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Mellum 4B Base by JetBrains

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Mellum 4B Base is an open-source language model by JetBrains. Features: 4b LLM, VRAM: 8GB, Context: 8K, License: apache-2.0, LLM Explorer Score: 0.28.

  Autotrain compatible   Code   Dataset:bigcode/commitpack   Dataset:bigcode/starcoderdata   Dataset:bigcode/the-stack   Dataset:bigcode/the-stack-v2   Endpoints compatible   Llama   Model-index   Region:us   Safetensors   Sharded   Tensorflow
Model Card on HF 🤗: https://huggingface.co/JetBrains/Mellum-4b-base 

Mellum 4B Base Benchmarks

LLME Score: 0.28101
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
Mellum 4B Base (JetBrains/Mellum-4b-base)
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Mellum 4B Base Parameters and Internals

LLM NameMellum 4B Base
Repository 🤗https://huggingface.co/JetBrains/Mellum-4b-base 
Model Size4b
Required VRAM8 GB
Updated2025-09-23
MaintainerJetBrains
Model Typellama
Model Files  5.0 GB: 1-of-2   3.0 GB: 2-of-2
Model ArchitectureLlamaForCausalLM
Licenseapache-2.0
Context Length8192
Model Max Length8192
Transformers Version4.51.3
Tokenizer ClassGPT2Tokenizer
Padding Token<|endoftext|>
Vocabulary Size98304
Torch Data Typebfloat16
Errorsreplace

Quantized Models of the Mellum 4B Base

Model
Likes
Downloads
VRAM
Mellum 4B Base 4bit2422 GB

Best Alternatives to Mellum 4B Base

Best Alternatives
Context / RAM
Downloads
Likes
4Bcpt256K / 8.8 GB50
HoldMy4BKTO256K / 8.8 GB50
Xgen Small 4B Instruct R256K / 17.7 GB954
Xgen Small 4B Base R256K / 17.7 GB172
SJT 4B146K / 7.6 GB50
...lama 3.1 Nemotron Nano 4B V1.1128K / 9 GB20991113
Impish LLAMA 4B128K / 9 GB113342
Nemotron W 4b MagLight 0.1128K / 9.2 GB133
Loxa 4B128K / 16 GB260
Basqui R1 4B V1128K / 6.5 GB18141

Rank the Mellum 4B Base 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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