# aistackregistry
as_of: 2026-03-11T17:18:35+00:00

## Machine entry contract
- https://aistackregistry.com/snapshots/2026-03-11/index.json
- https://aistackregistry.com/snapshots/2026-03-11/models/index.json
- https://aistackregistry.com/snapshots/2026-03-11/models/providers/index.json
- https://aistackregistry.com/snapshots/2026-03-11/ecosystems/index.json

## Human browse path
- https://aistackregistry.com/snapshots/2026-03-11/models/index.md
- https://aistackregistry.com/snapshots/2026-03-11/models/index.txt
- https://aistackregistry.com/snapshots/2026-03-11/models/providers/index.md
- https://aistackregistry.com/snapshots/2026-03-11/models/providers/index.txt

## Catalog page variants

- https://aistackregistry.com/snapshots/2026-03-11/
- https://aistackregistry.com/snapshots/2026-03-11/index.md
- https://aistackregistry.com/snapshots/2026-03-11/index.txt
- https://aistackregistry.com/snapshots/2026-03-11/index.json

## Primary Artifacts
- https://aistackregistry.com/snapshots/2026-03-11/python/constraints/3.14.3/constraints.txt
- https://aistackregistry.com/snapshots/2026-03-11/python/constraints/3.14.3/constraints.json
- https://aistackregistry.com/snapshots/2026-03-11/python/constraints/3.14.3/compat_report.json

## Catalog
- provider=anthropic models=2 canonical=https://aistackregistry.com/snapshots/2026-03-11/models/anthropic/index.json browse_markdown=https://aistackregistry.com/snapshots/2026-03-11/models/anthropic/index.md browse_text=https://aistackregistry.com/snapshots/2026-03-11/models/anthropic/index.txt
- provider=anthropic model_id=claude-opus-4-6 canonical=https://aistackregistry.com/snapshots/2026-03-11/models/anthropic/claude-opus-4-6/model.json spec=https://aistackregistry.com/snapshots/2026-03-11/models/anthropic/claude-opus-4-6/spec.json defaults=https://aistackregistry.com/snapshots/2026-03-11/models/anthropic/claude-opus-4-6/recommended_defaults.json
- provider=anthropic model_id=claude-sonnet-4-6 canonical=https://aistackregistry.com/snapshots/2026-03-11/models/anthropic/claude-sonnet-4-6/model.json spec=https://aistackregistry.com/snapshots/2026-03-11/models/anthropic/claude-sonnet-4-6/spec.json defaults=https://aistackregistry.com/snapshots/2026-03-11/models/anthropic/claude-sonnet-4-6/recommended_defaults.json
- provider=google models=3 canonical=https://aistackregistry.com/snapshots/2026-03-11/models/google/index.json browse_markdown=https://aistackregistry.com/snapshots/2026-03-11/models/google/index.md browse_text=https://aistackregistry.com/snapshots/2026-03-11/models/google/index.txt
- provider=google model_id=gemini-3.1-flash-image-preview canonical=https://aistackregistry.com/snapshots/2026-03-11/models/google/gemini-3.1-flash-image-preview/model.json spec=https://aistackregistry.com/snapshots/2026-03-11/models/google/gemini-3.1-flash-image-preview/spec.json defaults=https://aistackregistry.com/snapshots/2026-03-11/models/google/gemini-3.1-flash-image-preview/recommended_defaults.json
- provider=google model_id=gemini-3.1-flash-lite-preview canonical=https://aistackregistry.com/snapshots/2026-03-11/models/google/gemini-3.1-flash-lite-preview/model.json spec=https://aistackregistry.com/snapshots/2026-03-11/models/google/gemini-3.1-flash-lite-preview/spec.json defaults=https://aistackregistry.com/snapshots/2026-03-11/models/google/gemini-3.1-flash-lite-preview/recommended_defaults.json
- provider=google model_id=gemini-3.1-pro-preview canonical=https://aistackregistry.com/snapshots/2026-03-11/models/google/gemini-3.1-pro-preview/model.json spec=https://aistackregistry.com/snapshots/2026-03-11/models/google/gemini-3.1-pro-preview/spec.json defaults=https://aistackregistry.com/snapshots/2026-03-11/models/google/gemini-3.1-pro-preview/recommended_defaults.json
- provider=openai models=1 canonical=https://aistackregistry.com/snapshots/2026-03-11/models/openai/index.json browse_markdown=https://aistackregistry.com/snapshots/2026-03-11/models/openai/index.md browse_text=https://aistackregistry.com/snapshots/2026-03-11/models/openai/index.txt
- provider=openai model_id=gpt-5.4 canonical=https://aistackregistry.com/snapshots/2026-03-11/models/openai/gpt-5.4/model.json spec=https://aistackregistry.com/snapshots/2026-03-11/models/openai/gpt-5.4/spec.json defaults=https://aistackregistry.com/snapshots/2026-03-11/models/openai/gpt-5.4/recommended_defaults.json
- provider=xai models=2 canonical=https://aistackregistry.com/snapshots/2026-03-11/models/xai/index.json browse_markdown=https://aistackregistry.com/snapshots/2026-03-11/models/xai/index.md browse_text=https://aistackregistry.com/snapshots/2026-03-11/models/xai/index.txt
- provider=xai model_id=grok-4-1-fast-non-reasoning canonical=https://aistackregistry.com/snapshots/2026-03-11/models/xai/grok-4-1-fast-non-reasoning/model.json spec=https://aistackregistry.com/snapshots/2026-03-11/models/xai/grok-4-1-fast-non-reasoning/spec.json defaults=https://aistackregistry.com/snapshots/2026-03-11/models/xai/grok-4-1-fast-non-reasoning/recommended_defaults.json
- provider=xai model_id=grok-4-1-fast-reasoning canonical=https://aistackregistry.com/snapshots/2026-03-11/models/xai/grok-4-1-fast-reasoning/model.json spec=https://aistackregistry.com/snapshots/2026-03-11/models/xai/grok-4-1-fast-reasoning/spec.json defaults=https://aistackregistry.com/snapshots/2026-03-11/models/xai/grok-4-1-fast-reasoning/recommended_defaults.json