# QuestDB: how AI models rank it, October 2026

IT AI Recommendation Index, October 2026 Edition. Named in 58 judge labels across 2 categories by 14 of 14 models. Page: https://it-ai-index.com/vendors/questdb/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Time series databases | 4% | 4 | 4% | 57 |
| Telemetry pipelines | 0% | 70 | 0% | 1 |

## What the models said for it

- "1. QuestDB: A time series database that is designed to handle large amounts of data and provide fast query performance." (Llama 4 Maverick, Time series DBs)
- "specialized TSDBs like InfluxDB, TimescaleDB, or QuestDB are generally safer choices" (Mistral Small, Time series DBs)
- "For new projects in 2026, I'd strongly lean toward QuestDB" (DeepSeek V4 Flash, Time series DBs)
- "Best all-round low-cost pick: QuestDB" (Muse Glimmer 30B, Time series DBs)

## And against it

- "QuestDB is strong for time-centric analytics, but it is not the best choice if most of your queries do not filter by time" (Perplexity Sonar, Time series DBs)
- "QuestDB (SQLi)" (GLM 4.7 FlashX, Time series DBs)

## In its own words

What QuestDB's own pages state, read 2026-10-05. Stated by the vendor, not checked by the index.

- Positioning: Open-source time-series database (https://questdb.com/)
- For: demanding workloads in capital markets, aerospace, and energy (https://questdb.com/)
- Price stated: Free Enterprise Trial; Download (https://questdb.com/)
- Starting price: 0 (https://questdb.com/)
- Free plan or trial: Free Enterprise Trial (https://questdb.com/)
- Certifications: SOC 2 Type 2 Compliant, SOC 2
- Hosting: On-prem, AWS, Azure, GCP, BYOC
- Customers named: Laser Digital Nomura, Mizuho, OKX, Ripple, Hidden Road, B3, Brevan Howard, Airbus

## What it publishes

Every page questdb.com exposes, read 2026-10-05: 1291 addresses. By kind, pages and the last 90 days:

- blog: 203 pages, 11 in the last 90 days, latest 2026-10-01
- case study: 8 pages, 0 in the last 90 days, latest 2026-04-16
- report or ebook: 7 pages, 0 in the last 90 days, latest 2023-05-22
- comparison: 22 pages, 3 in the last 90 days, latest 2026-08-30
- glossary or explainer: 385 pages, 0 in the last 90 days, latest 2024-08-01
- Recent: 2026-10-01 blog: Questdb qwp gorilla timestamp compression https://questdb.com/blog/questdb-qwp-gorilla-timestamp-compression
- Recent: 2026-09-25 blog: Questdb time series joins guide https://questdb.com/blog/questdb-time-series-joins-guide
- Recent: 2026-09-11 blog: Questdb ducklake https://questdb.com/blog/questdb-ducklake
- Recent: 2026-09-04 blog: Parquet and iceberg questdb https://questdb.com/blog/parquet-and-iceberg-questdb
- Recent: 2026-08-30 comparison: Questdb vs kdb https://questdb.com/compare/questdb-vs-kdb
- Recent: 2026-08-25 blog: Questdb enterprise 4 0 release https://questdb.com/blog/questdb-enterprise-4-0-release

## Record

- Method: https://it-ai-index.com/methodology/
- Raw judge labels and full responses: https://it-ai-index.com/data/
- License: CC BY 4.0. Cite as IT AI Recommendation Index, October 2026 Edition, it-ai-index.com.