Someone told me Pinecone gets way too expensive at scale, so what are the best open source alternatives for storing vector embeddings?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Someone told me Pinecone gets way too expensive at scale, so what are the best open source alternatives for storing vector embeddings?
2 real searches · 1 real-search pass
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classifying 2 queries…
Searches and sources
ChatGPT2 real searches · gpt-6
Qdrant Milvus Weaviate pgvector official documentation open source deployment architecture 2026 Google ↗
best open source vector databases Qdrant Milvus Weaviate pgvector Chroma 2026 comparison self hosted scalability Google ↗
- qdrant.tech · qdrant.tech
- GitHub · github.com
- Overview · qdrant.tech
- Installation · qdrant.tech
- milvus.io · milvus.io
- GitHub · github.com
- Milvus Architecture Overview · milvus.io
- Best Open Source Vector Database in 2026 · drydock.si
- Best Self-Hosted Vector Databases (2026) · aquila.network
- Open-Source Vector Databases: Honest Comparison · itechguides.com
- weaviate.io · weaviate.io
- GitHub · github.com
- GitHub · github.com
- trychroma.com · trychroma.com
- GitHub · github.com
- lancedb.com · lancedb.com
- GitHub · github.com
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
Qdrant Milvus Weaviate pgvector official documentation open source deployment architecture 2026 OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 | |
best open source vector databases Qdrant Milvus Weaviate pgvector Chroma 2026 comparison self hosted scalability OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 |