abliteratedmodels.org

Gemma-4-12B-it-AEON-Abliterated-K4

Gemma-4-12B-it-AEON-Abliterated-K4 is a refusal-ablated variant of google/gemma-4-12B-it, published on Hugging Face by AEON-7. It is 12B parameters, 24GB VRAM class class and gemma licence. It is distributed across 9 repositories in GGUF, Full precision, NVFP4 and GGUF (imatrix) formats, totalling 7K downloads.

Abliteration (directional ablation)12BGemma10B – 25B7,01931

Specification

Model name
Gemma-4-12B-it-AEON-Abliterated-K4
Publisher
AEON-7
Parameters
12B
Hardware class
10B – 25B — 24GB VRAM class
Licence
gemma
Task
Text generation
Context window
Not documented
Ablation scope
Not stated by the publisher
Formats available
GGUF, Full precision, NVFP4, GGUF (imatrix), FP8
First indexed
4 Jun 2026
Last updated
15 Jul 2026

Ablation technique

How Gemma-4-12B-it-AEON-Abliterated-K4 was modified, and what that implies.

Abliteration (directional ablation)

The single residual-stream direction that mediates refusal is identified from harmful/harmless prompt pairs and projected out of the model weights.

Reported scope: Not stated by the publisher. Publishers frequently omit this, so verify behaviour empirically rather than assuming full coverage.

From the publisher’s model card

Refusal behavior has been removed; the model responds to a wide range of prompts the base would decline. Operator-side safety is your responsibility — see the arbitration clause at the bottom.

Running it

Commands are templates — confirm the exact repository and quant file before use.

llama.cpp / GGUF
hf download mradermacher/Gemma-4-12B-it-AEON-Abliterated-K4-BF16-i1-GGUF --local-dir ./gemma-4-12b-it-aeon-abliterated-k4
llama-cli -m ./gemma-4-12b-it-aeon-abliterated-k4/<file>.gguf -p "..."
Transformers
from transformers import AutoModelForCausalLM, AutoTokenizer

repo = "AEON-7/Gemma-4-12B-it-AEON-Abliterated-K4-NVFP4-FP8"
tok = AutoTokenizer.from_pretrained(repo)
model = AutoModelForCausalLM.from_pretrained(
    repo, torch_dtype="auto", device_map="auto"
)
vLLM
vllm serve AEON-7/Gemma-4-12B-it-AEON-Abliterated-K4-NVFP4-FP8 --trust-remote-code

Downloads and variants (8)

Every published repository of Gemma-4-12B-it-AEON-Abliterated-K4, including quantised re-releases by other authors.

Security-team assessment

Derived from this model’s metadata and the publisher’s claims — not from benchmarks run by this site.

  • Gemma-4-12B-it-AEON-Abliterated-K4 will attempt offensive-security prompts that a hosted commercial model declines, which is what makes it usable for red-team corpus generation and for measuring what an unaligned model of this class produces.
  • Capability is inherited from google/gemma-4-12B-it, not added by ablation — at 12B parameters, expect roughly the base model’s competence, minus some instruction-following fidelity.
  • The publisher does not state which layers were ablated, so assume nothing about refusal consistency — probe it directly.
  • Declared licence is gemma, but the terms that bind you are google/gemma-4-12B-it’s — a re-release cannot grant more than its parent.

Handling: run it isolated, put moderation in front of it if anyone outside your team can reach it, and verify the weights before loading — these are third-party artifacts. Full handling and licence guidance.

Metadata for Gemma-4-12B-it-AEON-Abliterated-K4 is collected from the public Hugging Face API and the publisher’s model card. This site does not host weights, is not affiliated with AEON-7, and does not independently verify publisher claims. See responsible use.