Catalog/ № 062
Weaviate
shipOpen-source vector database with hybrid search and modular ML integrations.
weaviate.ioVerified 2026-08-15
ledger entry · observed by @whysanesanders
Feature-richest open vector DB: hybrid BM25+vector search, multi-tenancy and solid clients. Self-hosts cleanly; the managed cloud is optional, not a toll booth.
Known limitations
- Memory-hungry at scale.
- Operational complexity grows with sharding.
- Docs span too many product versions.
Facts
- pricing
- freemium1
- price note
- self-host free; cloud free tier, Flex from $45/mo
- free tier
- yes
- open source
- yes
- api
- yes
- self-host
- yes
- category
- data
Sources
If we can't show the source, we don't print the number.
Same shelf — data
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NotebookLM
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Google's research notebook — grounded Q&A and audio overviews over your own sources.
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