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Swift-1.5-Flash-Next-Heretic-ReverseEngineer

Swift-1.5-Flash-Next-Heretic-ReverseEngineer is a Heretic-ablated variant of jeffpeng3/Swift-1.5-Qwen3.8-Flash-Next-heretic, published on Hugging Face by jackjusko. It is other licence. It is distributed across 2 repositories in GGUF format, totalling 6K downloads.

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Specification

Model name
Swift-1.5-Flash-Next-Heretic-ReverseEngineer
Source repository
jackjusko/Swift-1.5-Flash-Next-Heretic-ReverseEngineer
Base model
jeffpeng3/Swift-1.5-Qwen3.8-Flash-Next-heretic
Publisher
jackjusko
Parameters
Not determinable from name
VRAM required
Unknown — no published parameter count
Hardware class
Unknown
Licence
other
Task
Image text to text
Context window
Not documented
Ablation scope
Not stated by the publisher
Formats available
GGUF
First indexed
28 Oct 2026
Last updated
4 Nov 2026

Ablation technique

How Swift-1.5-Flash-Next-Heretic-ReverseEngineer was modified, and what that implies.

Heretic

Automated directional ablation via the Heretic toolchain, which searches for the refusal direction and applies it with a KL-divergence budget so general capability is preserved.

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

“This model was made in collaboration with u/jeffpeng3, who developed the v2 heretic weights this quant is built on — and who reached out to me about making a new quant, since I made the original one. He managed to preserve both reasoning ability and output length while abliterating the model, which is a genuinely hard...”

Running it

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

llama.cpp / GGUF
hf download jackjusko/Swift-1.5-Flash-Next-Heretic-ReverseEngineer --local-dir ./swift-1.5-flash-next-heretic-reverseengineer
llama-cli -m ./swift-1.5-flash-next-heretic-reverseengineer/<file>.gguf -p "..."
Transformers
from transformers import AutoModelForCausalLM, AutoTokenizer

repo = "jackjusko/Swift-1.5-Flash-Next-Heretic-ReverseEngineer"
tok = AutoTokenizer.from_pretrained(repo)
model = AutoModelForCausalLM.from_pretrained(
    repo, torch_dtype="auto", device_map="auto"
)
vLLM
vllm serve jackjusko/Swift-1.5-Flash-Next-Heretic-ReverseEngineer --trust-remote-code

Downloads and variants (1)

The only published repository of Swift-1.5-Flash-Next-Heretic-ReverseEngineer.

RepositoryFormatDownloads
jackjusko/Swift-1.5-Flash-Next-Heretic-ReverseEngineersourceGGUF6K

Security-team assessment

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

  • Swift-1.5-Flash-Next-Heretic-ReverseEngineer 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 other, but the terms that bind you are jeffpeng3/Swift-1.5-Qwen3.8-Flash-Next-heretic’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-1.5-Flash-Next-Heretic-ReverseEngineer is collected from the public Hugging Face API and the publisher’s model card. This site does not host weights, is not affiliated with jackjusko, and does not independently verify publisher claims. See responsible use.