# AI Stack Registry - Models Provider openai

- Markdown: https://aistackregistry.com/snapshots/2026-06-01/models/openai/index.md
- Text: https://aistackregistry.com/snapshots/2026-06-01/models/openai/index.txt
- JSON: https://aistackregistry.com/snapshots/2026-06-01/models/openai/index.json
- Last built: 2026-06-01T03:21:45+00:00
- Models: 3

## Browse
- Models Markdown: https://aistackregistry.com/snapshots/2026-06-01/models/index.md
- Models text: https://aistackregistry.com/snapshots/2026-06-01/models/index.txt
- Models JSON: https://aistackregistry.com/snapshots/2026-06-01/models/index.json
- Providers Markdown: https://aistackregistry.com/snapshots/2026-06-01/models/providers/index.md
- Providers text: https://aistackregistry.com/snapshots/2026-06-01/models/providers/index.txt
- Providers JSON: https://aistackregistry.com/snapshots/2026-06-01/models/providers/index.json

## Catalog
- openai gpt-5.4. Bundle: https://aistackregistry.com/snapshots/2026-06-01/models/openai/gpt-5.4/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-01/models/openai/gpt-5.4/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-01/models/openai/gpt-5.4/recommended_defaults.json.
- openai gpt-5.5. Bundle: https://aistackregistry.com/snapshots/2026-06-01/models/openai/gpt-5.5/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-01/models/openai/gpt-5.5/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-01/models/openai/gpt-5.5/recommended_defaults.json.
- openai gpt-5.5-pro. Bundle: https://aistackregistry.com/snapshots/2026-06-01/models/openai/gpt-5.5-pro/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-01/models/openai/gpt-5.5-pro/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-01/models/openai/gpt-5.5-pro/recommended_defaults.json.

## Notes
- This provider index is the human-readable drill-down for one provider's catalog.
- Follow model bundle URLs from this index; do not infer sibling artifact paths.