# TDengine: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 15 judge labels across 1 category by 7 of 14 models. Page: https://www.gane.ai/index/it/vendors/tdengine

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Time series databases](https://www.gane.ai/index/it/it-data/time-series-databases/index.md) | 0% | 9 | 0% | 15 |

## What the models said for it

- "Optimized for IoT/IIoT; open source with high performance and built-in clustering. Free for most uses." (Grok 4.20, Time series DBs)
- "Industrial protocols, edge deployment, or native MQTT/OPC UA focus | TDengine" (Perplexity Sonar, Time series DBs)
- "Great for industrial/IoT workloads, strong compression, AGPL licensed." (DeepSeek V4 Flash, Time series DBs)
- "For IoT and Low-Level Hardware: TDengine ... is a strong contender." (Qwen 3.7 Flash, Time series DBs)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 1 | 0 | 0 | 1 |
| GPT-5.4 mini | 0 | 0 | 0 | 0 | 0 |
| Gemini 3.5 Flash | 0 | 0 | 0 | 0 | 0 |
| Perplexity Sonar | 0 | 2 | 2 | 0 | 4 |
| Grok 4.20 | 0 | 2 | 0 | 0 | 2 |
| Mistral Small | 0 | 1 | 0 | 0 | 1 |
| DeepSeek V4 Flash | 0 | 2 | 0 | 0 | 2 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 0 | 2 | 2 | 0 | 4 |
| Kimi K2 | 0 | 1 | 0 | 0 | 1 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 0 | 0 |
| MiniMax M2.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-6 Luna | 0 | 0 | 0 | 0 | 0 |
| Muse Glimmer 30B | 0 | 0 | 0 | 0 | 0 |

## Sources returned with these answers

The sites and pages cited by the answers that named TDengine, from 33 of the 37 answers that named it (only the models that return a source list).

### Domains cited

- tigerdata.com: 27
- github.com: 18
- influxdata.com: 18
- questdb.com: 18
- g2.com: 15
- gane.ai/index: 11
- guideflow.com: 11
- db-engines.com: 10
- cratedb.com: 8
- tdengine.com: 8 (its own site)

### Pages cited

- https://questdb.com/blog/best-time-series-databases: 16
- https://tigerdata.com/learn/the-best-time-series-databases-compared: 15
- https://guideflow.com/blog/time-series-database-software: 11
- https://github.com/ismanf/just-system-design/blob/main/04-databases/time-series-databases.md: 10
- https://influxdata.com/learn/what-is-time-series-database: 10
- https://tigerdata.com/learn/best-managed-time-series-databases-in-2026: 10
- https://db-engines.com/en/ranking/time+series+dbms: 8
- https://g2.com/categories/time-series-databases/small-business: 7

## In its own words

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

- Positioning: Modern Alternative to Traditional Data Historians (https://tdengine.com/)
- For: industrial companies worldwide (https://tdengine.com/)
- Price stated: Free forever up to 5,000 tags (https://tdengine.com/)
- Starting price: Free (https://tdengine.com/pricing)
- Free plan or trial: Free forever up to 5,000 tags (https://tdengine.com/)
- Integrations claimed: 50 (https://tdengine.com/)
- Certifications: SOC 2 Type II, ISO 27001, 21 CFR Part 11, ISO 27017
- Hosting: public cloud, on premises, edge-cloud deployments, Amazon Web Services, Microsoft Azure, Google Cloud Platform
- Customers named: Ignition, Kepware, EMQ, Casne Engineering, Seeq, Prospective, Ontopic, Atsign

## What it publishes

Every page tdengine.com exposes, read 2026-10-05: 967 addresses. By kind, pages and the last 90 days:

- blog: 407 pages, 55 in the last 90 days, latest 2026-09-28
- webinar or virtual event: 1 pages, 0 in the last 90 days, latest 2025-08-04
- conference or event: 13 pages, 2 in the last 90 days, latest 2026-08-12
- comparison: 28 pages, 2 in the last 90 days, latest 2026-07-12
- template or tool: 23 pages, 0 in the last 90 days, latest undated
- glossary or explainer: 4 pages, 0 in the last 90 days, latest 2026-01-19
- news or press: 1 pages, 0 in the last 90 days, latest 2023-01-10
- Recent: 2026-09-28 blog: Three days built an industrial alarm management app https://tdengine.com/three-days-built-an-industrial-alarm-management-app
- Recent: 2026-09-17 blog: 21 cfr part 11 https://tdengine.com/21-cfr-part-11
- Recent: 2026-09-12 blog: Tsdb for zendure home energy storage https://tdengine.com/tsdb-for-zendure-home-energy-storage
- Recent: 2026-09-05 blog: Servo system testing eha defect tracing https://tdengine.com/servo-system-testing-eha-defect-tracing
- Recent: 2026-09-05 blog: Specialty paper quality web break risk detection https://tdengine.com/specialty-paper-quality-web-break-risk-detection
- Recent: 2026-09-05 blog: Wastewater treatment effluent root cause tracing https://tdengine.com/wastewater-treatment-effluent-root-cause-tracing

## Record

- Method: https://www.gane.ai/index/it/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/it.