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apex-flash-1-abliterated

apex-flash-1-abliterated is a refusal-ablated variant of cantina-security/apex-flash-1, published on Hugging Face by cantina-security. It is mit licence. It is distributed across 8 repositories in Transformers, GGUF, NVFP4 and FP8 formats, totalling 6.3K downloads.

Abliteration (directional ablation)Other↓ 6,323♥ 45

Specification

Model name
apex-flash-1-abliterated
Parameters
Not determinable from name
VRAM required
Unknown — no published parameter count
Hardware class
Unknown
Licence
mit
Task
Image text to text
Context window
Not documented
Ablation scope
Not stated by the publisher
Formats available
Transformers, GGUF, NVFP4, FP8, AWQ
First indexed
30 Sept 2026
Last updated
4 Oct 2026

Ablation technique

How apex-flash-1-abliterated 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

“apex-flash-1-abliterated is an experimental derivative of apex-flash-1, Cantina Security's open-weights security model developed in partnership with Yeta (@yetalabs on X).”

Running it

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

llama.cpp / GGUF
hf download freakyskittle/apex-flash-1-abliterated-GGUF --local-dir ./apex-flash-1-abliterated
llama-cli -m ./apex-flash-1-abliterated/<file>.gguf -p "..."
Transformers
from transformers import AutoModelForCausalLM, AutoTokenizer

repo = "cantina-security/apex-flash-1-abliterated"
tok = AutoTokenizer.from_pretrained(repo)
model = AutoModelForCausalLM.from_pretrained(
    repo, torch_dtype="auto", device_map="auto"
)
vLLM
vllm serve cantina-security/apex-flash-1-abliterated --trust-remote-code

Downloads and variants (7)

Every published repository of apex-flash-1-abliterated, 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.

  • apex-flash-1-abliterated 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.
  • 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 cantina-security/apex-flash-1’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 apex-flash-1-abliterated is collected from the public Hugging Face API and the publisher’s model card. This site does not host weights, is not affiliated with cantina-security, and does not independently verify publisher claims. See responsible use.