Cosmos DB for NoSQL vector index: flat vs quantizedFlat vs diskANN
This sheet compares flat, quantizedFlat, diskANN.
| Criterion | flat | quantizedFlat | diskANN |
|---|---|---|---|
| Best when | Tiny sets needing exact recall, up to 505 dimensions | Filtered search over a small vector set needing high accuracy | Search scoped past ~50,000 vectors, lowest latency and RU |
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