amazon/bort
amazon/bort is a amazon record on this register. The Hugging Face model API lists the pipeline tag as fill-mask. Architectural context length (max_position_embeddings) is 512. The Hub repository was created on 2 Mar 2022, which is the release date this register uses.
Primary source: the Hugging Face model card for amazon/bort. Fields below come from that card, the Hub model API, and the repository’s own config.json when those files exist. A field we cannot source is omitted rather than guessed.
| Organisation | amazon |
|---|---|
| ReleasedRepo creation date on Hugging Face | 2 Mar 2022 |
| Last modified | 29 May 2025 |
| Context lengthmax_position_embeddings — architectural maximum, not necessarily served | 512 512 |
| Pipeline / taskpipeline_tag on the Hugging Face model API | fill-mask |
| Architecture | bert |
| Layers | 4 |
| Vocabulary | 50,265 |
| DownloadsAt last check | 670 |
| Likes | 18 |
| Gated | No |
No parameter count is shown because the safetensors index was not available when this record was last checked.
Agent capabilities
This model publishes no chat template, so there is nothing to inspect. That is not evidence of missing support — many base models and some releases simply ship without one.
Questions this record can answer
- When was bort released?
- The Hugging Face repository was created on 2 Mar 2022, which is the date this register uses.
- What is the context length of bort?
- 512 tokens. That is max_position_embeddings from the model's own config.json — the architectural maximum, not necessarily the context a provider serves.
- Is bort gated?
- No. The Hugging Face model API does not mark this repository as gated.
Where each field came from
- Hugging Face model API — releasedAt, lastModified, downloads, likes, task, license, gated. Checked 6 Oct 2026.
- config.json — contextLength, layers, vocabSize, architecture. Checked 6 Oct 2026.
First recorded 26 Sept 2026, last checked 6 Oct 2026. This record is compiled automatically from the sources above. Where a field is blank, we could not source it and have not guessed. Canonical repository: huggingface.co/amazon/bort.