Comparison

Prometheus vs TDengine

On the evidence we track, Prometheus leads this comparison with a composite score of 69/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Prometheus full profile →TDengine full profile →

Machine formatsJSON Markdown GraphQLor send Accept: application/json

★Prometheus69

TDengine56

Attribute comparison across 2 tools
Attribute	PrometheusLeader	TDengine
Vioscale score	69 / 100medium · 58%updating	56 / 100medium · 69%updating
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	open_source	freemium
Price levelpricing.price_level	free	low
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	18	3
Security
Gdprsecurity.gdpr	✓	-
Iso27001security.iso27001	-	✓
Scorecardsecurity.scorecard	8.1	4
Soc2security.soc2	-	✓
Vulnerabilitiessecurity.vulnerabilities	Count: 7 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fprometheus%2Fprometheus&per_page=100 · Last 12m: 4 · Max severity: HIGH	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40tdengine%2Fclient&per_page=100 · Last 12m: 0
Reliability
Status pagereliability.status_page	-	✓
Adoption
Dependent reposadoption.dependent_repos	5,467	7
Github starsadoption.github_stars	65,837	25,090
Package downloads weeklyadoption.package_downloads_weekly	9,036,061	-
Activity
Commits last 30dactivity.commits_last_30d	100	100
Release
Cadence daysrelease.cadence_days	6	28
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	Apache-2.0	AGPL-3.0
Language
Primarylanguage.primary	Go	C
Market
Availabilitymarket.availability	Available worldwide	-

Score

Vioscale score

Prometheus69 / 100medium · 58%updating

TDengine56 / 100medium · 69%updating

Pricing

Free tier

Prometheus✓

TDengine✓

Model

Prometheusopen_source

TDenginefreemium

Price level

Prometheusfree

TDenginelow

Transparent

Prometheus✓

TDengine✓

Integrations

Count

Prometheus18

TDengine3

Security

Gdpr

Prometheus✓

TDengine–

Iso27001

Prometheus–

TDengine✓

Scorecard

Prometheus8.1

TDengine4

Soc2

Prometheus–

TDengine✓

Vulnerabilities

PrometheusCount: 7 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fprometheus%2Fprometheus&per_page=100 · Last 12m: 4 · Max severity: HIGH

TDengineCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40tdengine%2Fclient&per_page=100 · Last 12m: 0

Reliability

Status page

Prometheus–

TDengine✓

Adoption

Dependent repos

Prometheus5,467

TDengine7

Github stars

Prometheus65,837

TDengine25,090

Package downloads weekly

Prometheus9,036,061

TDengine–

Activity

Commits last 30d

Prometheus100

TDengine100

Release

Cadence days

Prometheus6

TDengine28

History

Prometheus20 items

TDengine20 items

License

Spdx

PrometheusApache-2.0

TDengineAGPL-3.0

Language

Primary

PrometheusGo

TDengineC

Market

Availability

PrometheusAvailable worldwide

TDengine–

Capabilities

Feature-by-feature on the axes that matter for time-series databases. “-” means undocumented, not absent.

Capability comparison for Time-Series Databases
Capability	Prometheus	TDengine
Query
Query language (SQL / PromQL / InfluxQL-Flux / Graphite)	PromQL	-
SQL compatibility	Non-SQL	-
Ingest
Ingest model	Both	Push
Model
Data model	Metrics (labels/tags)	Metrics (labels/tags)
Lifecycle
Downsampling / rollups	-	Continuous aggregates
Retention / TTL	-	-
Storage
Compression (columnar / delta / Gorilla)	-	-
Performance
High-cardinality handling	Strong	Strong
Scale
Clustering / horizontal scale	Distributed / sharded	Distributed / sharded
Replication / HA	✓	✓
Deployment
Deployment	Self-hosted	Self-hosted
Interop
Prometheus remote-write compatible	✓	-
Licensing
Licence class	Permissive OSS	Source-available

Query

Query language (SQL / PromQL / InfluxQL-Flux / Graphite)

PrometheusPromQL

TDengine-

SQL compatibility

PrometheusNon-SQL

TDengine-

Ingest

Ingest model

PrometheusBoth

TDenginePush

Model

Data model

PrometheusMetrics (labels/tags)

TDengineMetrics (labels/tags)

Lifecycle

Downsampling / rollups

Prometheus-

TDengineContinuous aggregates

Retention / TTL

Prometheus-

TDengine-

Storage

Compression (columnar / delta / Gorilla)

Prometheus-

TDengine-

Performance

High-cardinality handling

PrometheusStrong

TDengineStrong

Scale

Clustering / horizontal scale

PrometheusDistributed / sharded

TDengineDistributed / sharded

Replication / HA

Prometheus✓

TDengine✓

Deployment

PrometheusSelf-hosted

TDengineSelf-hosted

Interop

Prometheus remote-write compatible

Prometheus✓

TDengine-

Licensing

Licence class

PrometheusPermissive OSS

TDengineSource-available

What each one is

The product in its own terms, so the numbers below have context.

Prometheus

Leader

A systems monitoring platform that collects metrics from configured targets at regular intervals, evaluates alert rules using PromQL, and triggers notifications. It uses a dimensional data model with key-value labels for flexible metric analysis and dashboarding.

Independently observed

TDengine

AI-native industrial data platform and high-performance time-series database that unifies data ingestion, storage, analytics, modeling, visualization, and AI applications.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Prometheus

Leader

Open sourceFree tier

as of 2026-08-14verify ↗

TDengine

HybridFree tier

Free 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

as of 2026-08-01verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Prometheus	TDengine
WebPlatforms	✓	✗
macOSPlatforms	✓	✓
WindowsPlatforms	✓	✗
LinuxPlatforms	✓	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✗	✓
Self-hostedDeployment	✓	✓
On-premiseDeployment	✓	✗
HybridDeployment	✗	✓

Platforms

Web

Prometheus✓

TDengine✗

macOS

Prometheus✓

TDengine✓

Windows

Prometheus✓

TDengine✗

Linux

Prometheus✓

TDengine✓

CLI

Prometheus✓

TDengine✓

Deployment

Cloud / SaaS

Prometheus✗

TDengine✓

Self-hosted

Prometheus✓

TDengine✓

On-premise

Prometheus✓

TDengine✗

Hybrid

Prometheus✗

TDengine✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Prometheus

Leader

17 total

Amazon SNS
Discord
incident.io
Jira
Mattermost
Microsoft Teams
OpsGenie
PagerDuty
Pushover
Rocket.Chat
Slack
Telegram
VictorOps
Webex
WeChat
Webhook
Email

Independently observed

TDengine

3 total

Java
Python
Go

Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.