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GPT Oss 20B MXFP4 Q8 by mlx-community

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Model Card on HF 🤗: https://huggingface.co/mlx-community/gpt-oss-20b-MXFP4-Q8 

GPT Oss 20B MXFP4 Q8 Benchmarks

LLME Score: 0.38049
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
GPT Oss 20B MXFP4 Q8 (mlx-community/gpt-oss-20b-MXFP4-Q8)
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GPT Oss 20B MXFP4 Q8 Parameters and Internals

LLM NameGPT Oss 20B MXFP4 Q8
Repository 🤗https://huggingface.co/mlx-community/gpt-oss-20b-MXFP4-Q8 
Base Model(s)  GPT Oss 20B   openai/gpt-oss-20b
Model Size20b
Required VRAM12.1 GB
Updated2025-08-31
Maintainermlx-community
Model Typegpt_oss
Model Files  5.3 GB: 1-of-3   5.3 GB: 2-of-3   1.5 GB: 3-of-3
Quantization Typeq8
Model ArchitectureGptOssForCausalLM
Licenseapache-2.0
Context Length131072
Model Max Length131072
Transformers Version4.55.0.dev0
Tokenizer ClassPreTrainedTokenizer
Padding Token<|endoftext|>
Vocabulary Size201088

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GPT Oss 20B Dequantized128K / 41.6 GB41160
GPT Oss 20B ShiningValiant3128K / 41.6 GB24314
Note: green Score (e.g. "73.2") means that the model is better than mlx-community/gpt-oss-20b-MXFP4-Q8.

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Instruction Following and Task Automation  
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Release v20241124
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