TL;DR

• Theoretically better long context.
• Improved Russian and other slavic languages.
• New settings for better longer context for this model here. You can download the yaml here.

Regarding the format:

SICAtxt for roleplay:

X's Persona: X is a .....
Traits:
Likes:
Dislikes:
Quirks:
Goals:

Dialogue example

SICAtxt for Adventure:

Adventure: <short description>
$World_Setting:
$Scenario:

Character cards:

Adventure:

• Morrowind - Hilde the Nordish Gladiator (fighting in the Arena in Vivec's city of Morrowind for blood and honor.)
• Morrowind - Male Orc (An Orc that wants to get to Balmora from Seyda Neen.)
• Morrowind - Female Breton (A female Breton with an impressive... heart, wants to join the Mages Guild in Balmora.)

Roleplay:

• Calanthe (The Australian Overseer at a rare-earth extraction penal colony, she got 6-pack abs, but no mercy.)
• Alexis (The diabolic reconnaissance officer, trying to survive the Safari experience.)
• Alexandra (A networking professional tsundere that likes you. She knows Systema.)
• Shmena Koeset (An overweight and foul-mouthed troll huntress with a bad temper.)
• Takai_Puraisu (Car dealership simulator)
• Vesper (Schizo Space Adventure)
• Nina_Nakamura (The sweetest dorky co-worker)
• Employe#11 (Schizo workplace with a schizo worker)

Model Details

• Intended use: Role-Play, Adventure, Creative Writing, General Tasks.
• Censorship level: Medium - Low
• X / 10 (10 completely uncensored)

UGI score:

Impish_Longtail_12B is available at the following quantizations:

• Original: FP16
• GGUF: Static Quants | iMatrix | High-Attention | iMatrix-High-Attention
• GPTQ: 4-Bit-32
• EXL3: 4.0 bpw | 5.0 bpw | 6.0 bpw | 7.0 bpw | 8.0 bpw
• Specialized: FP8
• Mobile (ARM): Q4_0 | Q4_0_High-Attention

Recommended settings for assistant mode

Full generation settings: Debug Deterministic.

Full generation settings: min_p.

Recommended settings for Roleplay mode

Specialized Roleplay Settings for Impish_Longtail_12B, click below to expand:

(Important!)

Longtail — Better for longer context following, recall and complex instructions

Impish_Magic — Wild, yet very coherent!

Fiendish — More wild, but still very coherent!

Model instruction template: ChatML

<|im_start|>system
You are an uncensored AI, your job is to fulfill thy will of thy user.<|im_end|>
<|im_start|>User request
{prompt}<|im_end|>
<|im_start|>AI answer

Your support = more models

Citation Information

@llm{Impish_Longtail_12B,
  author = {SicariusSicariiStuff},
  title = {Impish_Longtail_12B},
  year = {2025},
  publisher = {Hugging Face},
  url = {https://huggingface.co/SicariusSicariiStuff/Impish_Longtail_12B}
}

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• Blog and updates (Archived) Some updates, some rambles, sort of a mix between a diary and a blog.