Vector databases archive · 2026-06-21
Snapshot June 21, 2026 · polled 288× across 3 models
| # | Vendor | Share of Answer | Considered | Anthropic | OpenAI | |
|---|---|---|---|---|---|---|
| 1 | Pinecone | 34% [29%–40%] | 56% | 44% | 33% | 25% |
| 2 | Weaviate | 18% [14%–23%] | 65% | 16% | 18% | 20% |
| 3 | Milvus | 17% [13%–22%] | 48% | 16% | 28% | 8% |
| 4 | Qdrant | 15% [12%–20%] | 69% | 6% | 5% | 34% |
| 5 | Pgvector | 13% [9%–17%] | 17% | 13% | 15% | 10% |
| 6 | Chroma | 2% [1%–5%] | 7% | 6% | 1% | · |
| 7 | Supabase | 1% [0%–3%] | 8% | · | · | 2% |