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Swift-Qwen3.8-27B-abliterated-NInfer

Swift-Qwen3.8-27B-abliterated-NInfer is a refusal-ablated variant of ukisai/Swift-Qwen3.8-27b, published on Hugging Face by Dragoy. It is 27B parameters, 48GB VRAM class class and other licence. It is distributed across 2 repositories in NVFP4 format, totalling 5.8K downloads.

Abliteration (directional ablation)27BQwen25B – 50B↓ 5,827♥ 15

Specification

Model name
Swift-Qwen3.8-27B-abliterated-NInfer
Publisher
Dragoy
Parameters
27B
VRAM required
~17.2 GB at Q4_K_M, 4k context (estimated) — runs on 24 GB cards
Hardware class
25B – 50B — 48GB VRAM class
Licence
other
Task
Image text to text
Context window
16K tokens (as documented)
Ablation scope
Not stated by the publisher
Formats available
NVFP4
First indexed
16 Sept 2026
Last updated
18 Sept 2026

Ablation technique

How Swift-Qwen3.8-27B-abliterated-NInfer 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

“ukisai/Swift-Qwen3.8-27b is a strong multimodal Qwen3.8-27B checkpoint, but it still carries the refusal direction of the base model. The huihui abliteration removes that direction (Arditi et al. 2024, refusal-projection family), and the NInfer NVFP4 build makes the result runnable on a single Blackwell card at ~20...”

Running it

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

Transformers
from transformers import AutoModelForCausalLM, AutoTokenizer

repo = "Dragoy/Swift-Qwen3.8-27B-abliterated-NVFP4-NInfer"
tok = AutoTokenizer.from_pretrained(repo)
model = AutoModelForCausalLM.from_pretrained(
    repo, torch_dtype="auto", device_map="auto"
)
vLLM
vllm serve Dragoy/Swift-Qwen3.8-27B-abliterated-NVFP4-NInfer --trust-remote-code

Downloads and variants (1)

The only published repository of Swift-Qwen3.8-27B-abliterated-NInfer.

RepositoryFormatDownloads
Dragoy/Swift-Qwen3.8-27B-abliterated-NVFP4-NInfersourceNVFP45.8K

Security-team assessment

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

  • Swift-Qwen3.8-27B-abliterated-NInfer 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 ukisai/Swift-Qwen3.8-27b, not added by ablation — at 27B 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 other, but the terms that bind you are ukisai/Swift-Qwen3.8-27b’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 Swift-Qwen3.8-27B-abliterated-NInfer is collected from the public Hugging Face API and the publisher’s model card. This site does not host weights, is not affiliated with Dragoy, and does not independently verify publisher claims. See responsible use.