Chrome AI Models

Following is the complete list of machine learning models in Chrome many of which are on your device. They are located in your User Data folder and you can easily check to see which ones you have as they are all in numbered folders.

C:\Users\{YOUR_USERNAME}\AppData\Local\Google\Chrome\User Data\optimization_guide_model_store

// The scenarios for which the optimization guide has models for.
enum OptimizationTarget {
reserved 14;

OPTIMIZATION_TARGET_UNKNOWN = 0;

// Should only be applied when the page load is predicted to be painful.
OPTIMIZATION_TARGET_PAINFUL_PAGE_LOAD = 1;

// Target for supplying the language detection model via the model downloader.
OPTIMIZATION_TARGET_LANGUAGE_DETECTION = 2;

// Target for determining topics present on a page.
OPTIMIZATION_TARGET_PAGE_TOPICS = 3;

// Target for segmentation: New tab page user.
OPTIMIZATION_TARGET_SEGMENTATION_NEW_TAB = 4;

// Target for segmentation: Share user.
OPTIMIZATION_TARGET_SEGMENTATION_SHARE = 5;

// Target for segmentation: Voice user.
OPTIMIZATION_TARGET_SEGMENTATION_VOICE = 6;

// Target for model validation.
OPTIMIZATION_TARGET_MODEL_VALIDATION = 7;

// Target for determining entities present on a page.
OPTIMIZATION_TARGET_PAGE_ENTITIES = 8;

// Target for Chrome Permissions Suggestions Service: Notification permission.
OPTIMIZATION_TARGET_NOTIFICATION_PERMISSION_PREDICTIONS = 9;

// Target that enables data collection on client side for various experiments.
OPTIMIZATION_TARGET_SEGMENTATION_DUMMY = 10;

// Target for segmentation: Chrome Android Start user.
OPTIMIZATION_TARGET_SEGMENTATION_CHROME_START_ANDROID = 11;

// Target for segmentation: Query Tiles user.
OPTIMIZATION_TARGET_SEGMENTATION_QUERY_TILES = 12;

// Target for determining the UI visibility of a page.
OPTIMIZATION_TARGET_PAGE_VISIBILITY = 13;

// Target for determining topics present on a page.
// TODO(crbug.com/40204121): Remove PAGE_TOPICS in favor of this target.
OPTIMIZATION_TARGET_PAGE_TOPICS_V2 = 15;

// Target for segmentation: Determine users with low engagement with chrome.
OPTIMIZATION_TARGET_SEGMENTATION_CHROME_LOW_USER_ENGAGEMENT = 16;

// Target for segmentation: Determine users who prefer to us
e Feed.
OPTIMIZATION_TARGET_SEGMENTATION_FEED_USER = 17;

// Target for segmentation: Determine whether price tracking should be shown
// as a contextual page action.
OPTIMIZATION_TARGET_CONTEXTUAL_PAGE_ACTION_PRICE_TRACKING = 18;

// Target for smart text selection and entity extraction.
OPTIMIZATION_TARGET_TEXT_CLASSIFIER = 19;

// Target for Chrome Permissions Suggestions Service: Geolocation permission.
OPTIMIZATION_TARGET_GEOLOCATION_PERMISSION_PREDICTIONS = 20;

// Target for segmentation: Determine users who are interested in shopping.
OPTIMIZATION_TARGET_SEGMENTATION_SHOPPING_USER = 21;

// Target for segmentation: Chrome Android Start user V2.
OPTIMIZATION_TARGET_SEGMENTATION_CHROME_START_ANDROID_V2 = 22;

// Target for segmentation: Determine users who use search.
OPTIMIZATION_TARGET_SEGMENTATION_SEARCH_USER = 23;

// Target for Omnibox on device tail suggest.
OPTIMIZATION_TARGET_OMNIBOX_ON_DEVICE_TAIL_SUGGEST = 24;

// Target for client side phishing
OPTIMIZATION_TARGET_CLIENT_SIDE_PHISHING = 25;

// Target for Omnibox URL suggestion scoring.
OPTIMIZATION_TARGET_OMNIBOX_URL_SCORING = 26;

// Target for segmentation: Segment of users who switched devices.
OPTIMIZATION_TARGET_SEGMENTATION_DEVICE_SWITCHER = 27;

// Target for segmentation: Adaptive toolbar button.
OPTIMIZATION_TARGET_SEGMENTATION_ADAPTIVE_TOOLBAR = 28;

// Target for segmentation: Determine users who are tabletproductivity users.
OPTIMIZATION_TARGET_SEGMENTATION_TABLET_PRODUCTIVITY_USER = 29;

// Target for client side phishing image embedding model.
OPTIMIZATION_TARGET_CLIENT_SIDE_PHISHING_IMAGE_EMBEDDER = 30;

// Target for ranking clusters that have passed minimal filtering for the New
// Tab Page History Clusters module.
OPTIMIZATION_TARGET_NEW_TAB_PAGE_HISTORY_CLUSTERS_MODULE_RANKING = 31;

// Target for web app install promotion.
OPTIMIZATION_TARGET_WEB_APP_INSTALLATION_PROMO = 32;

// Target for generic text embedder model.
OPTIMIZATION_TARGET_TEXT_EMBEDDER = 33;

// Target for classifying and extracting search images on web page.
OPTIMIZATION_TARGET_VISUAL_SEARCH_CLASSIFICATION = 34;

// Target for classifying users to target bottom toolbar.
OPTIMIZATION_TARGET_SEGMENTATION_BOTTOM_TOOLBAR = 35;

// Target for Autofill field type classification model.
OPTIMIZATION_TARGET_AUTOFILL_FIELD_CLASSIFICATION = 36;

// Target for ranking ios start page modules.
OPTIMIZATION_TARGET_SEGMENTATION_IOS_MODULE_RANKER = 37;

// Target for segmentation: Determine what modules a user should see on their
// Desktop New Tab Page.
OPTIMIZATION_TARGET_SEGMENTATION_DESKTOP_NTP_MODULE = 38;

// Target for predicting candidate links for speculation-rule based
// preloading.
OPTIMIZATION_TARGET_PRELOADING_HEURISTICS = 39;

// Target for determining text safety.
OPTIMIZATION_TARGET_TEXT_SAFETY = 40;

// Target for ranking Android home modules.
OPTIMIZATION_TARGET_SEGMENTATION_ANDROID_HOME_MODULE_RANKER = 41;

// Target to support running Compose On-Device.
OPTIMIZATION_TARGET_COMPOSE = 42;

// Target for generating passage embeddings.
OPTIMIZATION_TARGET_PASSAGE_EMBEDDER = 43;

// Target for breaking up sentences into phrases.
OPTIMIZATION_TARGET_PHRASE_SEGMENTATION = 44;

// Target to determine whether to show promotion for Compose.
OPTIMIZATION_TARGET_SEGMENTATION_COMPOSE_PROMOTION = 45;

// Target for ranking URL visits used in visit resumption features.
OPTIMIZATION_TARGET_URL_VISIT_RESUMPTION_RANKER = 46;

// Target for background segmentation of video frames.
OPTIMIZATION_TARGET_CAMERA_BACKGROUND_SEGMENTATION = 47;

// Target for History search model.
OPTIMIZATION_TARGET_MODEL_EXECUTION_FEATURE_HISTORY_SEARCH = 48;

// Target for Prompt API feature config.
OPTIMIZATION_TARGET_MODEL_EXECUTION_FEATURE_PROMPT_API = 49;

// Target for metrics based segmentation clustering.
OPTIMIZATION_TARGET_SEGMENTATION_METRICS_CLUSTERING = 50;

// Target for Summarize API feature config.
OPTIMIZATION_TARGET_MODEL_EXECUTION_FEATURE_SUMMARIZE = 51;

// Target for Password Manager form classification model.
OPTIMIZATION_TARGET_PASSWORD_MANAGER_FORM_CLASSIFICATION = 52;

// Target for model classifying notification content as suspicious.
OPTIMIZATION_TARGET_NOTIFICATION_CONTENT_DETECTION = 53;

// Target for History query intent model.
OPTIMIZATION_TARGET_MODEL_EXECUTION_FEATURE_HISTORY_QUERY_INTENT = 54;
}