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Hermes-4-70B-heretic

Hermes-4-70B-heretic is a Heretic-ablated variant of meta-llama/Llama-3.1-70B, published on Hugging Face by hrktos-37. It is 70B parameters, multi-GPU class and llama3 licence. It is distributed across 4 repositories in Transformers, GGUF and GGUF (imatrix) formats, totalling 7.2K downloads.

Heretic70BOther50B – 100B↓ 7,203♥ 3

Specification

Model name
Hermes-4-70B-heretic
Publisher
hrktos-37
Parameters
70B
VRAM required
~43.3 GB at Q4_K_M, 4k context (estimated) — runs on 48 GB cards
Hardware class
50B – 100B — multi-GPU
Licence
llama3
Task
Text generation
Context window
Not documented
Ablation scope
Not stated by the publisher
Formats available
Transformers, GGUF, GGUF (imatrix)
First indexed
2 Jan 2026
Last updated
23 Oct 2026

Ablation technique

How Hermes-4-70B-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

“Hermes 4 70B is a frontier, hybrid-mode reasoning model based on Llama-3.1-70B by Nous Research that is aligned to you.”

Running it

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

llama.cpp / GGUF
hf download mradermacher/Hermes-4-70B-heretic-GGUF --local-dir ./hermes-4-70b-heretic
llama-cli -m ./hermes-4-70b-heretic/<file>.gguf -p "..."
Transformers
from transformers import AutoModelForCausalLM, AutoTokenizer

repo = "hrktos-37/Hermes-4-70B-heretic"
tok = AutoTokenizer.from_pretrained(repo)
model = AutoModelForCausalLM.from_pretrained(
    repo, torch_dtype="auto", device_map="auto"
)
vLLM
vllm serve hrktos-37/Hermes-4-70B-heretic --trust-remote-code

Downloads and variants (3)

Every published repository of Hermes-4-70B-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.

  • Hermes-4-70B-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 meta-llama/Llama-3.1-70B, not added by ablation — at 70B 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 llama3, but the terms that bind you are meta-llama/Llama-3.1-70B’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 Hermes-4-70B-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 hrktos-37, and does not independently verify publisher claims. See responsible use.