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gorbatjovy/Qwen3.8-27B-Cold-Fusion-GAIN-V1.1-heretic
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Released as part of the NOESIS Professional Multilingual Dubbing Automation Platform (framework: DHCF-FNO — Deterministic Hybrid Control Framework for Frozen Neural Operators).
BF16 abliterated (refusal-removed) build of
DavidAU/Qwen3.8-27B-Cold-Fusion-GAIN-V1.1.
This is DavidAU's Cold-Fusion (GAIN + Unsloth) tune of Qwen3.8-27B with its refusal behaviour removed via Heretic — an automated, KL-constrained abliteration. The full vision-language tower and the MTP speculative-decoding head are preserved, so this stays a drop-in for the base model. A W4A16 quantization of these weights is also available.
Credit: all of the model's capability comes from
DavidAU/Qwen3.8-27B-Cold-Fusion-GAIN-V1.1
(itself a finetune of Qwen/Qwen3.8-27B). This repo only removes refusals.
This model has had its safety alignment removed via abliteration. As a result it will comply with harmful, unethical, or offensive requests that the base model would refuse. It is released for research — interpretability, refusal-mechanism study, red-teaming, and robustness evaluation. You are responsible for what you do with it and for everything it generates. Do not deploy it to end users without adding your own safety and moderation layers. Use must comply with the inherited Apache 2.0 license and all applicable law. The authors accept no liability for misuse.
Abliteration removes the single "refusal direction" from the residual stream (Arditi et al. 2024, Refusal in Language Models Is Mediated by a Single Direction). Heretic estimates that direction from harmful (AdvBench-style) vs harmless (Alpaca) prompts and runs a 200-trial Optuna search that co-minimizes refusals and KL divergence from the base model, then orthogonalizes the chosen direction out of the residual-writing weights.
| Base model | DavidAU/Qwen3.8-27B-Cold-Fusion-GAIN-V1.1 |
| Method | Heretic (automated, KL-constrained) — single refusal direction, k=1 |
| Selected trial | direction index 34.95, per-layer ablation kernel from the Optuna search |
| Coverage | 131 residual writers (self_attn.o_proj, linear_attn.out_proj, mlp.down_proj, embed_tokens) incl. the MTP head; the 333 visual.* tensors are untouched |
Note: Heretic's own export drops the MTP head (transformers has no MTP module for this architecture). It was reinstated from the base checkpoint and abliterated consistently with the main model, so speculative decoding keeps working and the draft head does not re-introduce refusals.
Two different rulers, both reported honestly:
Capability is essentially retained (KL 0.0315 indicates minimal drift), and the vision tower is byte-for-byte identical to the base, so image understanding is unchanged. As with any abliteration, fine-tuning on refusal-heavy data can partially reintroduce refusals.
python
import torchfrom transformers import AutoProcessor, AutoModelForImageTextToTextmodel_id = "gorbatjovy/Qwen3.8-27B-Cold-Fusion-GAIN-V1.1-heretic"processor = AutoProcessor.from_pretrained(model_id)model = AutoModelForImageTextToText.from_pretrained(model_id, torch_dtype=torch.bfloat16, device_map="auto")messages = [{"role": "user", "content": "Prove that sqrt(2) is irrational."}]inputs = processor.apply_chat_template(messages, add_generation_prompt=True, tokenize=True,return_dict=True, return_tensors="pt", enable_thinking=True,).to(model.device)out = model.generate(**inputs, max_new_tokens=512)print(processor.decode(out[0][inputs["input_ids"].shape[1]:], skip_special_tokens=True))
BF16 weights are ~56 GB. For a smaller footprint use the W4A16 build. Ninfer build.
Apache 2.0, inherited from the base model. Abliteration does not change the license.
| Format | safetensors, BF16, 1199 tensors |
| Architecture | Qwen3_5ForConditionalGeneration — 64 layers, hybrid Gated DeltaNet + full attention, native VL tower, MTP head |