# ClickHouse vs TDengine

**Leader by vioscaleAI score:** ClickHouse

| Attribute | ClickHouse | TDengine |
|---|---|---|
| **vioscaleAI score** | 65.7 (60% (medium)) | 54.5 (71% (medium)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 1 | 7 |
| adoption.github_stars | 50,255 | 25,158 |
| content.faq | `[{"answer":"An open-source columnar database system designed to handle large-scale analytical workloads with extremely low latency. Excels at real-time analytics, observability (logs, metrics, traces), data warehousing, and AI/ML applications. It is indexed under Time-Series Databases.","source":"https://clickhouse.com/pricing","question":"What is ClickHouse?","confidence":0.6},{"answer":"ClickHouse offers a free tier, so you can start without paying. Paid plans start at $0.22 per hour. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://clickhouse.com","question":"Is ClickHouse free?","confidence":0.6},{"answer":"ClickHouse supports the web, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://clickhouse.com/pricing","question":"What platforms does ClickHouse support?","confidence":0.6},{"answer":"Yes. ClickHouse can be deployed cloud / SaaS, hybrid and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://clickhouse.com/pricing","question":"Can ClickHouse be self-hosted?","confidence":0.6},{"answer":"We have confirmed 11 integrations for ClickHouse, including Amazon S3, Kafka, Airbyte, Vector, PostgreSQL, MySQL, Microsoft Azure Data Factory and dbt, plus 3 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://clickhouse.com/pricing","question":"What does ClickHouse integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for ClickHouse. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as ClickHouse not holding them. Always confirm compliance directly before you rely on it.","source":"https://clickhouse.com/legal/agreements/security-addendum","question":"What security certifications does ClickHouse have?","confidence":0.7},{"answer":"Yes. ClickHouse 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/ClickHouse/ClickHouse","question":"Is ClickHouse open source?","confidence":0.95}]` | `[{"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 | `{"cloud":true,"hybrid":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` |
| description.long | A column-oriented database that processes analytical queries efficiently on large datasets using compression and vectorized execution. It supports fast aggregations and search over logs, metrics, and traces, with vector search capabilities for AI workloads. | Open-source time-series database for real-time processing of high-volume sensor data, supporting distributed deployment and AI-powered analytics. |
| features.capabilities | `{"hosting":"both","clustering":"distributed","data_model":"both","deployment":"self_hosted","compression":"columnar","replication":true,"sql_support":true,"ingest_model":"both","licence_class":"permissive_oss","managed_cloud":true,"vector_search":true,"query_language":"SQL","replication_ha":true,"high_cardinality":"strong","sql_compatibility":"full_sql","horizontal_scaling":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 | 100 | 7 |
| integrations.list | `[{"name":"Amazon S3"},{"name":"Kafka"},{"name":"Airbyte"},{"name":"Vector"},{"name":"PostgreSQL"},{"name":"MySQL"},{"name":"Microsoft Azure Data Factory"},{"name":"dbt"},{"name":"Calyptia"},{"name":"Dataddo"},{"name":"GrowthBook"},{"name":"OpenTelemetry","native":false,"category":"observability","direction":"inbound"},{"name":"HyperDX","native":true,"category":"visualization","direction":"bidirectional"},{"name":"Langfuse","native":true,"category":"observability","direction":"bidirectional"},{"name":"Cassandra","native":false},{"name":"Google","native":true,"category":"authentication","direction":"inbound"},{"name":"Microsoft","native":true,"category":"authentication","direction":"inbound"},{"name":"AWS","native":true,"category":"cloud","direction":"bidirectional"},{"name":"Google Cloud","native":true,"category":"cloud","direction":"bidirectional"},{"name":"Azure","native":true,"category":"cloud","direction":"bidirectional"},{"name":"GitHub","native":false,"category":"development","direction":"inbound"},{"name":"Slack","native":false,"category":"chat"}]` | `[{"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 | C++ | C |
| license.spdx | Apache-2.0 | AGPL-3.0 |
| market.availability | `{"hqCountry":"US","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"US","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true,"linux":true}` | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` |
| pricing | `{"type":"usage","plans":[{"free":false,"name":"Basic","features":["Up to 1 TB storage","1 availability zone","Export backups to own cloud account","Expert support with 1 business day response time","SSO with Google or Microsoft","Multi-factor authentication"],"components":[{"kind":"fixed","amount":53,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"TB"},"kind":"metered","amount":0.2181,"currency":"USD"}],"description":"Development and testing with limited storage","contactSales":false,"includedLimits":{"storage":"1 TB"}},{"free":false,"name":"Scale","features":["Unlimited storage","2+ availability zones","24x7 expert support with 1 hour response for Severity 1 issues","S3 role-based access","Automatic vertical scaling","Manual horizontal scaling"],"components":[{"kind":"fixed","amount":437,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"TB"},"kind":"metered","amount":0.2985,"currency":"USD"}],"description":"Production environments with unlimited scalable storage","contactSales":false,"includedLimits":{"storage":"Unlimited"}},{"free":false,"name":"Enterprise","features":["SAML SSO","Private regions","Enterprise support with 30 minute response time","Named Lead Support Engineer","Transparent data encryption and CMEK","HIPAA and PCI compliance"],"components":[{"kind":"fixed","amount":571,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"TB"},"kind":"metered","amount":0.3903,"currency":"USD"}],"description":"Enterprise deployments with compliance and advanced security controls","contactSales":false,"includedLimits":{"storage":"Unlimited"}}],"summary":"From $53/month plus usage-based compute and storage. Free tier with $300 credits for 30 days.","currency":"USD","freeTier":true,"sourceUrl":"https://clickhouse.com/pricing","retrievedAt":"2026-10-05T10:14:01.496Z","freeTrialDays":30,"startingPrice":{"amount":53,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"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 | freemium | freemium |
| pricing.price_level | mid | high |
| pricing.starting_price | `{"amount":53,"currency":"USD"}` | `{"amount":970,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 28 |
| release.history | `[{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.9.10.4-stable","date":"2026-10-04T07:07:07Z","type":"stable","version":"v26.9.10.4-stable"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.8.17.4-lts","date":"2026-10-04T16:53:21Z","type":"stable","version":"v26.8.17.4-lts"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.7.21.2-stable","date":"2026-10-04T15:39:19Z","type":"stable","version":"v26.7.21.2-stable"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.3.41.4-lts","date":"2026-10-04T14:18:22Z","type":"stable","version":"v26.3.41.4-lts"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.9.9.28-stable","date":"2026-10-03T18:04:59Z","type":"stable","version":"v26.9.9.28-stable"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.8.16.41-lts","date":"2026-10-03T16:29:58Z","type":"stable","version":"v26.8.16.41-lts"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.7.20.28-stable","date":"2026-10-03T15:08:53Z","type":"stable","version":"v26.7.20.28-stable"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.3.40.16-lts","date":"2026-10-03T13:51:37Z","type":"stable","version":"v26.3.40.16-lts"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.3.39.7-lts","date":"2026-10-02T12:39:18Z","type":"stable","version":"v26.3.39.7-lts"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.9.8.3-stable","date":"2026-10-01T15:14:40Z","type":"stable","version":"v26.9.8.3-stable"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.7.19.5-stable","date":"2026-10-01T13:48:36Z","type":"stable","version":"v26.7.19.5-stable"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.3.38.2-lts","date":"2026-10-01T12:32:21Z","type":"stable","version":"v26.3.38.2-lts"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.9.7.9-stable","date":"2026-09-30T15:30:54Z","type":"stable","version":"v26.9.7.9-stable"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.7.18.2-stable","date":"2026-09-30T13:56:44Z","type":"stable","version":"v26.7.18.2-stable"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.3.37.3-lts","date":"2026-09-30T12:37:27Z","type":"stable","version":"v26.3.37.3-lts"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.9.6.6-stable","date":"2026-09-29T17:05:48Z","type":"stable","version":"v26.9.6.6-stable"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.8.15.10-lts","date":"2026-09-29T15:11:15Z","type":"stable","version":"v26.8.15.10-lts"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.7.17.7-stable","date":"2026-09-29T13:50:16Z","type":"stable","version":"v26.7.17.7-stable"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.3.36.6-lts","date":"2026-09-29T12:29:53Z","type":"stable","version":"v26.3.36.6-lts"},{"url":"https://github.com/ClickHouse/ClickHouse/releases/tag/v26.9.5.2-stable","date":"2026-09-28T16:25:06Z","type":"stable","version":"v26.9.5.2-stable"}]` | `[{"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 | yes |
| security.certifications | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"},{"name":"ISO 27001","status":"active"},{"name":"HIPAA","status":"active"},{"name":"PCI DSS Level 1 Service Provider","level":"Level 1","status":"active"}]` | `[{"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.hipaa | yes | - |
| security.iso27001 | yes | yes |
| security.pci | yes | - |
| security.scorecard | 4.8 | 4 |
| security.soc2 | yes | yes |
| security.trust_center | https://clickhouse.com/legal/agreements/security-addendum | https://tdengine.com/security/ |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2FClickHouse%2FClickHouse&per_page=100","last_12m":0,"max_severity":null}` | `{"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 | ClickHouse | TDengine |
|---|:--:|:--:|
| **Query** |  |  |
| Query language (SQL / PromQL / InfluxQL-Flux / Graphite) | SQL | SQL |
| SQL compatibility | Full SQL | Full SQL |
| **Ingest** |  |  |
| Ingest model | Both | Push |
| **Model** |  |  |
| Data model | Both | Metrics (labels/tags) |
| **Lifecycle** |  |  |
| Downsampling / rollups | - | Continuous aggregates |
| Retention / TTL | - | - |
| **Storage** |  |  |
| Compression (columnar / delta / Gorilla) | columnar | - |
| **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 2026-10-16T20:07:56.551Z. "-" = undocumented, not absent.*