Best Vector Database Software with a Free Plan or Free Trial
Top picks for Vector Database Software available with a free plan or free trial
9.0
SpotScore
Open-source vector database for semantic search, RAG, and AI-native applications
Free trial not available
Freemium
Starts from Freefree
7.6
SpotScore
Efficiently organize and grow your business.
Free Trial available
Freemium not available
SingleStore offers custom pricing plan
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Every product here is scored on the same 10-point SpotScore scale, built from pricing, feature and deployment data we maintain, plus ratings collated from public review sources.
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List of the Best Vector Database Software with a Free Plan or Free Trial as of November 2026
9.0
SpotScore
Weaviate
Open-source vector database for semantic search, RAG, and AI-native applications
Best for: SMB teams
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What is Weaviate?
Weaviate is an open-source vector database designed for AI-native applications. It stores, indexes, and searches high-dimensional vector embeddings alongside structured data, enabling semantic search, RAG (retrieval-augmented generation), and recommendation systems. Weaviate natively integrates ...
Read more about WeaviateStarts from Freefree, also offers free forever plan
7.6
SpotScore
SingleStore
Efficiently organize and grow your business.
Best for: SMB teams · Mid-market · Enterprise
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What is SingleStore?
SingleStore is comprehensive data management software that makes it easy to organize and grow business. This software helps user to manage store locations, sales figures, customer information and inventory efficiently and effectively. SingleStore allows user to easily maintain a single, ...
Read more about SingleStoreSingleStore offers custom pricing plan
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What is Supabase?
Supabase is an open-source and user-friendly way to quickly create an efficient backend. It allows businesses to build secure database applications with authentication, Postgres, real-time subscriptions, and instant APIs - no need to employ database specialists. Plus, storing, sharing, and ...
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What is Chroma?
Chroma is open-source search infrastructure built for AI applications, supporting vector similarity search, full-text search, regex, and metadata filtering over the same records. It is built on object storage for serverless scalability and is commonly embedded directly into Python or JavaScript ...
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What is Zilliz Cloud?
Zilliz develops Milvus, an open-source vector database, and offers Zilliz Cloud, a fully managed version built on Milvus. The platform provides real-time vector search, hybrid search, and large-scale data operations for AI workloads such as RAG, semantic search, and recommendation engines, with ...
Read more about Zilliz Cloud
Rockset
Accelerate data-driven apps with lightning speed.
Best for: SMB teams · Mid-market · Enterprise
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What is Rockset?
Rockset is the ultimate solution for building data-driven apps at lightning speed. Our four-step process simplifies the entire workflow. In the first step, we integrate real-time data streams, lakes, warehouses, and databases, including various formats like XML, CSV, Parquet, and JSON. Then, ...
Read more about RocksetStarts from $499/Month, also offers free forever plan
Pinecone
Next-level search with Pinecone's vector technology.
Best for: SMB teams · Mid-market · Enterprise
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What is Pinecone?
Pinecone is a fully managed search solution for advanced applications. Featuring vector search libraries and powerful filters, this vector database enables semantic searches for high performance and reliability. With machine learning capabilities, teams can use embeddings and vector search to ...
Read more about PineconeStarts from $50/Month, also offers free forever plan
Also compared: paid Vector Database Software
These did not match this page's filter. They are the highest-rated Vector Database Software in the wider category, shown so there is something to compare.
9.8
SpotScore
Elasticsearch
Empower your website with intelligent search capabilities.
Best for: SMB teams · Mid-market · Enterprise
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What is Elasticsearch?
Elasticsearch brings the power of full-text search to the website, turning it into an information hub that enables intelligent navigation of content. This takes site to another level, providing additional functionality as well as improving usability and conversion rates. Elasticsearch is a ...
Read more about ElasticsearchElasticsearch offers custom pricing plan
pgvector
Vector similarity search as a PostgreSQL extension
Best for: SMB teams · Mid-market · Enterprise
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What is pgvector?
pgvector adds vector storage and similarity search to PostgreSQL as an extension, so embeddings live in the same database as the relational data they relate to. That removes the operational burden of running a second datastore and lets a single SQL query filter on business columns and rank by ...
Read more about pgvectorpgvector offers custom pricing plan
Deep Lake
Database for AI storing vectors alongside raw multimodal data
Best for: SMB teams · Mid-market · Enterprise
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What is Deep Lake?
Deep Lake from Activeloop stores vectors together with the underlying data — images, video, audio, text — in a format designed for machine learning workflows, supporting version control over datasets and streaming to training jobs. Its distinguishing idea is treating the vector index and the ...
Read more about Deep LakeDeep Lake offers custom pricing plan
Frequently Asked Questions About Vector Database Software
Stuck on something? We're here to help with all the questions and answers in one place.
The features most commonly offered by Vector Database Software on Spotsaas are Dashboard, Access Control, Analytics, Reporting, Third-party Integration, User Management. Most buyers prioritize ease of use, reporting, and integration capabilities. Start with what covers your core workflow before comparing advanced features.
Vector Database Software pricing typically ranges from $10 to $200+ per user per month depending on features and team size. Most vendors offer tiered plans: starter, professional, and enterprise. Request a demo or check individual product pages on Spotsaas for current pricing details.
The top rated Vector Database Software based on verified user reviews and SpotScore are Typesense, ClickHouse, Vespa. These consistently score highest on ease of use, feature depth, and customer support quality. Ratings are updated monthly based on real buyer feedback.
To choose the right Vector Database Software, start by listing your must-have features, commonly Dashboard, Access Control, Analytics, Reporting, Third-party Integration, User Management. Then filter by team size, budget, and integrations you already use. Compare at least 3 options and use free trials to test before committing. Spotsaas lets you compare side-by-side in minutes.
Currently no Vector Database Software listed on Spotsaas offer a permanent free plan, though many provide free trials (typically 14–30 days). Use the pricing filter on this page to find trial-eligible options and test before committing to a paid plan.
The best Vector Database Software for small businesses are affordable, quick to set up, and scale without complexity. Top picks for small teams are Meilisearch, Upstash Vector, LanceDB. Look for per-user pricing, no long-term contracts, and strong onboarding support to minimize ramp-up time.
About the reviewer
Rajat Gupta is the founder of Spotsaas, where he has built software research covering 25,000+ products across CRM, HR, AI, and finance. He applies hands-on product research and a background in commerce and the CFA program to evaluate software through a business and ROI lens. His goal: help teams make software decisions they won't regret.
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].