Who each engine recommends
Position of every brand named in the latest run.
| Brand | ChatGPT | Perplexity | AI Mode | Mention rate |
|---|---|---|---|---|
| Chroma | #4 | #4 | #1 | |
| PostgreSQL | #3 | #1 | #4 | |
| QdrantTop pick | #1 | #2 | #3 | |
| Pinecone | #5 | #3 | #6 | |
| Zilliz Cloud | — | #5 | #5 | |
| LanceDB | — | — | #2 | |
| Supabase | #2 | — | — | |
| Actian VectorAI DB | — | #6 | — | |
| Weaviate | #6 | — | — |
Responses
What each engine answered, and how the shortlist moved.
Yes! There are several free vector databases that work well for small teams, including options with free cloud hosting, open-source self-hosting, and no monthly commitment.
- Qdrant — As of November 2026, I'd shortlist Qdrant, Supabase pgvector, Chroma, and Pinecone.
- Supabase — As of November 2026, I'd shortlist Qdrant, Supabase pgvector, Chroma, and Pinecone.
- PostgreSQL — As of November 2026, I'd shortlist Qdrant, Supabase pgvector, Chroma, and Pinecone.
- Chroma — As of November 2026, I'd shortlist Qdrant, Supabase pgvector, Chroma, and Pinecone.
- Pinecone — As of November 2026, I'd shortlist Qdrant, Supabase pgvector, Chroma, and Pinecone.
- Weaviate
Yes. Good free options for small teams include:
- PostgreSQL — pgvector — Best if you already use PostgreSQL; it adds vector search without introducing another database.
- Qdrant — Qdrant — Strong choice for self-hosting, with an Apache 2.0 license and a free cloud tier of roughly 0.5 vCPU, 1 GB RAM, and 4 GB disk.
- Pinecone — Pinecone — Easiest managed option; its free tier includes up to 2 GB of storage, 1 million read units, and 2 million write units per month.
- Chroma — Chroma — Lightweight and developer-friendly for prototypes and small RAG applications; free and open source when self-hosted.
- Zilliz Cloud — Milvus/Zilliz — Free to self-host, while Zilliz Cloud offers a free tier with up to 5 GB of storage and five collections.
Yes, there are several completely free open-source vector databases and libraries that are ideal for small teams , depending on whether you want to run it locally/in-memory, self-host it on a cheap server, or use a managed cloud free tier.[](https://dev.to/actiandev/8-best-free-vector-databases-for-ai-agents-in-2026-hg3) The best options for small teams break down by deployment style: Embedded / Local-First (Zero Infra Cost)
- Chroma — ChromaDB: A lightweight, open-source embedding database designed specifically for local prototyping and small-to-medium RAG (Retrieval-Augmented Generation) apps.
- LanceDB — LanceDB: An open-source, serverless vector database that embeds directly into your application.
- Qdrant — Qdrant: Written in Rust, Qdrant is exceptionally fast and resource-efficient.
- PostgreSQL — pgvector (PostgreSQL Extension): If your small team already uses PostgreSQL, you don't even need a new database .
- Zilliz Cloud — Zilliz Cloud: The managed cloud version of Milvus.
- Pinecone — Pinecone: Provides a free starter tier for a single project index, though it limits the total number of vectors you can store.
Citations
Sources the engines cited for this prompt.
| Source | Type | Citations | Cited by |
|---|---|---|---|
| qdrant.tech | Brand site · Qdrant | 4 | ChatGPT |
| supabase.com | Brand site · Supabase | 3 | ChatGPT |
| pinecone.io | Brand site · Pinecone | 2 | ChatGPT |
| rework.com | Web | 2 | Perplexity |
| toolradar.com | Web | 2 | Perplexity |
| actian.com | Brand site · Actian VectorAI DB | 1 | Perplexity |
| agentdeals.dev | Web | 1 | Perplexity |
| cloudflare.com | Web | 1 | Perplexity |
| devshot.co | Web | 1 | ChatGPT |
| dev.to | Web | 1 | Google AI Mode |
| dupple.com | Web | 1 | Perplexity |
| freeapihub.com | Web | 1 | ChatGPT |
| geekflare.com | Web | 1 | Perplexity |
| mixpeek.com | Web | 1 | Perplexity |
| trychroma.com | Brand site · Chroma | 1 | ChatGPT |
| weaviate.io | Brand site · Weaviate | 1 | ChatGPT |