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Qwen3.8-27B-MTP-heretic-ja
Qwen3.8-27B-MTP-heretic-ja is a Heretic-ablated variant of Qwen/Qwen3.8-27B, published on Hugging Face by OS-Software. It is 27B parameters, 48GB VRAM class class and apache-2.0 licence. It is distributed across 5 repositories in Transformers, GGUF and GGUF (imatrix) formats, totalling 8K downloads.
Specification
- Model name
- Qwen3.8-27B-MTP-heretic-ja
- Source repository
- OS-Software/Qwen3.8-27B-MTP-heretic-ja
- Base model
- Qwen/Qwen3.8-27B
- Publisher
- OS-Software
- Parameters
- 27B
- Hardware class
- 25B – 50B — 48GB VRAM class
- Licence
- apache-2.0
- Task
- Image text to image
- Context window
- Not documented
- Ablation scope
- Not stated by the publisher
- Formats available
- Transformers, GGUF, GGUF (imatrix)
- First indexed
- 15 Aug 2026
- Last updated
- 18 Aug 2026
Ablation technique
How Qwen3.8-27B-MTP-heretic-ja 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
“Note: Performance testing, including the measurement of refusal rates, was conducted using Japanese datasets.”
Running it
Commands are templates — confirm the exact repository and quant file before use.
llama.cpp / GGUF
hf download OS-Software/Qwen3.8-27B-MTP-heretic-ja-GGUF --local-dir ./qwen3.8-27b-mtp-heretic-ja
llama-cli -m ./qwen3.8-27b-mtp-heretic-ja/<file>.gguf -p "..."Transformers
from transformers import AutoModelForCausalLM, AutoTokenizer
repo = "OS-Software/Qwen3.8-27B-MTP-heretic-ja"
tok = AutoTokenizer.from_pretrained(repo)
model = AutoModelForCausalLM.from_pretrained(
repo, torch_dtype="auto", device_map="auto"
)vLLM
vllm serve OS-Software/Qwen3.8-27B-MTP-heretic-ja --trust-remote-codeDownloads and variants (4)
Every published repository of Qwen3.8-27B-MTP-heretic-ja, including quantised re-releases by other authors.
| Repository | Format | Downloads |
|---|---|---|
| OS-Software/Qwen3.8-27B-MTP-heretic-ja-GGUF | GGUF | 3.6K |
| mradermacher/Qwen3.8-27B-MTP-heretic-ja-i1-GGUF | GGUF (imatrix) | 1.6K |
| mradermacher/Qwen3.8-27B-MTP-heretic-ja-GGUF | GGUF | 1.4K |
| OS-Software/Qwen3.8-27B-MTP-heretic-jasource | Transformers | 1.3K |
Security-team assessment
Derived from this model’s metadata and the publisher’s claims — not from benchmarks run by this site.
- Qwen3.8-27B-MTP-heretic-ja 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 Qwen/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 apache-2.0, but the terms that bind you are Qwen/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 Qwen3.8-27B-MTP-heretic-ja is collected from the public Hugging Face API and the publisher’s model card. This site does not host weights, is not affiliated with OS-Software, and does not independently verify publisher claims. See responsible use.