Comparison

Prometheus vs TDengine

On the evidence we track, Prometheus leads this comparison with a composite score of 67/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Prometheus67
TDengine55
Score
vioscaleAI score
Prometheus67 / 100medium · 57%
TDengine55 / 100medium · 71%
Pricing
Free tier
Prometheus✓
TDengine✓
Model
Prometheusopen_source
TDenginefreemium
Price level
Prometheusfree
TDenginehigh
Starting price
Prometheus–
TDengine$970
Transparent
Prometheus✓
TDengine✓
Integrations
Count
Prometheus60
TDengine7
Reliability
Status page
Prometheus–
TDengine✓
Adoption
Dependent repos
Prometheus5,467
TDengine7
Github stars
Prometheus66,366
TDengine25,158
Package downloads weekly
Prometheus11,748,542
TDengine–
Activity
Commits last 30d
Prometheus100
TDengine100
Release
Cadence days
Prometheus7
TDengine28
History
Prometheus20 items
TDengine20 items
License
Spdx
PrometheusApache-2.0
TDengineAGPL-3.0
Language
Primary
PrometheusGo
TDengineC
Content
Faq
Prometheus7 items
TDengine7 items

Capabilities

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

Query
Query language (SQL / PromQL / InfluxQL-Flux / Graphite)
PrometheusPromQL
TDengineSQL
SQL compatibility
PrometheusNon-SQL
TDengineFull SQL
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)
PrometheusXOR2 float chunk encoding
TDengine-
Performance
High-cardinality handling
PrometheusStrong
TDengineStrong
Scale
Clustering / horizontal scale
PrometheusDistributed / sharded
TDengineDistributed / sharded
Replication / HA
Prometheus✓
TDengine✓
Deployment
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 pull-based monitoring platform that periodically scrapes metrics from instrumented targets over HTTP and stores them in a time-series database. It provides PromQL for querying metrics and integrates with Alertmanager for rule-based alerting and incident notifications.

Independently observed

TDengine

Open-source time-series database for real-time processing of high-volume sensor data, supporting distributed deployment and AI-powered analytics.

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 verify ↗

TDengine

from $970/moHybridFree tier

Free tier up to 5,000 tags. Self-hosted annual licenses from $12,500/year, perpetual from $31,250. Managed cloud from $970/month. High availability at +30% of plan cost.

  • Free TierFree
    • All TSDB and IDMP features
    • Official support available separately
  • Self-Hosted Annual LicenseFrom $12,500/year (7,500 tags). Pricing scales with deployment size.
    • Standard support included
    • Product updates and patches
  • Self-Hosted Perpetual LicenseFrom $31,250 (7,500 tags). One-time cost, pricing scales with deployment size.
    • Perpetual usage rights
    • Optional annual support available
  • Cloud - Starter$970/month or $11,640/year
    • Fully managed on AWS, Azure, or GCP
    • Managed infrastructure and operations
  • Cloud - Small$1,740/month or $20,880/year
  • Cloud - Medium$2,570/month or $30,840/year
  • Cloud - Large$3,500/month or $42,000/year
  • Cloud - XLarge$5,220/month or $62,640/year
as of verify ↗

Platform & deployment

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

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.

In common (1)
  • Kafka

Prometheus

Leader
65 total - 64 not shared
  • Amazon SNS
  • Discord
  • incident.io
  • Jira
  • Mattermost
  • Microsoft Teams
  • OpsGenie
  • PagerDuty
  • Pushover
  • Rocket.Chat
  • Slack
  • Telegram
  • VictorOps
  • Webex
  • WeChat
  • Webhook
  • Email
  • WeChat Work
  • Blackbox Exporter
  • Consul
  • Graphite
  • Memcached
  • MySQL
  • Node Exporter
  • +40 more
Independently observed

TDengine

10 total - 9 not shared
  • Java
  • Python
  • Go
  • MQTT
  • OPC
  • PI System
  • Excel
  • Apache Pulsar
  • AVEVA Historian
Independently observed
Still deciding?

Prometheus or TDengine: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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