Qdrant's Constella preview lets you swap query embedding models without re-embedding your docs
qdrant_engine · x · 2026-09-29
Qdrant has released Constella, a research preview that lets developers change the query-side embedding model without re-embedding the entire document collection.
- Motivation: embedding query traffic grows the compute bill, and on low-power devices a large model may not fit in memory — but switching to a smaller query model normally means re-embedding the whole collection.
- Constella removes that constraint by decoupling query and document embeddings, so query models can be swapped freely.
- It remains a research preview; the author notes quality/latency trade-offs and real-world workloads still need exploration.
Related event: Qdrant Launches Constella Preview: Swap Query Models Without Re-embedding(3 posts)→
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