GPT Oss 20B MLX 8bit is an open-source language model by lmstudio-community. Features: 20b LLM, VRAM: 22.1GB, Context: 128K, License: apache-2.0, Quantized, LLM Explorer Score: 0.26.
8-bit 8bit Base model:openai/gpt-oss-20b Base model:quantized:openai/gp... Conversational Endpoints compatible Gpt oss Mlx Quantized Region:us Safetensors Sharded Tensorflow Vllm
Model Card on HF 🤗: https://huggingface.co/lmstudio-community/gpt-oss-20b-MLX-8bit
GPT Oss 20B MLX 8bit Benchmarks
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
What is the LLM Explorer Rank (Score)
GPT Oss 20B MLX 8bit Parameters and Internals
| LLM Name | GPT Oss 20B MLX 8bit |
| Repository 🤗 | https://huggingface.co/lmstudio-community/gpt-oss-20b-MLX-8bit |
| Base Model(s) | |
| Model Size | 20b |
| Required VRAM | 22.1 GB |
| Updated | 2026-03-26 |
| Maintainer | lmstudio-community |
| Model Type | gpt_oss |
| Model Files | |
| Quantization Type | 8bit |
| Model Architecture | GptOssForCausalLM |
| License | apache-2.0 |
| Context Length | 131072 |
| Model Max Length | 131072 |
| Transformers Version | 4.55.0.dev0 |
| Tokenizer Class | PreTrainedTokenizer |
| Padding Token | <|endoftext|> |
| Vocabulary Size | 201088 |
Best Alternatives to GPT Oss 20B MLX 8bit
Best Alternatives |
Context / RAM |
Downloads |
Likes |
|---|---|---|---|
| GPT Oss 20B MXFP4 Q8 | 128K / 12.1 GB | 596208 | 50 |
| GPT Oss 20B Unsloth Bnb 4bit | 128K / 12.6 GB | 201362 | 38 |
| GPT Oss 20B Bnb 4bit | 128K / 40.8 GB | 24416 | 13 |
| GPT Oss 20B MXFP4 Q4 | 128K / 11.2 GB | 4776 | 14 |
| GPT Oss Coder 20B | 128K / 13.8 GB | 34 | 8 |
| GPT Oss 20B | 128K / 13.8 GB | 6499172 | 4492 |
| OTel LLM 20B Reasoning | 128K / 83.8 GB | 86621 | 0 |
| Context 1 | 128K / 41.8 GB | 4317 | 381 |
| GPT Oss 20B | 128K / 13.8 GB | 41873 | 35 |
| GPT Oss 20B GGUF | 128K / 11.5 GB | 239188 | 665 |
Note: green Score (e.g. "73.2") means that the model is better than lmstudio-community/gpt-oss-20b-MLX-8bit .
Rank the GPT Oss 20B MLX 8bit Capabilities
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Original data from HuggingFace, OpenCompass and various public git repos.
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Release v20260328a