Feature Serving for Production AI

Feast is an open source feature store that delivers structured data to AI and LLM applications at high scale during training and inference

[ADOPTERS AND CONTRIBUTORS]

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[USE CASES]

SOLVE REAL PROBLEMS

Real-Time Recommendations

Serve personalized product and content recommendations with real-time user interaction features

Fraud Detection

Detect fraudulent transactions using historical patterns and real-time behavioral features

Risk Scoring

Calculate risk scores for financial services using consistent features across training and inference

Customer Segmentation

Create dynamic customer segments using consistent feature definitions across teams

[INTEGRATIONS]

CONNECT WITH YOUR STACK

OFFLINE STORES

ONLINE STORES

[GET STARTED]

START SERVING IN SECONDS

from feast import FeatureStore

# Initialize the feature store
store = FeatureStore(repo_path="feature_repo")

# Get features for training
training_df = store.get_historical_features(
    entity_df=training_entities,
    features=[
        "customer_stats:daily_transactions",
        "customer_stats:lifetime_value",
        "product_features:price"
    ]
).to_df()

# Get online features for inference
features = store.get_online_features(
    features=[
        "customer_stats:daily_transactions",
        "customer_stats:lifetime_value",
        "product_features:price"
    ],
    entity_rows=[{"customer_id": "C123", "product_id": "P456"}]
).to_dict()

[GET STARTED]

START BUILDING TODAY

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Docs

See our comprehensive documentation and start building with Feast today

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