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GPT Oss 120B 4bit by mlx-community

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GPT Oss 120B 4bit is an open-source language model by mlx-community. Features: 120b LLM, VRAM: 65.9GB, Context: 128K, License: apache-2.0, Quantized, LLM Explorer Score: 0.23.

  4-bit   4bit   Conversational   Endpoints compatible   Gpt oss   Quantized   Region:us   Safetensors   Sharded   Tensorflow   Vllm
Model Card on HF 🤗: https://huggingface.co/mlx-community/gpt-oss-120b-4bit 

GPT Oss 120B 4bit Benchmarks

LLME Score: 0.23441
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
GPT Oss 120B 4bit (mlx-community/gpt-oss-120b-4bit)
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GPT Oss 120B 4bit Parameters and Internals

LLM NameGPT Oss 120B 4bit
Repository 🤗https://huggingface.co/mlx-community/gpt-oss-120b-4bit 
Model Size120b
Required VRAM65.9 GB
Updated2026-04-20
Maintainermlx-community
Model Typegpt_oss
Model Files  5.2 GB: 1-of-13   5.4 GB: 2-of-13   4.9 GB: 3-of-13   5.4 GB: 4-of-13   4.9 GB: 5-of-13   5.3 GB: 6-of-13   4.9 GB: 7-of-13   5.4 GB: 8-of-13   4.9 GB: 9-of-13   5.4 GB: 10-of-13   4.9 GB: 11-of-13   5.3 GB: 12-of-13   4.0 GB: 13-of-13
Quantization Type4bit
Model ArchitectureGptOssForCausalLM
Licenseapache-2.0
Context Length131072
Model Max Length131072
Transformers Version4.55.0.dev0
Tokenizer ClassPreTrainedTokenizerFast
Padding Token<|endoftext|>
Vocabulary Size201088

Best Alternatives to GPT Oss 120B 4bit

Best Alternatives
Context / RAM
Downloads
Likes
GPT Oss 120B MLX 8bit128K / 123.7 GB5413513
GPT Oss 120B Unsloth Bnb 4bit128K / 62.1 GB4948315
GPT Oss 120B MXFP4 Q8128K / 63.7 GB798312
GPT Oss 120B MXFP4 Q4128K / 61.9 GB12514
GPT Oss 120B 3bit128K / 113.2 GB6646
GPT Oss 120B128K / 65.1 GB41824524753
GPT Oss 120B128K / 65.1 GB5132822
GPT Oss 120B GGUF128K / 65.4 GB186699240
GPT Oss 120B BF16128K / 142 GB2053858
GPT Oss Safeguard 120B128K / 65.1 GB1790192
Note: green Score (e.g. "73.2") means that the model is better than mlx-community/gpt-oss-120b-4bit.

Rank the GPT Oss 120B 4bit 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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