# AI Stack Registry - Models Index

- Markdown: https://aistackregistry.com/snapshots/2026-06-02/models/index.md
- Text: https://aistackregistry.com/snapshots/2026-06-02/models/index.txt
- JSON: https://aistackregistry.com/snapshots/2026-06-02/models/index.json
- Last built: 2026-06-02T03:21:20+00:00
- Providers: 4
- Models: 13

## Browse
- Providers Markdown: https://aistackregistry.com/snapshots/2026-06-02/models/providers/index.md
- Providers text: https://aistackregistry.com/snapshots/2026-06-02/models/providers/index.txt
- Providers JSON: https://aistackregistry.com/snapshots/2026-06-02/models/providers/index.json

## Catalog
- anthropic: 4 models. JSON: https://aistackregistry.com/snapshots/2026-06-02/models/anthropic/index.json. Markdown: https://aistackregistry.com/snapshots/2026-06-02/models/anthropic/index.md. Text: https://aistackregistry.com/snapshots/2026-06-02/models/anthropic/index.txt.
- anthropic claude-opus-4-6. Bundle: https://aistackregistry.com/snapshots/2026-06-02/models/anthropic/claude-opus-4-6/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-02/models/anthropic/claude-opus-4-6/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-02/models/anthropic/claude-opus-4-6/recommended_defaults.json.
- anthropic claude-opus-4-7. Bundle: https://aistackregistry.com/snapshots/2026-06-02/models/anthropic/claude-opus-4-7/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-02/models/anthropic/claude-opus-4-7/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-02/models/anthropic/claude-opus-4-7/recommended_defaults.json.
- anthropic claude-opus-4-8. Bundle: https://aistackregistry.com/snapshots/2026-06-02/models/anthropic/claude-opus-4-8/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-02/models/anthropic/claude-opus-4-8/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-02/models/anthropic/claude-opus-4-8/recommended_defaults.json.
- anthropic claude-sonnet-4-6. Bundle: https://aistackregistry.com/snapshots/2026-06-02/models/anthropic/claude-sonnet-4-6/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-02/models/anthropic/claude-sonnet-4-6/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-02/models/anthropic/claude-sonnet-4-6/recommended_defaults.json.
- google: 4 models. JSON: https://aistackregistry.com/snapshots/2026-06-02/models/google/index.json. Markdown: https://aistackregistry.com/snapshots/2026-06-02/models/google/index.md. Text: https://aistackregistry.com/snapshots/2026-06-02/models/google/index.txt.
- google gemini-3.1-flash-image. Bundle: https://aistackregistry.com/snapshots/2026-06-02/models/google/gemini-3.1-flash-image/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-02/models/google/gemini-3.1-flash-image/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-02/models/google/gemini-3.1-flash-image/recommended_defaults.json.
- google gemini-3.1-flash-lite. Bundle: https://aistackregistry.com/snapshots/2026-06-02/models/google/gemini-3.1-flash-lite/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-02/models/google/gemini-3.1-flash-lite/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-02/models/google/gemini-3.1-flash-lite/recommended_defaults.json.
- google gemini-3.1-pro-preview. Bundle: https://aistackregistry.com/snapshots/2026-06-02/models/google/gemini-3.1-pro-preview/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-02/models/google/gemini-3.1-pro-preview/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-02/models/google/gemini-3.1-pro-preview/recommended_defaults.json.
- google gemini-3.5-flash. Bundle: https://aistackregistry.com/snapshots/2026-06-02/models/google/gemini-3.5-flash/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-02/models/google/gemini-3.5-flash/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-02/models/google/gemini-3.5-flash/recommended_defaults.json.
- openai: 3 models. JSON: https://aistackregistry.com/snapshots/2026-06-02/models/openai/index.json. Markdown: https://aistackregistry.com/snapshots/2026-06-02/models/openai/index.md. Text: https://aistackregistry.com/snapshots/2026-06-02/models/openai/index.txt.
- openai gpt-5.4. Bundle: https://aistackregistry.com/snapshots/2026-06-02/models/openai/gpt-5.4/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-02/models/openai/gpt-5.4/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-02/models/openai/gpt-5.4/recommended_defaults.json.
- openai gpt-5.5. Bundle: https://aistackregistry.com/snapshots/2026-06-02/models/openai/gpt-5.5/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-02/models/openai/gpt-5.5/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-02/models/openai/gpt-5.5/recommended_defaults.json.
- openai gpt-5.5-pro. Bundle: https://aistackregistry.com/snapshots/2026-06-02/models/openai/gpt-5.5-pro/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-02/models/openai/gpt-5.5-pro/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-02/models/openai/gpt-5.5-pro/recommended_defaults.json.
- xai: 2 models. JSON: https://aistackregistry.com/snapshots/2026-06-02/models/xai/index.json. Markdown: https://aistackregistry.com/snapshots/2026-06-02/models/xai/index.md. Text: https://aistackregistry.com/snapshots/2026-06-02/models/xai/index.txt.
- xai grok-4.3. Bundle: https://aistackregistry.com/snapshots/2026-06-02/models/xai/grok-4.3/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-02/models/xai/grok-4.3/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-02/models/xai/grok-4.3/recommended_defaults.json.
- xai grok-build-0.1. Bundle: https://aistackregistry.com/snapshots/2026-06-02/models/xai/grok-build-0.1/model.json. Spec: https://aistackregistry.com/snapshots/2026-06-02/models/xai/grok-build-0.1/spec.json. Defaults: https://aistackregistry.com/snapshots/2026-06-02/models/xai/grok-build-0.1/recommended_defaults.json.

## Notes
- Start from this snapshot-local index JSON and follow returned URLs directly.
- Use Markdown or text when a person needs the full catalog without parsing JSON.