# Estuary Flow vs Kestra

**Leader by vioscaleAI score:** Estuary Flow

| Attribute | Estuary Flow | Kestra |
|---|---|---|
| **vioscaleAI score** | 79.5 (72% (medium)) | 59 (54% (medium)) |
| content.faq | `[{"answer":"Estuary unifies ETL and ELT pipelines with real-time CDC, streaming, and batch data movement in a single managed platform. Data stays in your environment while Estuary handles continuous capture, transformation, and delivery to any destination. It is indexed under Data Engineering Tools.","source":"https://estuary.dev/pricing/","question":"What is Estuary Flow?","confidence":0.6},{"answer":"Estuary Flow offers a free tier, so you can start without paying. Paid plans start at $0.50. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://estuary.dev/pricing/","question":"Is Estuary Flow free?","confidence":0.6},{"answer":"Estuary Flow supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://estuary.dev/pricing/","question":"What platforms does Estuary Flow support?","confidence":0.6},{"answer":"Yes. Estuary Flow can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://estuary.dev/pricing/","question":"Can Estuary Flow be self-hosted?","confidence":0.6},{"answer":"We have confirmed 28 integrations for Estuary Flow, including Oracle, MySQL, PostgreSQL, Amazon S3, Google Cloud Storage, Azure Blob Storage, NetSuite and HubSpot, plus 20 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://estuary.dev/pricing/","question":"What does Estuary Flow integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Estuary Flow. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Estuary Flow not holding them. Always confirm compliance directly before you rely on it.","source":"https://estuary.dev/pricing/","question":"What security certifications does Estuary Flow have?","confidence":0.6}]` | `[{"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}]` |
| deployment.options | `{"cloud":true,"hybrid":true,"self_hosted":true}` | `{"cloud":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` |
| description.long | Estuary is a fully managed data integration platform that consolidates the capture, movement, and transformation of data across databases, cloud storage, and applications. It supports continuous streaming, scheduled batch operations, and optional transformations using SQL, TypeScript, or dbt. | 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. |
| features.capabilities | `{"cdc":true,"role":"elt","soc2":true,"paradigm":"both","dbt_native":true,"cdc_support":true,"elt_pushdown":true,"managed_cloud":true,"connector_count":"200+","self_hosted_oss":true,"incremental_runs":true,"reverse_etl_addon":true,"streaming_ingestion":true,"custom_connector_sdk":true,"distributed_executor":true,"schema_drift_handling":true,"self_hosted_available":true,"managed_cloud_available":true}` | `{"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}` |
| integrations.count | 200 | 2,000 |
| integrations.list | `[{"name":"Oracle"},{"name":"MySQL"},{"name":"PostgreSQL"},{"name":"Amazon S3"},{"name":"Google Cloud Storage"},{"name":"Azure Blob Storage"},{"name":"NetSuite"},{"name":"HubSpot"},{"name":"Salesforce"},{"name":"Google Pub/Sub"},{"name":"Amazon Kinesis"},{"name":"Apache Kafka"},{"name":"Snowflake"},{"name":"Google BigQuery"},{"name":"Amazon Redshift"},{"name":"Elasticsearch"},{"name":"MongoDB"},{"name":"Amazon DynamoDB"},{"name":"Pinecone"},{"name":"OpenAI"},{"name":"Databricks"},{"name":"Facebook Ads"},{"name":"LinkedIn Ads"},{"name":"Google Ads"},{"name":"SingleStore"},{"name":"Motherduck"},{"name":"Apache Iceberg"},{"name":"BigQuery","native":true,"category":"data_warehouse"},{"name":"Airbyte","native":false,"category":"connectors"}]` | `[{"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}]` |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"No cost, data-limited evaluation","features":["2 connector instances","10 GB/month data limit","Data stored in Estuary cloud storage"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Limited data volume with shared Estuary cloud storage","contactSales":false,"includedLimits":{"connector_instances":"2","data_volume_per_month":"10 GB"}},{"free":false,"name":"Cloud","summary":"$0.50/GB data moved + $100/month per connector (first 6), $50/month each additional","features":["Unlimited connector instances","Usage-based data pricing","Data stored in customer cloud account","Real-time CDC from databases","Batch and streaming data movement","SQL and TypeScript transformations","dbt integration for warehouse transformations","Schema evolution handling"],"components":[{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.5,"currency":"USD"},{"kind":"per_unit","unit":"connector_instance (first 6)","amount":100,"period":"month","currency":"USD"},{"kind":"per_unit","unit":"connector_instance (additional)","amount":50,"period":"month","currency":"USD"}],"description":"Usage-based pricing with data and connector instance charges; includes 30-day free trial","contactSales":false}],"summary":"Free tier with 10 GB/month limit. Cloud plan: $0.50/GB data moved plus connector instance fees.","currency":"USD","freeTier":true,"sourceUrl":"https://estuary.dev/pricing/","retrievedAt":"2026-09-18T15:55:37.792Z","freeTrialDays":30,"startingPrice":{"unit":"connector_instance (additional)","amount":50,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"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"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | mid | low |
| pricing.starting_price | `{"amount":50,"currency":"USD"}` | - |
| pricing.transparent | yes | no |
| reliability.sla_pct | 99.9 | - |
| reliability.status_page | yes | - |
| security.certifications | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"}]` | `[{"name":"SOC 2","status":"active"}]` |
| security.gdpr | yes | yes |
| security.hipaa | yes | - |
| security.soc2 | yes | yes |
| security.trust_center | - | https://kestra.io/docs/configuration/security-and-secrets |

## Capabilities (Data Engineering Tools)

| Capability | Estuary Flow | Kestra |
|---|:--:|:--:|
| **Core** |  |  |
| Tool role | ELT / ingestion | Orchestrator |
| Processing paradigm | Batch + streaming | Batch + streaming |
| **Connectivity** |  |  |
| Connector count | 200+ | 1900+ |
| 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 2026-10-16T21:28:30.812Z. "-" = undocumented, not absent.*