What are the hardware requirements for Impish Longtail 12B?

Impish Longtail 12B requires approximately 24.5 GB of VRAM and supports a context window of 1000K tokens. Quantized variants may run on less VRAM; see the Quantized Models section on this page.

Who developed Impish Longtail 12B and how large is it?

Impish Longtail 12B is developed by Sicarius-Prototyping, a model with 12b parameters. The model is published as open weights on Hugging Face and indexed on LLM Explorer with full benchmark history.

Where can I download or evaluate Impish Longtail 12B?

Impish Longtail 12B is hosted on Hugging Face and linked from this page. LLM Explorer also lists quantized variants and similar alternatives if available.

Impish Longtail 12B by Sicarius-Prototyping — VRAM 24.5GB, 1000K context

Name: Impish Longtail 12B
Author: Sicarius-Prototyping

Impish Longtail 12B is an open-source language model by Sicarius-Prototyping. Features: 12b LLM, VRAM: 24.5GB, Context: 1000K, License: apache-2.0, LLM Explorer Score: 0.2.

Base model:finetune:sicariussi... Base model:sicariussicariistuf... Dataset:sicariussicariistuff/u... En Mistral Region:us Safetensors Sharded Tensorflow

Model Card on HF 🤗: https://huggingface.co/SicariusSicariiStuff/Impish_Longtail_12B

Impish Longtail 12B Parameters and Internals

LLM Name	Impish Longtail 12B
Repository 🤗	https://huggingface.co/SicariusSicariiStuff/Impish_Longtail_12B
Base Model(s)	Impish Nemo 12B SicariusSicariiStuff/Impish_Nemo_12B
Model Size	12b
Required VRAM	24.5 GB
Updated	2026-07-26
Maintainer	Sicarius-Prototyping
Model Type	mistral
Model Files	4.9 GB: 1-of-5 4.9 GB: 2-of-5 4.9 GB: 3-of-5 4.9 GB: 4-of-5 4.9 GB: 5-of-5
Supported Languages	en
Model Architecture	MistralForCausalLM
License	apache-2.0
Context Length	1024000
Model Max Length	1024000
Transformers Version	4.55.0
Tokenizer Class	PreTrainedTokenizerFast
Padding Token	<pad>
Vocabulary Size	131072
Torch Data Type	bfloat16

Rank the Impish Longtail 12B capabilities

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Instruction Following and Task Automation
Factuality and Completeness of Knowledge
Censorship and Alignment
Data Analysis and Insight Generation
Text Generation
Text Summarization and Feature Extraction
Code Generation
Multi-Language Support and Translation

Best Alternatives to Impish Longtail 12B

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...r Nemo 12B Instruct R 21 09 24	1000K / 24.5 GB	396277	141
Riverfish Rocinante 12B SFT	1000K / 49.4 GB	166	1
MN 12B Mag Mell R1	1000K / 24.5 GB	69558	238
Riverfish Rocinante 12B	1000K / 49.4 GB	111	1
MN 12B LucidFaun RP RU	1000K / 24.5 GB	1005	6
Qliphoth 12B V1.2	1000K / 24.5 GB	107	7
Shining Gold Sakura 12B	1000K / 24.5 GB	52	2
Captain Eris BMO Violent 12B	1000K / 24.5 GB	305	2
Dans SakuraKaze V1.0.0 12B	1000K / 24.5 GB	7	21
...n Eris BMO Violent GRPO V0.420	1000K / 24.5 GB	92	3

Note: green Score (e.g. "73.2") means that the model is better than SicariusSicariiStuff/Impish_Longtail_12B.