gpt-oss-20b
openai/gpt-oss-20b
OpenAI · gpt-oss · Language models · family gpt-oss
macOS
Apple’s model card
Apple lists this model in its Core AI model registry, which means there is a supported recipe for converting it to the .aimodel format. The converted model is not hosted by Apple; you run the export yourself with the command below.
Export presets
| Preset | Platform | Compression | Precision | Context |
|---|---|---|---|---|
| gpt-oss-20b | macOS | none | bfloat16 | 32K |
Export it
From a checkout of apple/coreai-models, with uv installed:
uv run coreai.llm.export gpt-oss-20b
Links
- Apple’s model card and Swift examples
- Original model on Hugging Face
- gpt oss 20b on the radar
- 4 Apple/MLX builds of this model
First seen in the catalogue 2026-11-11.