Vector databases
AI's #1 pick for Vector databases Pinecone
This week's Models Poll: Pinecone is the #1 Vector databases pick — first choice in 32% of AI recommendations (Jun 2026).
32% of first picks June 28, 2026
29.9
Concentration (HHI)
Top 3 capture 52% of first picks
50
Consensus score
partial agreement
14
Vendors named
across 3 models
Rankings by Share of Answer
↗ Share chartShare of Answer = how often a vendor is the model's single first pick, pooled across all models and questions. Whiskers show the Wilson 95% interval.
| # | vs last | Vendor | Share of Answer | Considered | Anthropic | OpenAI | |
|---|---|---|---|---|---|---|---|
| 1 | — | Pinecone | | 48% | 43% | 54% | · |
| 2 | ↑1 | Milvus | | 32% | 18% | 17% | · |
| 3 | ↑2 | Pgvector | | 9% | 13% | 13% | · |
| 4 | — | Qdrant | | 40% | 7% | 14% | · |
| 5 | ↓3 | Weaviate | | 55% | 15% | 3% | · |
| 6 | new | Chroma | | 6% | 5% | · | · |
| 7 | new | Elasticsearch | | 5% | · | · | · |
| 8 | new | Mongodb Atlas | | 4% | · | · | · |
| 9 | new | Supabase | | 3% | · | · | · |
| 10 | new | Vespa | | 3% | · | · | · |
| 11 | new | Pgai | | 1% | · | · | · |
| 12 | new | Faiss | | 0% | · | · | · |
| 13 | new | Azure AI Search | | 0% | · | · | · |
| 14 | new | Redis | | 0% | · | · | · |
Per-model cells = that model's Share of Answer for the vendor. Darker = picked more often. · = 0% (evaluated, never first-picked by that model).
Rankings over time
Top-5 Share of Answer across 4 weekly snapshots. Rows sorted by latest rank.
No-pick rate by model
How often each model refuses to name a specific vendor or gives no concrete recommendation.
Claude Haiku 4.5
0%
refused / no pick
Gemini 3.1 Flash-Lite
0%
refused / no pick
GPT-5.5
100%
refused / no pick