{
  "as_of": "2026-03-14T03:04:14+00:00",
  "format_version": "0.2.0",
  "lookup": {
    "index": "https://aistackregistry.com/snapshots/2026-03-14/models/index.json",
    "navigation": {
      "dereference_only": true,
      "rule": "Use artifact URLs from index payloads; do not infer sibling paths."
    },
    "providers": {
      "anthropic": "https://aistackregistry.com/snapshots/2026-03-14/models/anthropic/index.json",
      "google": "https://aistackregistry.com/snapshots/2026-03-14/models/google/index.json",
      "openai": "https://aistackregistry.com/snapshots/2026-03-14/models/openai/index.json",
      "xai": "https://aistackregistry.com/snapshots/2026-03-14/models/xai/index.json"
    },
    "providers_index": "https://aistackregistry.com/snapshots/2026-03-14/models/providers/index.json",
    "uri_templates": {
      "defaults": "https://aistackregistry.com/snapshots/2026-03-14/models/{provider}/{model_id}/recommended_defaults.json",
      "model_bundle": "https://aistackregistry.com/snapshots/2026-03-14/models/{provider}/{model_id}/model.json",
      "provider_index": "https://aistackregistry.com/snapshots/2026-03-14/models/{provider}/index.json",
      "spec": "https://aistackregistry.com/snapshots/2026-03-14/models/{provider}/{model_id}/spec.json"
    }
  },
  "models": {
    "anthropic/claude-opus-4-6": {
      "defaults": "https://aistackregistry.com/snapshots/2026-03-14/models/anthropic/claude-opus-4-6/recommended_defaults.json",
      "docs": {
        "api_overview_url": "https://platform.claude.com/docs/en/api/overview",
        "context_windows_url": "https://platform.claude.com/docs/en/build-with-claude/context-windows.md",
        "extended_thinking_url": "https://platform.claude.com/docs/en/build-with-claude/extended-thinking",
        "model_retrieve_api_docs_url": "https://platform.claude.com/docs/en/api/beta/models/retrieve",
        "models_list_api_docs_url": "https://platform.claude.com/docs/en/api/beta/models/list",
        "models_overview_url": "https://platform.claude.com/docs/en/about-claude/models/overview.md",
        "product_page_url": "https://www.anthropic.com/claude/opus",
        "release_notes_url": "https://www.anthropic.com/news/claude-opus-4-6"
      },
      "spec": "https://aistackregistry.com/snapshots/2026-03-14/models/anthropic/claude-opus-4-6/spec.json"
    },
    "anthropic/claude-sonnet-4-6": {
      "defaults": "https://aistackregistry.com/snapshots/2026-03-14/models/anthropic/claude-sonnet-4-6/recommended_defaults.json",
      "docs": {
        "api_overview_url": "https://platform.claude.com/docs/en/api/overview",
        "context_windows_url": "https://platform.claude.com/docs/en/build-with-claude/context-windows.md",
        "extended_thinking_url": "https://platform.claude.com/docs/en/build-with-claude/extended-thinking",
        "model_retrieve_api_docs_url": "https://platform.claude.com/docs/en/api/beta/models/retrieve",
        "models_list_api_docs_url": "https://platform.claude.com/docs/en/api/beta/models/list",
        "models_overview_url": "https://platform.claude.com/docs/en/about-claude/models/overview.md",
        "product_page_url": "https://www.anthropic.com/claude/sonnet",
        "release_notes_url": "https://www.anthropic.com/news/claude-sonnet-4-6"
      },
      "spec": "https://aistackregistry.com/snapshots/2026-03-14/models/anthropic/claude-sonnet-4-6/spec.json"
    },
    "google/gemini-3.1-flash-image-preview": {
      "defaults": "https://aistackregistry.com/snapshots/2026-03-14/models/google/gemini-3.1-flash-image-preview/recommended_defaults.json",
      "docs": {
        "api_models_docs_url": "https://ai.google.dev/api/models",
        "changelog_url": "https://ai.google.dev/gemini-api/docs/changelog",
        "image_generation_docs_url": "https://ai.google.dev/gemini-api/docs/image-generation",
        "model_page_url": "https://ai.google.dev/gemini-api/docs/models/gemini-3.1-flash-image-preview",
        "tokens_docs_url": "https://ai.google.dev/gemini-api/docs/tokens"
      },
      "spec": "https://aistackregistry.com/snapshots/2026-03-14/models/google/gemini-3.1-flash-image-preview/spec.json"
    },
    "google/gemini-3.1-flash-lite-preview": {
      "defaults": "https://aistackregistry.com/snapshots/2026-03-14/models/google/gemini-3.1-flash-lite-preview/recommended_defaults.json",
      "docs": {
        "api_models_docs_url": "https://ai.google.dev/api/models",
        "changelog_url": "https://ai.google.dev/gemini-api/docs/changelog",
        "gemini_3_guide_url": "https://ai.google.dev/gemini-api/docs/gemini-3",
        "model_page_url": "https://ai.google.dev/gemini-api/docs/models/gemini-3.1-flash-lite-preview",
        "tokens_docs_url": "https://ai.google.dev/gemini-api/docs/tokens"
      },
      "spec": "https://aistackregistry.com/snapshots/2026-03-14/models/google/gemini-3.1-flash-lite-preview/spec.json"
    },
    "google/gemini-3.1-pro-preview": {
      "defaults": "https://aistackregistry.com/snapshots/2026-03-14/models/google/gemini-3.1-pro-preview/recommended_defaults.json",
      "docs": {
        "api_models_docs_url": "https://ai.google.dev/api/models",
        "changelog_url": "https://ai.google.dev/gemini-api/docs/changelog",
        "customtools_docs_url": "https://ai.google.dev/gemini-api/docs/models/gemini-3.1-pro-preview",
        "gemini_3_guide_url": "https://ai.google.dev/gemini-api/docs/gemini-3",
        "model_page_url": "https://ai.google.dev/gemini-api/docs/models/gemini-3.1-pro-preview",
        "tokens_docs_url": "https://ai.google.dev/gemini-api/docs/tokens"
      },
      "spec": "https://aistackregistry.com/snapshots/2026-03-14/models/google/gemini-3.1-pro-preview/spec.json"
    },
    "openai/gpt-5.4": {
      "defaults": "https://aistackregistry.com/snapshots/2026-03-14/models/openai/gpt-5.4/recommended_defaults.json",
      "docs": {
        "model_docs_url": "https://developers.openai.com/api/docs/models/gpt-5.4",
        "model_guide_url": "https://developers.openai.com/api/docs/guides/latest-model",
        "model_retrieve_docs_url": "https://developers.openai.com/api/reference/resources/models/methods/retrieve",
        "models_list_docs_url": "https://developers.openai.com/api/reference/resources/models/methods/list",
        "responses_get_docs_url": "https://developers.openai.com/api/reference/resources/responses/methods/retrieve"
      },
      "spec": "https://aistackregistry.com/snapshots/2026-03-14/models/openai/gpt-5.4/spec.json"
    },
    "xai/grok-4-1-fast-non-reasoning": {
      "defaults": "https://aistackregistry.com/snapshots/2026-03-14/models/xai/grok-4-1-fast-non-reasoning/recommended_defaults.json",
      "docs": {
        "api_reference_url": "https://docs.x.ai/developers/rest-api-reference/inference/models",
        "model_docs_url": "https://docs.x.ai/developers/models/grok-4-1-fast-non-reasoning",
        "models_get_docs_url": "https://docs.x.ai/developers/rest-api-reference/inference/models#get-model",
        "models_list_docs_url": "https://docs.x.ai/developers/rest-api-reference/inference/models#list-models",
        "models_overview_url": "https://docs.x.ai/developers/models"
      },
      "spec": "https://aistackregistry.com/snapshots/2026-03-14/models/xai/grok-4-1-fast-non-reasoning/spec.json"
    },
    "xai/grok-4-1-fast-reasoning": {
      "defaults": "https://aistackregistry.com/snapshots/2026-03-14/models/xai/grok-4-1-fast-reasoning/recommended_defaults.json",
      "docs": {
        "api_reference_url": "https://docs.x.ai/developers/rest-api-reference/inference/models",
        "model_docs_url": "https://docs.x.ai/developers/models/grok-4-1-fast-reasoning",
        "models_get_docs_url": "https://docs.x.ai/developers/rest-api-reference/inference/models#get-model",
        "models_list_docs_url": "https://docs.x.ai/developers/rest-api-reference/inference/models#list-models",
        "models_overview_url": "https://docs.x.ai/developers/models"
      },
      "spec": "https://aistackregistry.com/snapshots/2026-03-14/models/xai/grok-4-1-fast-reasoning/spec.json"
    }
  },
  "providers": {
    "anthropic": [
      "claude-opus-4-6",
      "claude-sonnet-4-6"
    ],
    "google": [
      "gemini-3.1-flash-image-preview",
      "gemini-3.1-flash-lite-preview",
      "gemini-3.1-pro-preview"
    ],
    "openai": [
      "gpt-5.4"
    ],
    "xai": [
      "grok-4-1-fast-non-reasoning",
      "grok-4-1-fast-reasoning"
    ]
  }
}