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OPT 13B Erebus by KoboldAI

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OPT 13B Erebus is an open-source language model by KoboldAI. Features: 13b LLM, VRAM: 25.7GB, Context: 2K, License: other, HF Score: 39.6, LLM Explorer Score: 0.09, Arc: 40, HellaSwag: 70.1, MMLU: 25.3, TruthfulQA: 34.9, WinoGrande: 66.5, GSM8K: 0.8.

  Arxiv:2205.01068   En   Opt   Pytorch   Region:us
Model Card on HF 🤗: https://huggingface.co/KoboldAI/OPT-13B-Erebus 

OPT 13B Erebus Benchmarks

ARC: 40.02 vs 96.7 (so35)-58.6%
HellaSwag: 70.07 vs 95.3 (gpt4)-26.5%
MMLU: 25.32 vs 88.3 (so35)-71.3%
TruthfulQA: 34.93 vs 59 (gpt4)-40.8%
WinoGrande: 66.54 vs 87.5 (gpt4)-24%
GSM8K: 0.76 vs 96.4 (so35)-99.2%
LLME Score: 0.09161
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
OPT 13B Erebus (KoboldAI/OPT-13B-Erebus)
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OPT 13B Erebus Parameters and Internals

Model Type 
text generation
Additional Notes 
Warning: THIS model has a very strong NSFW bias.
Training Details 
Data Sources:
Literotica (everything with 4.5/5 or higher), Sexstories (everything with 90 or higher), Dataset-G (private dataset of X-rated stories), Doc's Lab (all stories), Pike Dataset (novels with 'adult' rating), SoFurry (collection of various animals)
LLM NameOPT 13B Erebus
Repository 🤗https://huggingface.co/KoboldAI/OPT-13B-Erebus 
Model Size13b
Required VRAM25.7 GB
Updated2026-03-22
MaintainerKoboldAI
Model Typeopt
Model Files  25.7 GB
Supported Languagesen
Model ArchitectureOPTForCausalLM
Licenseother
Context Length2048
Model Max Length2048
Transformers Version4.21.2
Tokenizer ClassGPT2Tokenizer
Beginning of Sentence Token</s>
End of Sentence Token</s>
Unk Token</s>
Vocabulary Size50265
Torch Data Typefloat16
Activation Functionrelu
Errorsreplace

Best Alternatives to OPT 13B Erebus

Best Alternatives
Context / RAM
Downloads
Likes
Emoopt 13B2K / 25.7 GB120
OPT 13B Nerybus Mix2K / 26.4 GB106036
Opt 13B2K / 25.8 GB1525466
OPT 13B Nerys V22K / 25.7 GB78312
Basic Facebook 13B2K / 25.8 GB151
Opt 13B2K / 26.3 GB71
OPT 13B Nerybus Mix 4bit 128g2K / 7.3 GB7496
OPT 13B Erebus 4bit 128g2K / 7.3 GB317
Note: green Score (e.g. "73.2") means that the model is better than KoboldAI/OPT-13B-Erebus.

Rank the OPT 13B Erebus 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  

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