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Azure Cosmos DB for NoSQL alternatives

Azure Cosmos DB for NoSQL is a fully managed cloud database for schema-agnostic JSON documents and SQL-like queries. It combines configurable consistency, transactions, global distribution, multi-region writes, and automatic failover. Built-in vector and hybrid similarity search supports RAG and AI-agent workloads. Provisioned, autoscale, and serverless throughput cover different traffic patterns, while SDKs support .NET, Java, JavaScript/Node.js, Python, Go, and Rust. Change feed, Synapse Link, and Fabric mirroring connect application data with event and analytical workflows. A free tier offers 1,000 RU/s and 25 GB for one account per Azure subscription, and an emulator supports local development on Windows or Linux.

  1. 1

    MySQL

    Free plan APILinuxMac+2

    Open-source SQL and NoSQL applications across many platforms — MySQL combines relational SQL with NoSQL development, Document Store tools, replication, and native high availability.

    Free plan Visit site
  2. 2

    Azure SQL Database

    Free plan AndroidAPIiPhone+4

    Managed relational workloads using SQL Server tools — Azure SQL Database is a fully managed relational PaaS with T-SQL, Hyperscale replicas, JSON, and REST or GraphQL APIs.

    Free plan Visit site
  3. 3

    SQLite

    by SQLite
    Free plan Open source AndroidAPIiPhone+5

    Embedded, serverless databases in a single file — SQLite is an in-process, zero-configuration engine storing a complete transactional database in one cross-platform disk file.

    Free plan Visit site
  4. 4

    Microsoft SQL Server

    Free plan APILinuxSelf-hosted+1

    SQL Server workloads with broad data integration — SQL Server adds relational, XML, JSON, full-text, machine-learning, integration, virtualization, and vector features across Windows, Linux, and Docker.

    Free plan Visit site
  5. 5

    PostgreSQL

    Free plan LinuxMacSelf-hosted+1

    Open-source relational workloads with extensive extensions — PostgreSQL offers an open-source object-relational system with broad data types, advanced transactions, replication, security, and extensions.

    Free plan Visit site
  6. 6

    Amazon DynamoDB

    Free plan AndroidAPIiPhone+5

    Serverless distributed NoSQL applications on AWS — DynamoDB is a fully managed serverless NoSQL service with automatic scaling, multi-active global tables, item-level IAM controls, and native vector search.

    Free plan Visit site
  7. 7

    Amazon Aurora

    by Amazon Aurora
    Free plan API

    Managed relational applications using PostgreSQL or MySQL — Aurora is a managed relational service for PostgreSQL, MySQL, and DSQL, with Serverless capacity scaling and compatibility with existing applications.

    7.2 Visit site
  8. 8

    Chroma

    Free plan Open source AndroidAPIiPhone+5
    9.2 Free plan · paid from $250/mo Visit site
  9. 9

    Vespa

    Free plan Open source APILinuxMac+3
    8.6 From $0.05 Visit site
  10. 10

    ClickHouse Cloud

    by ClickHouse Cloud
    Free trial Open source APILinuxMac+3
    8.1 From $50/mo · 30-day trial Visit site
  11. 11

    Elasticsearch

    Free plan APILinuxSelf-hosted+1
    7.5 Free plan · paid from $99/mo · 14-day trial Visit site
  12. 12

    Kinetica

    by Kinetica
    Free plan APILinuxMac+3
    7.5 Free plan · paid from $1.80 Visit site
  13. 13

    Neon

    Free plan APILinuxMac+2
    7.4 Free plan Visit site
  14. 14

    Amazon OpenSearch Service

    Free plan APIWeb
    7.3 Visit site
  15. 15

    Cloudflare Vectorize

    Free plan APIWeb
    7.3 Free plan · paid from $5/mo Visit site
  16. 16

    KDB.AI

    Free plan APISelf-hostedWeb
    7.3 Free plan Visit site
  17. 17

    LanceDB

    Free plan APILinuxSelf-hosted
    7.3 Open source Visit site
  18. 18

    OpenSearch

    by OpenSearch
    Free plan APILinuxMac+3
    7.3 Open source Visit site
  19. 19

    Pinecone

    by Pinecone
    Free plan APILinuxMac+1
    7.3 Free plan · paid from $20/mo · 21-day trial Visit site
  20. 20

    Milvus

    Free plan APILinuxSelf-hosted
    7.2 Free plan Visit site
  21. 21

    Qdrant

    by Qdrant
    Free plan APILinuxMac+3
    7.2 Free plan Visit site
  22. 22

    Redis Insight

    Free plan LinuxMacSelf-hosted+2
    7.2 Free plan Visit site
  23. 23

    SingleStore Helios

    by SingleStore Helios
    Free plan APILinuxMac+3
    7.2 Free plan · paid from $0.99 Visit site
  24. 24

    Supabase

    Free plan AndroidAPIiPhone+4
    7.1 Free plan · paid from $25/mo Visit site
  25. 25

    Tigris

    Free plan APISelf-hostedWeb
    6.9 Free plan · paid from $0.00/mo Visit site
  26. 26

    TileDB Cloud

    Free plan APISelf-hostedWeb
    6.9 Free plan Visit site
  27. 27

    Vald

    Free plan APILinuxSelf-hosted
    6.9 Open source Visit site
  28. 28

    Vecto

    Free plan LinuxMacWindows
    6.9 Free plan · paid from $7.99 Visit site
  29. 29

    Weaviate

    by Weaviate
    Free plan APILinuxSelf-hosted+1
    6.9 Free plan · paid from $45/mo Visit site
  30. 30

    SurrealDB

    by SurrealDB
    Free plan Self-hosted
    6.7 Free plan · paid from $0.02 Visit site

Alternatives become relevant when your application is highly relational or analytical OLAP, both described as poor fits here. The selected compute model and API cannot be changed later, and standard provisioned throughput has a 400 RU/s minimum. Storage and bandwidth are billed separately. Compare document versus relational modeling, query interfaces, deployment responsibility, regional needs, vector requirements, integrations, and migration effort before moving workloads.

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