Vector databases archive · 2026-06-16
Snapshot June 16, 2026 · polled 288× across 3 models
| # | Vendor | Share of Answer | Considered | Anthropic | OpenAI | |
|---|---|---|---|---|---|---|
| 1 | Pinecone | 28% [23%–33%] | 57% | 36% | 24% | 23% |
| 2 | Qdrant | 20% [16%–25%] | 70% | 11% | 14% | 34% |
| 3 | Milvus | 17% [13%–22%] | 48% | 17% | 24% | 11% |
| 4 | Weaviate | 17% [13%–21%] | 65% | 17% | 16% | 18% |
| 5 | Pgvector | 15% [12%–20%] | 23% | 13% | 21% | 13% |
| 6 | Chroma | 2% [1%–5%] | 6% | 5% | 2% | · |
| 7 | Vespa | 0% [0%–2%] | 10% | · | · | 1% |
| 8 | Supabase | 0% [0%–2%] | 6% | 1% | · | · |