Vector databases archive · 2026-06-28
Snapshot June 28, 2026 · polled 288× across 3 models
| # | Vendor | Share of Answer | Considered | Anthropic | OpenAI | |
|---|---|---|---|---|---|---|
| 1 | Pinecone | 32% [27%–38%] | 48% | 43% | 54% | · |
| 2 | Milvus | 11% [8%–16%] | 32% | 18% | 17% | · |
| 3 | Pgvector | 8% [6%–12%] | 9% | 13% | 13% | · |
| 4 | Qdrant | 7% [5%–10%] | 40% | 7% | 14% | · |
| 5 | Weaviate | 6% [4%–9%] | 55% | 15% | 3% | · |
| 6 | Chroma | 2% [1%–4%] | 6% | 5% | · | · |