KairosDB vs TDengine
On the evidence we track, TDengine leads this comparison with a composite score of 56/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for time-series databases. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
KairosDB
Open-source time series database that leverages Cassandra for storage, providing REST and Graphite protocol support for data ingestion and retrieval, with built-in aggregation functions and extensible architecture via plugins.
TDengine
LeaderAI-native industrial data platform and high-performance time-series database that unifies data ingestion, storage, analytics, modeling, visualization, and AI applications.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
TDengine
LeaderFree for up to 5,000 tags. Annual licenses from $12,500/year, perpetual from $31,250 (both scale with tag count). Optional support from $3,375/year. High Availability at +30%.
- Free TierFree
- Up to 5,000 tags
- Product usage rights
- Annual LicenseFrom $12,500/year for 7,500 tags. Standard Support included.
- Pricing scales from 7,500 to 500,000+ tags
- Standard Support
- Software updates
- Security patches
- Perpetual LicenseFrom $31,250 for 7,500 tags. One-time payment.
- Perpetual usage rights
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
KairosDB
- Cassandra
- Graphite
- Telnet
TDengine
Leader- Java
- Python
- Go
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.