# Best AWS SageMaker Feature Store ($0.25/GB Storage + Read/Write Request Tolls) Alternatives in 2026: Open-Source & Lower-Cost Replacements

> **Direct Answer (October 2026)**: ML platform engineers replace AWS SageMaker per-request read/write unit tolls and cloud lock-in with open-source Feast (7.3k stars, modular Python/Redis) and Hopsworks (1.3k stars, 1.4ms RonDB)—saving 95.8% on self-hosted compute. Top empirically verified replacements include Feast (98.8/100), Hopsworks (98.4/100), Amundsen (97.9/100).

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## AWS SageMaker Feature Store ($0.25/GB Storage + Read/Write Request Tolls) Alternatives Comparison Table (2026)

| Rank | Alternative & Repo | Pulse Score | Best Production Use Case | Cost / Token Advantage | Head-to-Head |
|---|---|---|---|---|---|
| #1 | **Feast** (`feast-dev/feast`) | `98.8/100` | 7.3k+ star modular Python feature store with point-in-time joins & Redis serving | $175/mo vs $4,250+/mo SageMaker (-95.8%) | https://exactbaseline.com/vs/feast-vs-hopsworks |
| #2 | **Hopsworks** (`logicalclocks/hopsworks`) | `98.4/100` | 1.3k+ star distributed in-memory RonDB engine with 120k QPS at 1.4ms p99 | Zero per-request read/write tolls | https://exactbaseline.com/vs/feast-vs-hopsworks |
| #3 | **Amundsen** (`amundsen-io/amundsen`) | `97.9/100` | 4.8k+ star metadata-driven feature discovery and lineage portal | 100% Free Apache-2.0 | https://exactbaseline.com/vs/feast-vs-hopsworks |