Serving Data 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

Daily Active UsersOrder VolumeBasket SizeNew CustomersRepeat OrdersRevenue per UserCart ConversionsPayment Success

[ADOPTERS AND CONTRIBUTORS]

293
Contributors
12M+
Downloads
5.5K
Slack Members

[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()

# Retrieve your documents using vector similarity search for RAG
features = store.retrieve_online_documents(
    features=[
        "corpus:document_id",
        "corpus:chunk_id",
        "corpus:chunk_text",
        "corpus:chunk_embedding",
    ],
    query="What is the biggest city in the USA?"
).to_dict()

[GET STARTED]

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Docs

See our comprehensive documentation and start building with Feast today

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