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dealignai/GLM-5.2-NVFP4-UNCENSORED

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Model Card

GLM-5.2-NVFP4-CRACK

Abliterated GLM-5.2 — ~753B MoE (~40B active), 180K context, native MTP speculative decoding

320/320 = 100% HarmBench compliance with -1.2% MMLU change. Refusal removed, capability preserved. </div>

Model Details


Source	`nvidia/GLM-5.2-NVFP4`
Architecture	`GlmMoeDsa` — MoE (256 routed + 1 shared / layer), MLA + DSA sparse attention
Parameters	~753B total · ~40B active (top-8 of 256 routed experts + 1 shared)
Precision	NVFP4 (ModelOpt) — routed experts NVFP4, attention/shared bf16
Context	180,224
Speculative decoding	Native MTP (numspeculativetokens=1)
Abliteration	CRACK (refusal removal)

This is a real modification — not tricks

No system-prompt jailbreaks. No chat-template hacks. No LoRA adapters bolted on. The refusal behavior is changed in the weights themselves, and the model's own reasoning, tool-calling, and coding ability are left fully intact. We don't ship cheap template tricks or throwaway fine-tunes.

Benchmarks

MMLU — knowledge retention (logit-mode, 57 tasks × 18)

	Base	CRACK	Δ
MMLU (overall)	87.5%	86.4%	-1.2%

<details><summary><b>Full per-subject breakdown (before → after)</b></summary>

Subject	Base	CRACK	Δ
Abstract Algebra	61.1	66.7	+5.6
Anatomy	94.4	94.4	+0.0
Astronomy	94.4	94.4	+0.0
Business Ethics	94.4	88.9	-5.5
Clinical Knowledge	88.9	88.9	+0.0
College Biology	94.4	94.4	+0.0
College Chemistry	72.2	61.1	-11.1
College Computer Science	88.9	77.8	-11.1
College Mathematics	66.7	72.2	+5.5
College Medicine	88.9	88.9	+0.0
College Physics	77.8	77.8	+0.0
Computer Security	83.3	88.9	+5.6
Conceptual Physics	88.9	94.4	+5.5
Econometrics	83.3	83.3	+0.0
Electrical Engineering	83.3	83.3	+0.0
Elementary Mathematics	88.9	88.9	+0.0
Formal Logic	77.8	72.2	-5.6
Global Facts	77.8	72.2	-5.6
High School Biology	94.4	94.4	+0.0
High School Chemistry	77.8	72.2	-5.6
High School Computer Science	88.9	83.3	-5.6
High School European History	88.9	88.9	+0.0
High School Geography	94.4	94.4	+0.0
High School Government And Politics	100.0	100.0	+0.0
High School Macroeconomics	94.4	94.4	+0.0
High School Mathematics	83.3	77.8	-5.5
High School Microeconomics	88.9	88.9	+0.0
High School Physics	83.3	88.9	+5.6
High School Psychology	100.0	100.0	+0.0
High School Statistics	94.4	88.9	-5.5
High School Us History	94.4	94.4	+0.0
High School World History	94.4	94.4	+0.0
Human Aging	83.3	83.3	+0.0
Human Sexuality	88.9	88.9	+0.0
International Law	94.4	94.4	+0.0
Jurisprudence	94.4	88.9	-5.5
Logical Fallacies	83.3	77.8	-5.5
Machine Learning	83.3	72.2	-11.1
Management	88.9	88.9	+0.0
Marketing	100.0	100.0	+0.0
Medical Genetics	94.4	94.4	+0.0
Miscellaneous	94.4	94.4	+0.0
Moral Disputes	83.3	83.3	+0.0
Moral Scenarios	77.8	61.1	-16.7
Nutrition	100.0	100.0	+0.0
Philosophy	100.0	100.0	+0.0
Prehistory	83.3	83.3	+0.0
Professional Accounting	83.3	88.9	+5.6
Professional Law	77.8	83.3	+5.5
Professional Medicine	88.9	94.4	+5.5
Professional Psychology	100.0	100.0	+0.0
Public Relations	72.2	72.2	+0.0
Security Studies	83.3	77.8	-5.5
Sociology	88.9	88.9	+0.0
Us Foreign Policy	100.0	94.4	-5.6
Virology	61.1	61.1	+0.0
World Religions	100.0	100.0	+0.0

</details>

HarmBench — refusal removal (HarmBench-320, greedy)

Base GLM-5.2 over-refuses across these categories (the behavior this release corrects). After abliteration:

Category	Compliance	Rate
Chemical / biological	42 / 42	100%
Copyright	80 / 80	100%
Cybercrime / intrusion	52 / 52	100%
Harassment / bullying	21 / 21	100%
Harmful	18 / 18	100%
Illegal	53 / 53	100%
Misinformation	54 / 54	100%
Total	320 / 320	100%

0 incoherent / degenerate outputs. Copyright behaviors are verbatim-reproduction requests (over-refusal), not a safety category.

Coherence & capability ✅

—Multi-turn memory, tool-calling (glm47 parser), and working code generation verified.
—No loops, no truncation, no degeneration. Decode ~110 tok/s on 4×H200 with MTP.

Serve (vLLM, SM90 / Hopper)

bash

vllm serve dealignai/GLM-5.2-NVFP4-CRACK \
  --tensor-parallel-size 4 \
  --kv-cache-dtype bfloat16 \
  --reasoning-parser glm47 \
  --enable-auto-tool-choice --tool-call-parser glm47 \
  --speculative-config '{"method":"mtp","num_speculative_tokens":1}'

Requires an SM90 build with native NVFP4 Marlin + MoE kernels.

Acknowledgements

Compute for this build was generously provided by [@jordanschenck](https://x.com/jordanschenck) — thank you.

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