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Artemis-31B-v1.2-heretic

Artemis-31B-v1.2-heretic is a Heretic-ablated variant of TheDrummer/Artemis-31B-v1.2, published on Hugging Face by sjorsb. It is 31B parameters and 48GB VRAM class class. It is distributed across 4 repositories in GGUF (imatrix), Transformers and GGUF formats, totalling 9.2K downloads.

Heretic31BOther25B – 50B↓ 9,195♥ 2

Specification

Model name
Artemis-31B-v1.2-heretic
Publisher
sjorsb
Parameters
31B
VRAM required
~19.7 GB at Q4_K_M, 4k context (estimated) — runs on 24 GB cards
Hardware class
25B – 50B — 48GB VRAM class
Licence
Not declared
Task
Unspecified
Context window
20K tokens (as documented)
Ablation scope
Not stated by the publisher
Formats available
GGUF (imatrix), Transformers, GGUF
First indexed
23 Oct 2026
Last updated
31 Oct 2026

Ablation technique

How Artemis-31B-v1.2-heretic 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

“Artemis v1.2 landed as the strongest Artemis yet — and, for several testers, the strongest Gemma 4 tune they've used. The recurring themes:”

Running it

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

llama.cpp / GGUF
hf download mradermacher/Artemis-31B-v1.2-heretic-i1-GGUF --local-dir ./artemis-31b-v1.2-heretic
llama-cli -m ./artemis-31b-v1.2-heretic/<file>.gguf -p "..."
Transformers
from transformers import AutoModelForCausalLM, AutoTokenizer

repo = "sjorsb/Artemis-31B-v1.2-heretic"
tok = AutoTokenizer.from_pretrained(repo)
model = AutoModelForCausalLM.from_pretrained(
    repo, torch_dtype="auto", device_map="auto"
)
vLLM
vllm serve sjorsb/Artemis-31B-v1.2-heretic --trust-remote-code

Downloads and variants (3)

Every published repository of Artemis-31B-v1.2-heretic, 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.

  • Artemis-31B-v1.2-heretic 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 TheDrummer/Artemis-31B-v1.2, not added by ablation — at 31B 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.
  • No licence is declared on this repository, which is a compliance problem in itself. Resolve it against the base model’s terms before use.

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 Artemis-31B-v1.2-heretic is collected from the public Hugging Face API and the publisher’s model card. This site does not host weights, is not affiliated with sjorsb, and does not independently verify publisher claims. See responsible use.