Hackernews posts about Pgvector

Pgvector is an open-source library that enables efficient storage and querying of vector data in PostgreSQL databases.

1. Three Memory Architectures for AI Companions: Pgvector, Scratchpad, Filesystem (www.emotionmachine.com)
   4 points by sarbak 14 days ago | 3 comments
2. Show HN: 81% on LongMemEval with Pgvector and BM25 – Memory for Claude Code (github.com)
   2 points by m4cd4r4 11 days ago | 2 comments
3. Build a Sovereign Local AI Stack: Ollama and Open WebUI and Pgvector 2026
   1 points by anju-kushwaha 7 days ago | discuss
4. Show HN: Postgres extension for BM25 relevance-ranked full-text search (github.com)
   203 points by tjgreen 20 days ago | 56 comments
5. Show HN: DuckDB community extension for prefiltered HNSW using ACORN-1 (github.com)
   90 points by cigrainger 26 days ago | 5 comments
6. Show HN: Breathe-Memory – Associative memory injection for LLMs (not RAG) (github.com)
   6 points by mvyshnyvetska 25 days ago | 1 comments
7. Show HN: OpenFable – Open-source RAG engine using tree-structured indexes (github.com)
   5 points by alainbrown 12 days ago | discuss
8. Show HN: Memv – Memory for AI Agents (github.com)
   4 points by brgsk 21 days ago | 3 comments
9. Show HN: Vectree – Learn complex concepts through AI-generated interactive SVGs (vectree.io)
   2 points by functional_dev 26 days ago | 3 comments
10. I built this after months of using agents daily and hitting the same wall
    2 points by semantic-api 18 days ago | 2 comments
11. Show HN: Bridging People Together via Podcasts
    2 points by fcpguru 20 days ago | discuss
12. Show HN: A tool to create and evaluate document processing pipelines for RAG (ragbandit.com)
    2 points by martimchaves 24 days ago | discuss
13. Hybrid search (BM25/vectors/RRF) barely improved over pure semantic
    1 points by pjmalandrino 7 days ago | discuss
14. Show HN: Smol Invoice Agent, invoice processor that learns from your corrections (smolinvoiceagent.com)
    1 points by martimchaves 12 days ago | discuss
15. Show HN: Sfsym – Export Apple SF Symbols as Vector SVG/PDF/PNG (github.com)
    26 points by olliewagner 2 days ago | 9 comments
16. Show HN: A memory database that forgets, consolidates, and detects contradiction (github.com)
    47 points by pranabsarkar 6 days ago | 33 comments
17. Tell HN: Security Incident at Porter (YC S20)
    7 points by leetrout 2 days ago | discuss
18. I built a real-time AR plane spotter, here's the math that makes it work
    5 points by ananddhruv29 1 day ago | 3 comments
19. Show HN: Modular – drop AI features into your app with two function calls (modular.run)
    5 points by modular_dev about 9 hours ago | 1 comments
20. Rust Threads on the GPU (www.vectorware.com)
    121 points by PaulHoule 11 days ago | 47 comments
21. Show HN: PGlite – in-browser WASM Postgres with pgvector and live sync (pglite.dev)
    509 points by samwillis over 1 year ago | 108 comments
22. The Case Against PGVector (alex-jacobs.com)
    381 points by tacoooooooo 6 months ago | 137 comments
23. Postgres extension complements pgvector for performance and scale (github.com)
    143 points by flyaway123 4 months ago | 25 comments
24. Pgvector Is Now Faster Than Pinecone at 75% Less Cost (www.timescale.com)
    127 points by sh_tomer almost 2 years ago | 9 comments
25. Sharding Pgvector (pgdog.dev)
    86 points by levkk about 1 year ago | 10 comments
26. Understanding Pgvector's HNSW Index Storage in Postgres (lantern.dev)
    77 points by varik77 over 1 year ago | 11 comments
27. An experiment of adding recommendation engine to your app using pgvector search (silk.us)
    76 points by tanelpoder about 1 year ago | 7 comments
28. PGVector's Missing Features (trieve.ai)
    51 points by skeptrune over 1 year ago | 11 comments
29. Hybrid Search with PostgreSQL and Pgvector (jkatz05.com)
    35 points by samwillis over 1 year ago | 1 comments
30. The 150x PGVector Speedup (jkatz05.com)
    35 points by sh_tomer almost 2 years ago | 1 comments
31. Pgvectorscale: Making PostgreSQL a Better AI Database (www.timescale.com)
    14 points by MogwaiAllOnYou almost 2 years ago | discuss
32. Pgvector Is Now Faster Than Pinecone (twitter.com)
    11 points by obiefernandez almost 2 years ago | 1 comments
33. VectorChord 1.0: Vector Search on Postgres, 100x Faster Indexing than pgvector (blog.vectorchord.ai)
    6 points by emschwartz 5 months ago | 1 comments
34. Show HN: Semantic search over Hacker News, built on pgvector (ask.rivestack.io)
    5 points by stranger90 about 2 months ago | 2 comments
35. Show HN: dbSurface – A Developer Tool for pgvector (github.com)
    5 points by z-gort 11 months ago | 1 comments
36. Making GitHub Issues Search Suck Less with CloudQuery, PgVector and OpenAI (www.cloudquery.io)
    5 points by maloga 7 months ago | discuss
37. Create Index Externally: Offloading Pgvector Indexing from Postgres (lantern.dev)
    5 points by diqi over 1 year ago | discuss
38. Show HN: Open-source RAG server with retrieval visualization (Postgres+pgvector) (github.com)
    4 points by northerndev 5 months ago | 1 comments
39. Pgvector 0.8.0 Released (www.postgresql.org)
    4 points by amalinovic over 1 year ago | discuss
40. Mass document analytics platform based on LlamaIndex, Pgvector, React and Django (github.com)
    4 points by 9woc almost 2 years ago | discuss
41. Pgvectorscale: A complement to pgvector for high performance (github.com)
    4 points by tosh almost 2 years ago | discuss
42. Ask HN: Interest in a pgvector-based RAG system library?
    3 points by nhirschfeld about 1 year ago | 2 comments
43. Show HN: LogiCart – Intent-based shopping agent built with pgvector (logicart.ai)
    3 points by ahmedm24 5 months ago | 1 comments
44. We Have Pgvector at Home (theconsensus.dev)
    3 points by zdw about 2 months ago | discuss
45. Multi-threaded LLM agent with async "subconscious" loop and pgvector memory (ivanhonis.github.io)
    3 points by nDot_io 5 months ago | discuss
46. Show HN: I built an SDK for building an AI RAG app with Supabase and pgvector (github.com)
    3 points by taishikato 9 months ago | discuss
47. Show HN: Quoth – Semantic search for quotes using pgvector and OpenAI embeddings (quoth.app)
    3 points by nickdaze 10 months ago | discuss
48. Vector indexes, large server: MariaDB, Qdrant and pgvector (smalldatum.blogspot.com)
    3 points by zX41ZdbW about 1 year ago | discuss
49. How Sentry Uses Embeddings and PGVector to Prevent Millions of Noisy Alerts (blog.sentry.io)
    3 points by jferge about 1 year ago | discuss
50. Pgvector 0.8.0 released (early look at new features) (www.thenile.dev)
    3 points by gwen-shapira over 1 year ago | discuss