# Kestra vs Prefect

**Leader by vioscaleAI score:** Prefect

| Attribute | Kestra | Prefect |
|---|---|---|
| **vioscaleAI score** | 59 (54% (medium)) | 70 (76% (high)) |
| activity.commits_last_30d | - | 98 |
| adoption.dependent_repos | - | 767 |
| adoption.github_stars | - | 23,966 |
| adoption.package_downloads_weekly | - | 2,710,819 |
| content.faq | `[{"answer":"An open-source platform designed for orchestrating complex, long-running workflows across data pipelines, AI systems, and infrastructure operations. Supports multiple languages and deployment models (cloud, self-hosted, air-gapped), with built-in reliability features like retries, backfills, and comprehensive observability. It is indexed under Data Engineering Tools.","source":"https://kestra.io/pricing","question":"What is Kestra?","confidence":0.6},{"answer":"Kestra offers a free tier, so you can start without paying. Paid plans are also available: Open Source, Kestra Cloud and Kestra Enterprise. Pricing changes often, so verify at source before relying on it.","source":"https://kestra.io/pricing","question":"Is Kestra free?","confidence":0.6},{"answer":"Kestra 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://kestra.io/pricing","question":"What platforms does Kestra support?","confidence":0.6},{"answer":"Yes. Kestra can be deployed cloud / SaaS, hybrid, on-premise, air-gapped and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://kestra.io/pricing","question":"Can Kestra be self-hosted?","confidence":0.6},{"answer":"We have confirmed 40 integrations for Kestra, including Ansible, dbt, Spark, Airbyte, Dremio, Arrow Flight SQL, Git and Kubernetes, plus 32 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://kestra.io/pricing","question":"What does Kestra integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and GDPR for Kestra. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Kestra not holding them. Always confirm compliance directly before you rely on it.","source":"https://kestra.io/docs/configuration/security-and-secrets","question":"What security certifications does Kestra have?","confidence":0.7},{"answer":"Kestra is available worldwide. Its primary market is the United States.","source":"https://kestra.io/pricing","question":"Where is Kestra available?","confidence":0.5}]` | `[{"answer":"A workflow orchestration platform where you define workflows as plain Python functions, and Prefect handles scheduling, retries, caching, and recovery automatically. You can run workflows on Prefect's managed cloud infrastructure or deploy workers to your own infrastructure. It is indexed under Data Engineering Tools.","source":"https://www.prefect.io/pricing","question":"What is Prefect?","confidence":0.6},{"answer":"Prefect is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. A commercial or hosted edition starts at $100 per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://www.prefect.io/pricing","question":"Is Prefect free to use?","confidence":0.6},{"answer":"Prefect supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.prefect.io/pricing","question":"What platforms does Prefect support?","confidence":0.6},{"answer":"Yes. Prefect can be deployed cloud / SaaS, hybrid and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.prefect.io/pricing","question":"Can Prefect be self-hosted?","confidence":0.6},{"answer":"We have confirmed 12 integrations for Prefect, including Pydantic AI, OpenAI, AWS Secrets Manager, HashiCorp Vault, dbt, Slack, Snowflake and Redis, plus 4 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.prefect.io/pricing","question":"What does Prefect integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Prefect. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Prefect not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.prefect.io/security","question":"What security certifications does Prefect have?","confidence":0.7},{"answer":"Yes. Prefect 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/PrefectHQ/prefect","question":"Is Prefect open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"self_hosted":true}` |
| description.long | A language-agnostic platform that lets teams define and run business-critical workflows declaratively as code, with built-in scheduling, event-driven triggers, retries, failure handling, and full observability across cloud, on-premise, and air-gapped deployments. | A Python-native workflow automation platform that handles scheduling, retries, caching, and recovery for data pipelines and AI agent workflows, with both cloud-managed and self-hosted execution options. |
| features.capabilities | `{"cdc":false,"role":"orchestrator","lineage":true,"paradigm":"both","iso_27001":false,"dbt_native":true,"data_quality":true,"elt_pushdown":true,"python_first":true,"soc2_type_ii":true,"managed_cloud":true,"connector_count":"1900+","self_hosted_oss":true,"incremental_runs":true,"distributed_executor":true,"builder_ui_architecture":"visual_node_canvas","custom_http_webhook_catch_and_triggering":true,"native_llm_nodes_anthropic_openai_gemini":true,"on_premise_self_hosted_deployment_option":true,"bring_your_own_key_byok_for_llm_inference":true,"web_scraping_and_browser_automation_nodes":false,"sub_workflow_calling_and_reusable_templates":true,"human_in_the_loop_approval_steps_via_slack_email":true,"dynamic_conditional_routing_via_llm_classification":true,"unstructured_document_extraction_pdf_image_to_json":true}` | `{"role":"orchestrator","lineage":true,"paradigm":"batch","dbt_native":true,"python_first":true,"managed_cloud":true,"connector_count":"Not specified","self_hosted_oss":true,"incremental_runs":true,"distributed_executor":true}` |
| integrations.count | 2,000 | 6 |
| integrations.list | `[{"name":"Ansible"},{"name":"dbt"},{"name":"Spark"},{"name":"Airbyte"},{"name":"Dremio"},{"name":"Arrow Flight SQL"},{"name":"Git"},{"name":"GitHub"},{"name":"GitHub Actions"},{"name":"Kubernetes"},{"name":"Docker"},{"name":"Terraform"},{"name":"Slack"},{"name":"S3"},{"name":"Azure Data Lake Storage"},{"name":"Postgres"},{"name":"JDBC databases"},{"name":"HTTP APIs"},{"name":"Polars"},{"name":"Python"},{"name":"Bash"},{"name":"Node.js"},{"name":"Go"},{"name":"Apache Kafka"},{"name":"Apache Spark"},{"name":"PagerDuty"},{"name":"PostgreSQL"},{"name":"OpenAI"},{"name":"Anthropic"},{"name":"Google Gemini"},{"name":"Perplexity"},{"name":"Google Analytics"},{"name":"Salesforce"},{"name":"Facebook Ads"},{"name":"RabbitMQ"},{"name":"Yahoo Finance"},{"name":"AWS Secrets Manager"},{"name":"HashiCorp Vault"},{"name":"Google Cloud"},{"name":"Google BigQuery"},{"name":"R"},{"name":"Java"},{"name":"Julia"},{"name":"Ruby"},{"name":"Shell"},{"name":"AWS","native":true,"category":"cloud","direction":"bidirectional"},{"name":"Google Cloud Platform","native":true,"category":"cloud","direction":"bidirectional"},{"name":"Azure","native":true,"category":"cloud","direction":"bidirectional"},{"name":"Dataform","native":true,"category":"data_transformation","direction":"bidirectional"},{"name":"Apache Tika","native":false,"category":"document_processing","direction":"outbound"},{"name":"Gemini","native":true,"category":"ai_llm","direction":"outbound"},{"name":"Azure Key Vault","native":true,"category":"secrets_management","direction":"inbound"},{"name":"Google Secret Manager","native":true,"category":"secrets_management","direction":"inbound"},{"name":"Kafka","native":true,"category":"streaming","direction":"bidirectional"},{"name":"Elasticsearch","native":true},{"name":"Datadog","native":true},{"name":"Splunk","native":true},{"name":"MySQL","native":true}]` | `[{"name":"Pydantic AI"},{"name":"OpenAI"},{"name":"AWS Secrets Manager"},{"name":"HashiCorp Vault"},{"name":"dbt"},{"name":"Slack","native":true,"category":"chat"},{"name":"Snowflake","native":true},{"name":"Redis","native":true},{"name":"Kubernetes","native":true},{"name":"Amazon ECS","native":true},{"name":"Docker","native":true},{"name":"Google Cloud Run","native":true},{"name":"GitHub","native":true},{"name":"AWS","native":true}]` |
| language.primary | - | Python |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Open Source","summary":"Free, self-hosted","description":"Self-hosted open-source version","contactSales":false},{"free":false,"name":"Kestra Cloud","summary":"Managed cloud with enterprise support","features":["Fully Managed Platform (Hosting, Upgrades, Monitoring)","Built-in Security and Governance Features","Customer Success Program & Enterprise Support with SLA","Audit Logs"],"commitment":"annual","description":"Fully managed cloud platform","contactSales":false},{"free":false,"name":"Kestra Enterprise","summary":"Enterprise self-hosted with advanced governance","features":["Run anywhere Cloud, On-Prem, Air-Gapped","RBAC, audit logs, secrets management, asset lineage","AI Copilot (Any LLM Cloud or Self-Hosted)","Human-in-the-Loop Approvals"],"commitment":"annual","description":"Self-hosted enterprise edition","contactSales":true}],"currency":"USD","freeTier":true,"sourceUrl":"https://kestra.io/pricing","retrievedAt":"2026-09-06T16:17:51.489Z","billingPeriods":["year"]}` | `{"type":"subscription","plans":[{"free":true,"name":"Hobby","features":["Workflow scheduling","Up to 5 deployments","500 minutes of Prefect Serverless","Workflow observability","Logging & alerting","7 days run retention"],"minSeats":2,"description":"Deploy workflows instantly. Scale when ready.","contactSales":false},{"free":false,"name":"Starter","features":["All Hobby features","Up to 20 deployments","75 hours of Prefect Serverless","Bring your own compute","Webhooks","1,250 API requests/min"],"minSeats":3,"components":[{"kind":"fixed","amount":100,"period":"month","currency":"USD"}],"contactSales":false},{"free":false,"name":"Team","features":["All Starter features","Up to 100 deployments","225 hours of Prefect Serverless","Service accounts","24 hour audit log"],"minSeats":4,"contactSales":false},{"free":false,"name":"Enterprise","features":["All Team features","SSO (SAML/OIDC)","RBAC + ACLs","Multiple workspaces","Directory Sync (SCIM)","IP allowlisting & PrivateLink","Unlimited deployments"],"minSeats":5,"contactSales":true}],"summary":"Free Hobby tier. Starter from $100/month. Team per-user monthly pricing. Enterprise custom quote.","currency":"USD","freeTier":true,"sourceUrl":"https://www.prefect.io/pricing","retrievedAt":"2026-10-05T11:05:17.530Z","startingPrice":{"amount":100,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | high |
| pricing.starting_price | - | `{"amount":100,"currency":"USD"}` |
| pricing.transparent | no | yes |
| release.cadence_days | - | 1 |
| release.history | - | `[{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.8.dev3","date":"2026-10-02T08:19:49Z","type":"prerelease","version":"3.8.8.dev3"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.8.dev2","date":"2026-10-01T08:21:27Z","type":"prerelease","version":"3.8.8.dev2"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.8.dev1","date":"2026-09-30T08:20:43Z","type":"prerelease","version":"3.8.8.dev1"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.7","date":"2026-09-26T23:41:44Z","type":"stable","version":"3.8.7"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.7.dev7","date":"2026-09-26T08:18:02Z","type":"prerelease","version":"3.8.7.dev7"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.7.dev6","date":"2026-09-23T08:19:42Z","type":"prerelease","version":"3.8.7.dev6"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.7.dev5","date":"2026-09-22T08:19:45Z","type":"prerelease","version":"3.8.7.dev5"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.7.dev4","date":"2026-09-19T08:16:49Z","type":"prerelease","version":"3.8.7.dev4"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.7.dev3","date":"2026-09-18T08:18:58Z","type":"prerelease","version":"3.8.7.dev3"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.7.dev2","date":"2026-09-16T08:19:54Z","type":"prerelease","version":"3.8.7.dev2"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.7.dev1","date":"2026-09-15T08:20:02Z","type":"prerelease","version":"3.8.7.dev1"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.6","date":"2026-09-14T14:18:53Z","type":"stable","version":"3.8.6"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.6.dev5","date":"2026-09-12T08:16:39Z","type":"prerelease","version":"3.8.6.dev5"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.6.dev4","date":"2026-09-11T08:19:03Z","type":"prerelease","version":"3.8.6.dev4"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.6.dev3","date":"2026-09-10T08:19:23Z","type":"prerelease","version":"3.8.6.dev3"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.6.dev2","date":"2026-09-09T08:19:24Z","type":"prerelease","version":"3.8.6.dev2"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.6.dev1","date":"2026-09-05T08:16:23Z","type":"prerelease","version":"3.8.6.dev1"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.5","date":"2026-09-03T21:25:46Z","type":"stable","version":"3.8.5"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.5.dev6","date":"2026-09-03T08:19:56Z","type":"prerelease","version":"3.8.5.dev6"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/2.20.26","date":"2026-09-02T18:17:41Z","type":"stable","version":"2.20.26"}]` |
| reliability.sla_pct | - | 99.9 |
| reliability.status_page | - | yes |
| security.certifications | `[{"name":"SOC 2","status":"active"}]` | `[{"name":"SOC 2 Type II","status":"active"}]` |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | yes |
| security.hipaa | - | yes |
| security.scorecard | - | 6.9 |
| security.soc2 | yes | yes |
| security.trust_center | https://kestra.io/docs/configuration/security-and-secrets | https://www.prefect.io/security |
| security.vulnerabilities | - | `{"count":8,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=prefect&per_page=100","last_12m":6,"max_severity":"HIGH"}` |

## Capabilities (Data Engineering Tools)

| Capability | Kestra | Prefect |
|---|:--:|:--:|
| **Core** |  |  |
| Tool role | Orchestrator | Orchestrator |
| Processing paradigm | Batch + streaming | Batch |
| **Connectivity** |  |  |
| Connector count | 1900+ | Not specified |
| CDC / log-based replication | ✗ | - |
| **Transformation** |  |  |
| In-warehouse transformation (push-down) | ✓ | - |
| dbt-native orchestration | ✓ | ✓ |
| **Deployment** |  |  |
| Self-hosted / open-source available | ✓ | ✓ |
| Managed cloud available | ✓ | ✓ |
| **Governance** |  |  |
| Data lineage / asset catalog | ✓ | ✓ |
| **Authoring** |  |  |
| Python-first authoring | ✓ | ✓ |
| **Execution** |  |  |
| Incremental / partition-aware runs | ✓ | ✓ |
| **Quality** |  |  |
| Built-in data quality / tests | ✓ | - |
| **Scale** |  |  |
| Horizontal scale (distributed executor) | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T21:23:52.923Z. "-" = undocumented, not absent.*