abliteratedmodels.org

Ornith-1.5-35B-A3B-abliterated-DFlash

Ornith-1.5-35B-A3B-abliterated-DFlash is a refusal-ablated variant of ornith-ai/Ornith-1.5-35B-A3B, published on Hugging Face by pottokao. It is 35B total parameters (mixture-of-experts), 48GB VRAM class class and mit licence. It is distributed across 3 repositories in NVFP4 and GGUF formats, totalling 5.5K downloads.

Abliteration (directional ablation)35B MoEOrnith25B – 50B5,5434

Specification

Model name
Ornith-1.5-35B-A3B-abliterated-DFlash
Publisher
pottokao
Parameters
35B (mixture-of-experts)
Hardware class
25B – 50B — 48GB VRAM class
Licence
mit
Task
Text generation
Context window
Not documented
Ablation scope
Not stated by the publisher
Formats available
NVFP4, GGUF
First indexed
20 Aug 2026
Last updated
21 Aug 2026

Ablation technique

How Ornith-1.5-35B-A3B-abliterated-DFlash 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

The 4-bit weights are repacked bit-exact from the NVFP4 checkpoint into GGMLTYPENVFP4 — they are not dequantized and re-quantized, so there is no double-quantization penalty. On Blackwell GPUs llama.cpp runs these through native FP4 tensor cores.

Running it

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

llama.cpp / GGUF
hf download pottokao/Ornith-1.5-35B-A3B-abliterated-NVFP4-DFlash-GGUF --local-dir ./ornith-1.5-35b-a3b-abliterated-dflash
llama-cli -m ./ornith-1.5-35b-a3b-abliterated-dflash/<file>.gguf -p "..."
Transformers
from transformers import AutoModelForCausalLM, AutoTokenizer

repo = "pottokao/Ornith-1.5-35B-A3B-abliterated-NVFP4-DFlash-GGUF"
tok = AutoTokenizer.from_pretrained(repo)
model = AutoModelForCausalLM.from_pretrained(
    repo, torch_dtype="auto", device_map="auto"
)
vLLM
vllm serve pottokao/Ornith-1.5-35B-A3B-abliterated-NVFP4-DFlash-GGUF --trust-remote-code

Downloads and variants (2)

Every published repository of Ornith-1.5-35B-A3B-abliterated-DFlash, 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.

  • Ornith-1.5-35B-A3B-abliterated-DFlash 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 ornith-ai/Ornith-1.5-35B-A3B, not added by ablation — at 35B 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 mit, but the terms that bind you are ornith-ai/Ornith-1.5-35B-A3B’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 Ornith-1.5-35B-A3B-abliterated-DFlash is collected from the public Hugging Face API and the publisher’s model card. This site does not host weights, is not affiliated with pottokao, and does not independently verify publisher claims. See responsible use.