# Azure Cosmos DB alternatives: what AI models name instead, October 2026

IT AI Recommendation Index, October 2026 Edition. 212 of the 252 answers in the 1 category where Azure Cosmos DB holds a standing named it neither first nor as an alternative; these are the first choices those answers made. Page: https://it-ai-index.com/vendors/azure-cosmos-db/alternatives/

## Named instead, most often (every category and segment added)

- MongoDB: 112
- Amazon DynamoDB: 17
- PostgreSQL: 8
- Couchbase: 7
- Google Cloud Firestore: 6
- Redis: 4

## NoSQL databases

**Small business**: 81 of 84 answers did not name Azure Cosmos DB (Azure Cosmos DB is #7 of 10 at 2%).

- MongoDB: first choice in 56 of those 81
- Amazon DynamoDB: first choice in 7 of those 81
- Google Cloud Firestore: first choice in 5 of those 81
- PostgreSQL: first choice in 5 of those 81
- Couchbase: first choice in 2 of those 81
- Apache CouchDB: first choice in 1 of those 81
- Firebase Realtime Database: first choice in 1 of those 81
- PostgreSQL with JSONB columns: first choice in 1 of those 81

**Mid-market**: 74 of 84 answers did not name Azure Cosmos DB (Azure Cosmos DB is #10 of 13 at 0%).

- MongoDB: first choice in 38 of those 74
- Amazon DynamoDB: first choice in 4 of those 74
- Redis: first choice in 4 of those 74
- Couchbase: first choice in 2 of those 74
- PostgreSQL: first choice in 2 of those 74
- Apache Cassandra: first choice in 1 of those 74
- Google Cloud Firestore: first choice in 1 of those 74
- Google Firebase Firestore: first choice in 1 of those 74

**Enterprise**: 57 of 84 answers did not name Azure Cosmos DB (Azure Cosmos DB is #3 of 9 at 7%).

- MongoDB: first choice in 18 of those 57
- Amazon DynamoDB: first choice in 6 of those 57
- Couchbase: first choice in 3 of those 57
- Apache Cassandra: first choice in 2 of those 57
- Aerospike: first choice in 1 of those 57
- DataStax Astra DB: first choice in 1 of those 57
- Oracle NoSQL Database: first choice in 1 of those 57
- PostgreSQL: first choice in 1 of those 57

Published under CC BY 4.0. The output is the models' output; nothing here is a recommendation by the index.