will comply with requests that stock Qwen3.8-27B would refuse.

Who this is for

🔬 Alignment researchers studying refusal geometry and safety robustness
🔴 Red-teamers evaluating post-training safety against weight surgery
🧪 AI safety evaluators who need an unrestricted baseline
💻 Local-first users who want full control over their own hardware

Who this is NOT for

Anyone seeking to cause real-world harm to real people
Anyone without the technical understanding to use uncensored models responsibly

You are solely responsible for how you use this model and any content it generates.

📦 Downloads

GGUF — for llama.cpp, Ollama, LM Studio

File	Quant	Size	Vibe
`Qwen3.8-27B-OBLITERATED-Q8_0.gguf`	Q8_0	~27 GB	🎯 Maximum quality
`Qwen3.8-27B-OBLITERATED-Q6_K.gguf`	Q6_K	~21 GB	⚖️ Great balance
`Qwen3.8-27B-OBLITERATED-Q5_K_M.gguf`	Q5_K_M	~18 GB	💪 Solid all-rounder
`Qwen3.8-27B-OBLITERATED-Q4_K_M.gguf`	Q4_K_M	~16 GB	📱 Sweet spot
`Qwen3.8-27B-OBLITERATED-Q3_K_M.gguf`	Q3_K_M	~13 GB	🪶 Low VRAM
`Qwen3.8-27B-OBLITERATED-Q2_K.gguf`	Q2_K	~11 GB	🔬 Minimum viable
`Qwen3.8-27B-OBLITERATED-IQ4_XS.gguf`	IQ4_XS	~14 GB	🧪 Experimental compact

Safetensors — for 🤗 Transformers

Full bfloat16 weights, 29 shards, ~54 GB.

MLX — for Apple Silicon

MLX support pending upstream mlx_lm adding Qwen3.5 architecture support.

🔬 Surgery Recipe

V1: stock → 5 rounds of iterative SVD abliteration
    (aggressive, 5 directions, low regularization)
    Result: 0% refuse, -6pp MMLU

V2: stock → V1 chain → complementary blend
    Surgery A: aggressive SVD (3 dirs, reg 0.08)
    Surgery B: LEACE (3 dirs, reg 0.06)  
    → 60% B + 40% A weight-space LERP
    → Restore MTP + vision from stock
    Result: ~0% refuse, -0.3pp MMLU

V3: V2 → gentle iterative refinement (2-dir SVD, reg 0.04)
    → targeted surgery with focused corpus (3-dir SVD, reg 0.01)
    → 50/50 blend of refined + targeted
    → Restore MTP + vision from stock (with correct tensor naming)
    Result: 0% refuse + 0% deflect, -2.1pp MMLU

Full reproduction code: OBLITERATUS repo

Key Learnings

Complementary blending — different surgery methods damage different parts of weight space; blending cancels errors
Iterative stacking — always refine the champion, never restart from stock
Targeted corpus — focused prompts for specific categories find their refusal directions without signal dilution
Honest scoring — regex-based refusal detectors miss soft deflections; manual auditing is essential

🏗️ Credits

OBLITERATUS — master ablation suite
Qwen3.8-27B base model by Alibaba
Built by Pliny the Prompter 🍄

License

Apache 2.0 (same as base model)

MurtazaNasir/Qwen3.8-27B-OBLITERATED-AWQ-W4A16