# QuestDB alternatives: what AI models name instead, October 2026

IT AI Recommendation Index, October 2026 Edition. 148 of the 252 answers in the 1 category where QuestDB 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/questdb/alternatives/

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

- TimescaleDB: 57
- InfluxDB: 18
- VictoriaMetrics: 12
- PostgreSQL: 6
- Amazon Timestream: 3
- InfluxDB 3 Enterprise: 3

## Time series databases

**Small business**: 44 of 84 answers did not name QuestDB (QuestDB is #3 of 9 at 6%).

- TimescaleDB: first choice in 21 of those 44
- PostgreSQL: first choice in 5 of those 44
- InfluxDB: first choice in 4 of those 44
- PostgreSQL with TimescaleDB: first choice in 3 of those 44
- Prometheus: first choice in 2 of those 44
- InfluxDB 3 Core: first choice in 1 of those 44
- InfluxDB Open Source: first choice in 1 of those 44
- VictoriaMetrics: first choice in 1 of those 44

**Mid-market**: 47 of 84 answers did not name QuestDB (QuestDB is #4 of 9 at 4%).

- TimescaleDB: first choice in 14 of those 47
- InfluxDB: first choice in 6 of those 47
- VictoriaMetrics: first choice in 2 of those 47
- InfluxDB 3.x: first choice in 1 of those 47
- PostgreSQL: first choice in 1 of those 47

**Enterprise**: 57 of 84 answers did not name QuestDB (QuestDB is #4 of 10 at 8%).

- TimescaleDB: first choice in 22 of those 57
- VictoriaMetrics: first choice in 9 of those 57
- InfluxDB: first choice in 8 of those 57
- Amazon Timestream: first choice in 3 of those 57
- InfluxDB 3 Enterprise: first choice in 3 of those 57
- Datadog: first choice in 1 of those 57
- TimescaleDB Cloud: 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.