Milvus (Zilliz Cloud)
Open-source vector database with cloud service (Zilliz Cloud) for high-scale retrieval and similarity search.
5 GB
Active · verified 2026-07-17
Free Vector DB AI tiers and credits
Compare source-backed free offers from AI providers in Vector DB. Records show available allowance details, conditions, official evidence, and review dates.
4 providers · source-backed records with verification dates
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Pinecone
Managed vector database enabling similarity search and retrieval-augmented generation at scale.
$300 credit for 21 days
Active · verified 2026-07-17
Qdrant
Open-source vector database with a managed cloud offering for scalable embeddings and search.
Free tier
Active · verified 2026-07-17
Weaviate
Open-source vector database that can be self-hosted or used through Weaviate Cloud Service (WCS).
1K requests/mo
Active · verified 2026-07-17