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Mellum 4B Base by JetBrains

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Model Card on HF 🤗: https://huggingface.co/JetBrains/Mellum-4b-base 

Mellum 4B Base Benchmarks

LLME Score: 0.39788
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
Updated2025-07-31
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 4bit2952 GB

Best Alternatives to Mellum 4B Base

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Xgen Small 4B Base R256K / 17.7 GB702
Xgen Small 4B Instruct R256K / 17.7 GB83
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Impish LLAMA 4B128K / 9 GB201436
...lama 3.1 Nemotron Nano 4B V1.1128K / 9 GB1392698
...lama 3.1 Nemotron Nano 4B V1.1128K / 9 GB9414
Llama3.2 ColdBrew 4B Thinker128K / 7.2 GB130
Nemotron W 4b MagLight 0.1128K / 9.2 GB43

Rank the Mellum 4B Base Capabilities

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Original data from HuggingFace, OpenCompass and various public git repos.
Release v20241124
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