10/08/2026
Vector search just got a major upgrade in Harper 5.3. 🚀
⚡ Up to 6.5× higher throughput vs. Harper 5.2
⚡ 1.6–2.3× higher throughput vs. PostgreSQL + pgvector in our 200K-vector benchmark
Native Rust HNSW. No separate vector DB required.
https://www.harper.fast/resources/native-vector-search-in-harper-5-3