Fennel

★ 3/5 · Infrastructure

Realtime feature store built by ex-Meta team, acquired by Databricks in April 2025.

Pros

Rust-powered with native Python/Pandas support
ex-Facebook/Google founding team
real-time and batch feature engineering
integrated into Databricks platform post-acquisition

Cons

No longer independently available or marketed as standalone product
acquisition by Databricks reduces product differentiation
fennel.ai domain now redirects to domain marketplace

Cost

No independent pricing (acquired; pricing through Databricks platform) (unverified)

Verdict

No longer independently available; existing customers should migrate to Databricks Feature Engineering capabilities.