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Gemma-4-31B-The-Deckards-Brain

RP Chat

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Ratings reflect this model as run on Arli AI.

Gemma-4-31B-The-Deckards-Brain is a text generation model available on Arli AI. It offers 31B parameters, 262K token context, reasoning support, vision input. Recommended use: RP Chat. Run it through the OpenAI-compatible chat completions API with unlimited requests and zero-log privacy.

View on Hugging FaceBack to Models

Hourly Usage

Token Usage

Input (24H)

193K

Output (24H)

6K

Input (7D)

822K

Output (7D)

34K

Performance Metrics

Typical Total Time

20.02s

Typical TTFT

3.38s

Typical Input TPS

1739.22

Typical Output TPS

16.82

Model Information

Context Size

262144

Quantization

r128 on FP8

Engine

vllm

Creation Method

Finetune

Model Class

Gemma-4-31B - LoRA

Chat Template

Gemma4

Reasoning

Yes

Vision

Yes

Parameters

31B

Added At

8/8/2026

Use Gemma-4-31B-The-Deckards-Brain with the Arli AI API

Gemma-4-31B-The-Deckards-Brain is available through an OpenAI-compatible chat completions endpoint. Point any OpenAI SDK at https://api.arliai.com/v1, pass Gemma-4-31B-The-Deckards-Brain as the model, and requests are served without logging.

cURL

curl https://api.arliai.com/v1/chat/completions \
  -H "Authorization: Bearer $ARLIAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "Gemma-4-31B-The-Deckards-Brain",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Python

from openai import OpenAI

client = OpenAI(
    base_url="https://api.arliai.com/v1",
    api_key="YOUR_ARLIAI_API_KEY",
)

response = client.chat.completions.create(
    model="Gemma-4-31B-The-Deckards-Brain",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)

See the text generation docs for every parameter, or read the quick start guide to make your first request.

Similar models

license: apache-2.0 base_model:

  • DavidAU/gemma-4-31B-it-The-DECKARD-HERETIC-UNCENSORED-Thinking
  • Nimbz/Gemma-4-Gembrain-31B pipeline_tag: image-text-to-text tags:
  • merge
  • heretic
  • creative writing
  • roleplay
  • fiction
  • roleplaying
  • 31B
  • gemma-4
  • reasoning
  • non-reasoning
  • writing library_name: transformers

The DECKARD's Brain - Gemma 4, 31b

This model aims to counteract the recent slop- and fluffmaxxed fine-tunes which have a great grasp of anime with the raw power of darkness and truely unhinged storytelling of The DECKARD.

It is a slerp merge of DavidAU's The Deckard fine-tune of Gemma 4 31B with the grand melting pot of Nimbz's Gembrain (MeroMero, Garnet, Musica, etc.) through a custom script. In theory (and practice), this is enabling you to have an enhanced experience of both anime tropes and surrealist psychedelic erotic horror in the same conversation!

The interpolation coefficient was selected as 0.6934 (arbitrary number) in favor of The Deckard to decay the distillmaxxed models slop.

This is a merger of two hereticised models: The Deckard (hereticised by the author) and Gembrain, which has been hereticised by LLMFan before this merge. Nimbz's Gembrain has had an insanely high refusal rate of 99/100 and I had to select the abliterated version.

Note: Please, do not uncensor this model further – the model is already a merge of two hereticised models.

The prompt format is fully inherited from DavidAU's The Deckard Thinking, meaning the chat template will have thinking by default. To disable, override the chat template with chat_template-instruct.jinja.

Thinking is highly recommended to not be ever turned off! If you are role-playing in non-English, this is crucial to bring your language output distribution closer to the English/Japanese training set, otherwise it will be much more bland and more censored!

This model's capabilities (anime tropes, horror, heretification) transfer to other languages and, for example, it works perfectly in Russian!

The settings I use:

  • Temperature: 1.2
  • Frequency penalty: 0.3
  • Presence penalty: 0.7
  • Top P 0.93

For the best effect, add to your system prompt or the OOC command before a particularly unhinged scene/ST message: Write the next scene in the style of a horny AO3 teenage fanfic (but without "fanfic" sugar) writer / Philip K. Dick hybrid. The model strongly reacts to both style guides (especially to Dick's mention). The "/" symbol is a part of the prompt, not a "choose one" instruction!

I provide a NVFP4-converted, calibrated on r/writingprompts, quant here, for very high speed on Blackwell (60tg/sec compared to 30tg/sec on Q8), along the some other GGUF files (Q8, Q6, Q4) at GGUF here.

The model's fundamental lineage can be summarized as follows:

x

I'm grateful for all the authors of these models, especially to the base trainers and fine-tuners.