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Best Ai Databases in 2026

  1. 1

    Chroma

    Free plan Open source AndroidAPIiPhone+5

    Choose Chroma if you need an open-source embedding database with multiple search methods and flexible deployment options.

    9.2 Free plan · paid from $250/mo Visit site
  2. 2

    Vespa

    Free plan Open source APILinuxMac+3

    Vespa offers varied search and ranking methods alongside self-managed and cloud deployment paths.

    8.6 From $0.05 Visit site
  3. 3

    ClickHouse Cloud

    by ClickHouse Cloud
    Free trial Open source APILinuxMac+3

    ClickHouse Cloud provides managed analytics infrastructure with cloud flexibility, ingestion tools, SQL access, and automated operations.

    8.1 From $50/mo · 30-day trial Visit site
  4. 4

    Elasticsearch

    Free plan APILinuxSelf-hosted+1

    Choose Elasticsearch for real-time search and analytics across varied data types, with deployment choices ranging from self-managed to serverless.

    7.5 Free plan · paid from $99/mo · 14-day trial Visit site
  5. 5

    Kinetica

    by Kinetica
    Free plan APILinuxMac+3

    Kinetica brings several analytical data types and real-time ingestion into one distributed engine.

    7.5 Free plan · paid from $1.80 Visit site
  6. 6

    Neon

    Free plan APILinuxMac+2

    Neon combines managed PostgreSQL with compute that can pause during inactivity, database branching, and programmatic management.

    7.4 Free plan Visit site
  7. 7

    Amazon OpenSearch Service

    Free plan APIWeb
    7.3 Visit site
  8. 8

    Azure Cosmos DB for NoSQL

    by Azure Cosmos DB for NoSQL
    Free plan APISelf-hosted

    Choose Azure Cosmos DB for NoSQL if your application needs a managed cloud database with JSON documents, transactions, scaling, or multi-region support.

    7.3 Free plan · 30-day trial Visit site
  9. 9

    Cloudflare Vectorize

    Free plan APIWeb

    Vectorize provides a Workers-connected database for vector indexing and querying, with defined capacity and query limits.

    7.3 Free plan · paid from $5/mo Visit site
  10. 10

    KDB.AI

    Free plan APISelf-hostedWeb

    KDB.AI offers hybrid search and multimodal retrieval features, with managed cloud and self-managed deployment options.

    7.3 Free plan Visit site
  11. 11

    LanceDB

    Free plan APILinuxSelf-hosted
    7.3 Open source Visit site
  12. 12

    OpenSearch

    by OpenSearch
    Free plan APILinuxMac+3

    OpenSearch provides a free search and analytics suite with ingestion, visualization, and machine-learning capabilities.

    7.3 Open source Visit site
  13. 13

    Pinecone

    by Pinecone
    Free plan APILinuxMac+1

    Pinecone combines managed vector search capabilities with multiple index types, integrations and stated security controls.

    7.3 Free plan · paid from $20/mo · 21-day trial Visit site
  14. 14

    Amazon Aurora

    by Amazon Aurora
    Free plan API

    Choose Amazon Aurora if you need a managed relational database with PostgreSQL, MySQL, or DSQL engines and want database operations through the RDS console, CLI, or API.

    7.2 Visit site
  15. 15

    Milvus

    Free plan APILinuxSelf-hosted

    Milvus offers a free, open-source path from local vector search to large distributed deployments.

    7.2 Free plan Visit site
  16. 16

    Qdrant

    by Qdrant
    Free plan APILinuxMac+3

    Qdrant offers flexible vector storage and retrieval, with APIs, client libraries, integrations, and cloud or local deployment.

    7.2 Free plan Visit site
  17. 17

    Redis Insight

    Free plan LinuxMacSelf-hosted+2

    Redis Insight brings Redis data browsing, command work, and analysis into a free GUI and CLI tool. Check the Docker-only API availability and SSPLv1 licensing if those affect your deployment.

    7.2 Free plan Visit site
  18. 18

    SingleStore Helios

    by SingleStore Helios
    Free plan APILinuxMac+3

    Helios brings varied data capabilities and ingestion options to a managed cloud database, with separate Shared, Standard, and Enterprise plans.

    7.2 Free plan · paid from $0.99 Visit site
  19. 19

    Supabase

    Free plan AndroidAPIiPhone+4

    Supabase brings a Postgres database and several backend services together, with client libraries and self-hosting documentation.

    7.1 Free plan · paid from $25/mo Visit site
  20. 20

    Tigris

    Free plan APISelf-hostedWeb
    6.9 Free plan · paid from $0.00/mo Visit site
  21. 21

    TileDB Cloud

    Free plan APISelf-hostedWeb

    TileDB Cloud combines array-based storage, in-place analysis, versioning, collaboration, and multiple deployment models.

    6.9 Free plan Visit site
  22. 22

    Vald

    Free plan APILinuxSelf-hosted

    Vald offers distributed dense-vector search with asynchronous indexing, scaling, and index backup options. Deployment requires Kubernetes, Helm, and Go according to its getting-started requirements.

    6.9 Open source Visit site
  23. 23

    Vecto

    Free plan LinuxMacWindows

    Vecto offers image tracing with SVG export, local processing and a free open-source build. Check the platform distinction: only Windows has the graphical app.

    6.9 Free plan · paid from $7.99 Visit site
  24. 24

    Weaviate

    by Weaviate
    Free plan APILinuxSelf-hosted+1

    Weaviate offers vector search infrastructure with hybrid search and both hosted and self-managed deployment.

    6.9 Free plan · paid from $45/mo Visit site
  25. 25

    SurrealDB

    by SurrealDB
    Free plan Self-hosted

    SurrealDB combines several data models and query capabilities while offering both managed and self-hosted options.

    6.7 Free plan · paid from $0.02 Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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