GPT Oss 20B is an open-source language model by openai. Features: 20b LLM, VRAM: 13.8GB, Context: 128K, License: apache-2.0, LLM Explorer Score: 0.52.
| LLM Name | GPT Oss 20B |
| Repository 🤗 | https://huggingface.co/openai/gpt-oss-20b |
| Model Size | 20b |
| Required VRAM | 13.8 GB |
| Updated | 2026-04-01 |
| Maintainer | openai |
| Model Type | gpt_oss |
| Model Files | |
| Model Architecture | GptOssForCausalLM |
| License | apache-2.0 |
| Context Length | 131072 |
| Model Max Length | 131072 |
| Transformers Version | 4.55.0.dev0 |
| Tokenizer Class | PreTrainedTokenizerFast |
| Padding Token | <|endoftext|> |
| Vocabulary Size | 201088 |
Model |
Likes |
Downloads |
VRAM |
|---|---|---|---|
| GPT Oss 20B GGUF | 665 | 239188 | 11 GB |
| GPT Oss 20B MXFP4 Q8 | 9 | 689700 | 12 GB |
| GPT Oss 20B Unsloth Bnb 4bit | 38 | 201362 | 12 GB |
| GPT Oss 20B Bnb 4bit | 13 | 24416 | 40 GB |
| GPT Oss 20B MXFP4 Q4 | 14 | 4776 | 11 GB |
| GPT Oss 20B MLX 8bit | 50 | 3872 | 22 GB |
Best Alternatives |
Context / RAM |
Downloads |
Likes |
|---|---|---|---|
| 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 Safeguard 20B | 128K / 13.8 GB | 47089 | 206 |
| GPT Oss 20B Heretic Ara V4 | 128K / 13.8 GB | 462 | 11 |
| GPT Oss 20B Abliterated | 128K / 41.6 GB | 332 | 2 |
| GPT Oss 20B BF16 | 128K / 41.6 GB | 110851 | 20 |
| GPT Oss 20B Heretic | 128K / 41.6 GB | 3612 | 103 |
| GPT Oss 20B Ja Fin Thinking | 128K / 41.6 GB | 405 | 8 |
| ...ecurity 20B Merged Heretic Ara | 128K / 41.6 GB | 228 | 1 |
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