# Prometheus vs TDengine

**Leader by vioscaleAI score:** Prometheus

| Attribute | Prometheus | TDengine |
|---|---|---|
| **vioscaleAI score** | 66.8 (57% (medium)) | 54.5 (71% (medium)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 5,467 | 7 |
| adoption.github_stars | 66,366 | 25,158 |
| adoption.package_downloads_weekly | 11,748,542 | - |
| content.faq | `[{"answer":"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. It is indexed under Time-Series Databases.","source":"https://prometheus.io","question":"What is Prometheus?","confidence":0.6},{"answer":"Prometheus is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://prometheus.io","question":"Is Prometheus free to use?","confidence":0.6},{"answer":"Prometheus supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://prometheus.io","question":"What platforms does Prometheus support?","confidence":0.6},{"answer":"Yes. Prometheus can be deployed on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://prometheus.io","question":"Can Prometheus be self-hosted?","confidence":0.6},{"answer":"We have confirmed 24 integrations for Prometheus, including Amazon SNS, Discord, incident.io, Jira, Mattermost, Microsoft Teams, OpsGenie and PagerDuty, plus 16 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://prometheus.io","question":"What does Prometheus integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Prometheus. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Prometheus not holding them. Always confirm compliance directly before you rely on it.","source":"https://prometheus.io/docs/operating/security/","question":"What security certifications does Prometheus have?","confidence":0.7},{"answer":"Yes. Prometheus is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/prometheus/prometheus","question":"Is Prometheus open source?","confidence":0.99}]` | `[{"answer":"AI-native industrial data platform and high-performance time-series database that unifies data ingestion, storage, analytics, modeling, visualization, and AI applications. It is indexed under Time-Series Databases.","source":"https://tdengine.com","question":"What is TDengine?","confidence":0.6},{"answer":"TDengine is open source, so it can be self-hosted and used at no licence cost. It is released under the AGPL-3.0 licence. Paid editions are also offered: Annual License and Perpetual License, priced on request. Pricing changes often, so verify at source before relying on it.","source":"https://tdengine.com","question":"Is TDengine free to use?","confidence":0.6},{"answer":"TDengine supports macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://tdengine.com/tsdb/pricing/","question":"What platforms does TDengine support?","confidence":0.6},{"answer":"Yes. TDengine can be deployed cloud / SaaS, hybrid and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://tdengine.com/tsdb/pricing/","question":"Can TDengine be self-hosted?","confidence":0.6},{"answer":"We have confirmed 3 integrations for TDengine, including Java, Python and Go. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://tdengine.com/tsdb/pricing/","question":"What does TDengine integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and ISO 27001 for TDengine. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as TDengine not holding them. Always confirm compliance directly before you rely on it.","source":"https://tdengine.com","question":"What security certifications does TDengine have?","confidence":0.48},{"answer":"Yes. TDengine is published under the AGPL-3.0 licence, a copyleft licence, so check its terms before embedding it in a closed-source product. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/taosdata/TDengine","question":"Is TDengine open source?","confidence":0.95}]` |
| deployment.options | `{"on_prem":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` |
| description.long | 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. | Open-source time-series database for real-time processing of high-volume sensor data, supporting distributed deployment and AI-powered analytics. |
| features.capabilities | `{"clustering":"distributed","data_model":"metrics","deployment":"self_hosted","compression":"XOR2 float chunk encoding","ingest_model":"both","licence_class":"permissive_oss","query_language":"PromQL","replication_ha":true,"high_cardinality":"strong","sql_compatibility":"non_sql","prometheus_remote_write":true}` | `{"clustering":"distributed","data_model":"metrics","deployment":"self_hosted","downsampling":"continuous_aggregates","ingest_model":"push","licence_class":"source_available","query_language":"SQL","replication_ha":true,"high_cardinality":"strong","sql_compatibility":"full_sql"}` |
| integrations.count | 60 | 7 |
| integrations.list | `[{"name":"Amazon SNS"},{"name":"Discord"},{"name":"incident.io"},{"name":"Jira"},{"name":"Mattermost"},{"name":"Microsoft Teams"},{"name":"OpsGenie"},{"name":"PagerDuty"},{"name":"Pushover"},{"name":"Rocket.Chat"},{"name":"Slack"},{"name":"Telegram"},{"name":"VictorOps"},{"name":"Webex"},{"name":"WeChat"},{"name":"Webhook"},{"name":"Email"},{"name":"WeChat Work","native":true,"category":"chat","direction":"outbound"},{"name":"Blackbox Exporter","native":true,"category":"monitoring","direction":"inbound"},{"name":"Consul","native":true,"category":"service_discovery","direction":"inbound"},{"name":"Graphite","native":true,"category":"metrics_collection","direction":"inbound"},{"name":"Memcached","native":true,"category":"metrics_collection","direction":"inbound"},{"name":"MySQL","native":true,"category":"metrics_collection","direction":"inbound"},{"name":"Node Exporter","native":true,"category":"metrics_collection","direction":"inbound"},{"name":"StatsD","native":true,"category":"metrics_collection","direction":"inbound"},{"name":"Grafana Mimir","category":"monitoring"},{"name":"Thanos","category":"monitoring"},{"name":"VictoriaMetrics","category":"monitoring"},{"name":"Splunk","category":"monitoring"},{"name":"New Relic","category":"monitoring"},{"name":"Sysdig Monitor","category":"monitoring"},{"name":"SignalFx","category":"monitoring"},{"name":"Wavefront","category":"monitoring"},{"name":"Instana","category":"monitoring"},{"name":"InfluxDB","category":"database"},{"name":"Elasticsearch","category":"database"},{"name":"CrateDB","category":"database"},{"name":"M3DB","category":"database"},{"name":"GreptimeDB","category":"database"},{"name":"OpenTSDB","category":"database"},{"name":"Cortex","category":"storage"},{"name":"AWS Timestream","category":"cloud"},{"name":"Azure Data Explorer","category":"cloud"},{"name":"Google BigQuery","category":"cloud"},{"name":"Google Cloud Spanner","category":"cloud"},{"name":"AppOptics","category":"monitoring"},{"name":"Kafka","category":"messaging"},{"name":"Kubernetes","native":true,"category":"infrastructure"},{"name":"Ansible Tower","category":"automation"},{"name":"All Quiet","category":"incident_management"},{"name":"Rootly","category":"incident_management"},{"name":"Parny","category":"incident_management"},{"name":"Better Uptime","category":"incident_management"},{"name":"Asana","category":"collaboration"},{"name":"Notion","category":"collaboration"},{"name":"Matrix","category":"chat"},{"name":"Zulip","category":"chat"},{"name":"AWS SNS","category":"notifications"},{"name":"Phabricator","category":"project_management"},{"name":"NetBox","category":"infrastructure"},{"name":"Fastly","category":"cdn"},{"name":"NS1","category":"dns"},{"name":"ElastiCache","category":"cloud"},{"name":"OpenObserve","category":"monitoring"},{"name":"Mezmo","category":"logging"}]` | `[{"name":"Java"},{"name":"Python"},{"name":"Go"},{"name":"MQTT","native":true,"category":"iot","direction":"inbound"},{"name":"Kafka","native":true,"category":"data_streaming","direction":"bidirectional"},{"name":"OPC","native":true,"category":"industrial","direction":"inbound"},{"name":"PI System","native":true,"category":"industrial","direction":"bidirectional"},{"name":"Excel","native":true,"category":"business_intelligence","direction":"outbound"},{"name":"Apache Pulsar","native":false,"category":"data_streaming","direction":"inbound"},{"name":"AVEVA Historian","native":false,"category":"industrial","direction":"inbound"}]` |
| language.primary | Go | C |
| license.spdx | Apache-2.0 | AGPL-3.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"US","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://prometheus.io","retrievedAt":"2026-08-14T16:35:31.505Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Free Tier","summary":"Free, up to 5,000 tags","features":["All TSDB and IDMP features","Official support available separately"],"components":[{"kind":"fixed","amount":0,"currency":"USD"}],"description":"Full functionality for up to 5,000 tags, suitable for evaluation, PoC, and small production deployments","contactSales":false,"includedLimits":{"tags":"5,000"}},{"free":false,"name":"Self-Hosted Annual License","summary":"From $12,500/year (7,500 tags). Pricing scales with deployment size.","features":["Standard support included","Product updates and patches"],"commitment":"annual","components":[{"kind":"fixed","amount":12500,"period":"year","currency":"USD"}],"description":"Annual subscription license for on-premises deployment, scaled by tag count","contactSales":false},{"free":false,"name":"Self-Hosted Perpetual License","summary":"From $31,250 (7,500 tags). One-time cost, pricing scales with deployment size.","features":["Perpetual usage rights","Optional annual support available"],"components":[{"kind":"one_time","amount":31250,"currency":"USD"}],"description":"One-time perpetual license for on-premises deployment, optional annual support","contactSales":false},{"free":false,"name":"Cloud - Starter","summary":"$970/month or $11,640/year","features":["Fully managed on AWS, Azure, or GCP","Managed infrastructure and operations"],"components":[{"kind":"fixed","amount":970,"period":"month","currency":"USD"},{"kind":"fixed","amount":11640,"period":"year","currency":"USD"}],"contactSales":false,"includedLimits":{"tags":"5,000"}},{"free":false,"name":"Cloud - Small","summary":"$1,740/month or $20,880/year","components":[{"kind":"fixed","amount":1740,"period":"month","currency":"USD"},{"kind":"fixed","amount":20880,"period":"year","currency":"USD"}],"contactSales":false},{"free":false,"name":"Cloud - Medium","summary":"$2,570/month or $30,840/year","components":[{"kind":"fixed","amount":2570,"period":"month","currency":"USD"},{"kind":"fixed","amount":30840,"period":"year","currency":"USD"}],"contactSales":false},{"free":false,"name":"Cloud - Large","summary":"$3,500/month or $42,000/year","components":[{"kind":"fixed","amount":3500,"period":"month","currency":"USD"},{"kind":"fixed","amount":42000,"period":"year","currency":"USD"}],"contactSales":false},{"free":false,"name":"Cloud - XLarge","summary":"$5,220/month or $62,640/year","components":[{"kind":"fixed","amount":5220,"period":"month","currency":"USD"},{"kind":"fixed","amount":62640,"period":"year","currency":"USD"}],"contactSales":false,"includedLimits":{"tags":"80,000"}}],"addOns":[{"name":"High Availability","components":[{"of":"base plan","kind":"percentage","rate":30}]},{"name":"Premium Support (24/7)"},{"name":"Optional Annual Support (Free Tier)","components":[{"kind":"fixed","amount":3375,"period":"year","currency":"USD"}]}],"summary":"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.","currency":"USD","freeTier":true,"sourceUrl":"https://tdengine.com/pricing/","retrievedAt":"2026-10-13T13:57:09.396Z","startingPrice":{"amount":970,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | high |
| pricing.starting_price | - | `{"amount":970,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| release.cadence_days | 7 | 28 |
| release.history | `[{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.13.4","date":"2026-10-02T14:46:21Z","type":"stable","version":"v3.13.4"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.15.0","date":"2026-09-25T08:56:22Z","type":"stable","version":"v3.15.0"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.15.0-rc.1","date":"2026-09-22T10:07:36Z","type":"prerelease","version":"v3.15.0-rc.1"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.15.0-rc.0","date":"2026-09-14T19:17:49Z","type":"prerelease","version":"v3.15.0-rc.0"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.13.3","date":"2026-09-07T14:18:03Z","type":"stable","version":"v3.13.3"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.14.0","date":"2026-08-18T08:49:40Z","type":"stable","version":"v3.14.0"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.14.0-rc.0","date":"2026-08-11T11:05:32Z","type":"prerelease","version":"v3.14.0-rc.0"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.13.2","date":"2026-07-30T13:25:26Z","type":"stable","version":"v3.13.2"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.13.1","date":"2026-07-10T10:34:15Z","type":"stable","version":"v3.13.1"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.5.5","date":"2026-07-09T08:41:56Z","type":"stable","version":"v3.5.5"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.13.0","date":"2026-07-01T14:09:29Z","type":"stable","version":"v3.13.0"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.13.0-rc.1","date":"2026-06-22T16:45:27Z","type":"prerelease","version":"v3.13.0-rc.1"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.13.0-rc.0","date":"2026-07-09T08:16:34Z","type":"prerelease","version":"v3.13.0-rc.0"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.5.4","date":"2026-06-17T15:14:04Z","type":"stable","version":"v3.5.4"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.12.0","date":"2026-05-28T17:40:13Z","type":"stable","version":"v3.12.0"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.12.0-rc.0","date":"2026-05-19T10:46:20Z","type":"prerelease","version":"v3.12.0-rc.0"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.11.3","date":"2026-04-27T15:56:23Z","type":"stable","version":"v3.11.3"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.5.3","date":"2026-04-27T14:55:57Z","type":"stable","version":"v3.5.3"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.11.2","date":"2026-04-13T15:17:52Z","type":"stable","version":"v3.11.2"},{"url":"https://github.com/prometheus/prometheus/releases/tag/v3.5.2","date":"2026-04-13T15:17:26Z","type":"stable","version":"v3.5.2"}]` | `[{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.4.1.6","date":"2026-04-30T02:07:04Z","type":"stable","version":"ver-3.4.1.6"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.4.1.0","date":"2026-04-01T14:18:08Z","type":"stable","version":"ver-3.4.1.0"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.4.0.9","date":"2026-03-02T12:27:15Z","type":"stable","version":"ver-3.4.0.9"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.4.0.2","date":"2026-02-02T09:15:26Z","type":"stable","version":"ver-3.4.0.2"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.4.0.0","date":"2026-01-08T02:43:19Z","type":"stable","version":"ver-3.4.0.0"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.8.8","date":"2025-12-02T13:40:22Z","type":"stable","version":"ver-3.3.8.8"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.8.4","date":"2025-11-04T02:12:50Z","type":"stable","version":"ver-3.3.8.4"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.8.1","date":"2025-10-11T08:51:59Z","type":"stable","version":"ver-3.3.8.1"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.8.0","date":"2025-09-30T06:44:35Z","type":"stable","version":"ver-3.3.8.0"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.7.5","date":"2025-08-28T01:51:47Z","type":"stable","version":"ver-3.3.7.5"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.7.0","date":"2025-07-29T08:24:00Z","type":"stable","version":"ver-3.3.7.0"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.6.13","date":"2025-07-01T12:29:08Z","type":"stable","version":"ver-3.3.6.13"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.6.9","date":"2025-06-03T11:44:31Z","type":"stable","version":"ver-3.3.6.9"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.6.6","date":"2025-05-15T07:53:55Z","type":"stable","version":"ver-3.3.6.6"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.6.3","date":"2025-04-15T00:58:09Z","type":"stable","version":"ver-3.3.6.3"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.6.0","date":"2025-03-25T11:58:53Z","type":"stable","version":"ver-3.3.6.0"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.5.8","date":"2025-02-28T14:18:53Z","type":"stable","version":"ver-3.3.5.8"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.5.2","date":"2025-01-20T07:07:35Z","type":"stable","version":"ver-3.3.5.2"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.5.0","date":"2025-01-02T08:27:47Z","type":"stable","version":"ver-3.3.5.0"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.4.8","date":"2024-12-03T03:24:06Z","type":"stable","version":"ver-3.3.4.8"}]` |
| reliability.status_page | - | yes |
| security.certifications | - | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"},{"name":"ISO 27001","status":"active"},{"name":"ISO 27017","status":"active"}]` |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | - |
| security.iso27001 | - | yes |
| security.scorecard | 8.1 | 4 |
| security.soc2 | - | yes |
| security.trust_center | https://prometheus.io/docs/operating/security/ | https://tdengine.com/security/ |
| security.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,"max_severity":null}` |

## Capabilities (Time-Series Databases)

| Capability | Prometheus | TDengine |
|---|:--:|:--:|
| **Query** |  |  |
| Query language (SQL / PromQL / InfluxQL-Flux / Graphite) | PromQL | SQL |
| SQL compatibility | Non-SQL | Full 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) | XOR2 float chunk encoding | - |
| **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 |

*Source: vioscaleAI. Generated 2026-10-16T17:47:13.785Z. "-" = undocumented, not absent.*