# Census vs Prefect

**Leader by Vioscale score:** Census

| Attribute | Census | Prefect |
|---|---|---|
| **Vioscale score** | 82.3 (74% (medium)) | 69.8 (76% (high)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 767 |
| adoption.github_stars | - | 23,691 |
| adoption.package_downloads_weekly | - | 2,710,819 |
| deployment.options | `{"cloud":true,"hybrid":true}` | `{"cloud":true,"hybrid":true,"self_hosted":true}` |
| description.long | A fully managed data integration platform that moves data from 900+ sources into warehouses, lakes, and applications, then transforms and activates it for analytics and AI. Supports real-time and scheduled synchronization with enterprise security and compliance certifications. | A workflow orchestration platform that enables teams to build resilient automated processes using Python, with features like automatic retries, state tracking, and run observability. Supports flexible deployment options ranging from managed cloud infrastructure to self-hosted environments on Kubernetes or user-provided compute. |
| features.capabilities | `{"cdc":true,"role":"elt","lineage":false,"paradigm":"both","dbt_native":true,"data_quality":false,"elt_pushdown":true,"python_first":false,"managed_cloud":true,"connector_count":"900+ sources and destinations","self_hosted_oss":false,"incremental_runs":true,"distributed_executor":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 | 900 | 5 |
| integrations.list | `[{"name":"Snowflake"},{"name":"Google BigQuery"},{"name":"Salesforce"},{"name":"Databricks"},{"name":"AWS Redshift"},{"name":"Azure Synapse"},{"name":"Marketo"},{"name":"HubSpot"},{"name":"Zendesk"},{"name":"Braze"},{"name":"Facebook Ads"},{"name":"Google Ads"},{"name":"Postgres"},{"name":"MySQL"}]` | `[{"name":"Pydantic AI"},{"name":"OpenAI"},{"name":"AWS Secrets Manager"},{"name":"HashiCorp Vault"},{"name":"dbt"}]` |
| language.primary | - | Python |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"hqCountry":"US","primaryMarkets":["US","EU"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"usage","plans":[{"free":true,"name":"Free","summary":"Free up to 500k MAR connections, 3.5k MAR activations, 5k MMR transformations","features":["Access to core platform","700+ connectors","200+ activation destinations","dbt Core integration"],"description":"Introductory offering for low-volume data with core platform functionality","contactSales":false,"includedLimits":{"activations_mar":"3.5k/month","connections_mar":"500k/month","transformations_mmr":"5k/month"}},{"free":false,"name":"Standard","summary":"Usage-based pricing on Monthly Active Rows; $5 base charge per connection (1-1M MAR range)","features":["Unlimited users","15-minute syncs","700+ fully managed connectors","200+ fully managed activation destinations","dbt Core integration","Role-based access control","REST API access","SSH tunnels"],"commitment":"monthly","components":[{"kind":"fixed","amount":5,"period":"month","currency":"USD"}],"description":"Core platform functionality for teams automating data movement","contactSales":false,"includedLimits":{}},{"free":false,"name":"Enterprise","summary":"All Standard features plus premium sync speed and deployment flexibility","features":["All Standard features","1-minute syncs","Fivetran Activations Audience Hub","Enterprise database connectors","Custom roles","VPN tunnels","SCIM/user provisioning","Multi-cloud provider choice (GCP/AWS/Azure)","Hybrid deployment"],"commitment":"annual","description":"Greater platform flexibility and granular control for scale","contactSales":false,"includedLimits":{}},{"free":false,"name":"Business Critical","summary":"Enterprise-grade security with customer-controlled encryption and advanced compliance","features":["All Enterprise features","Customer-managed keys for encryption","PCI DSS Level 1 certification","Private networking options"],"commitment":"annual","description":"Highest data protection and compliance for regulated or sensitive data","contactSales":false,"includedLimits":{}}],"addOns":[{"name":"Professional Services"},{"name":"Enterprise License Agreement"}],"summary":"Free tier available. Usage-based pricing starting $5/month base + per-MAR metering. Annual contracts save up to 22%. Enterprise License Agreements available for fixed annual pricing.","currency":"USD","freeTier":true,"sourceUrl":"https://www.getcensus.com/pricing","retrievedAt":"2026-08-13T22:21:48.361Z","freeTrialDays":14,"startingPrice":{"amount":5,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"subscription","plans":[{"free":true,"name":"Hobby","summary":"Free forever","features":["workflow scheduling","workflow observability","logging & alerting"],"minSeats":2,"description":"Starter tier for individual workflows","contactSales":false,"includedLimits":{"users":"2","deployments":"5","run_retention":"7 days","serverless_compute":"500 min/mo"}},{"free":false,"name":"Starter","summary":"$100/mo","features":["bring your own compute","webhooks","API access"],"minSeats":3,"commitment":"monthly","components":[{"kind":"fixed","amount":100,"period":"month","currency":"USD"}],"description":"For teams bringing their own compute infrastructure","contactSales":false,"includedLimits":{"users":"3","deployments":"20","serverless_compute":"75 hours/mo","api_requests_per_min":"1250"}},{"free":false,"name":"Team","summary":"$100/user/mo","features":["service accounts","audit logging","team collaboration"],"minSeats":4,"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":100,"period":"month","currency":"USD"}],"description":"Multi-user collaboration with governance features","contactSales":false,"includedLimits":{"users":"4-8","deployments":"100","serverless_compute":"225 hours/mo","audit_log_retention_hours":"24"}},{"free":false,"name":"Enterprise","summary":"Custom pricing","features":["SSO (SAML/OIDC)","RBAC with object-level ACLs","multiple workspaces","directory sync (SCIM)","IP allowlisting","PrivateLink private networking"],"minSeats":5,"description":"Custom deployment with advanced security and compliance","contactSales":true,"includedLimits":{"deployments":"unlimited","serverless_compute":"custom"}}],"summary":"Free tier. Starter from $100/mo. Team at $100/user/mo. Enterprise custom pricing.","currency":"USD","freeTier":true,"sourceUrl":"https://www.prefect.io/pricing","retrievedAt":"2026-08-14T15:26:09.793Z","startingPrice":{"amount":100,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | high |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 1 |
| release.history | - | `[{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.4","date":"2026-08-25T17:15:13Z","type":"stable","version":"3.8.4"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.4.dev7","date":"2026-08-25T08:17:08Z","type":"prerelease","version":"3.8.4.dev7"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.4.dev6","date":"2026-08-22T08:08:27Z","type":"prerelease","version":"3.8.4.dev6"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.4.dev5","date":"2026-08-21T08:15:17Z","type":"prerelease","version":"3.8.4.dev5"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.4.dev4","date":"2026-08-20T08:14:17Z","type":"prerelease","version":"3.8.4.dev4"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.4.dev3","date":"2026-08-19T08:12:16Z","type":"prerelease","version":"3.8.4.dev3"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.4.dev2","date":"2026-08-18T08:12:04Z","type":"prerelease","version":"3.8.4.dev2"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.4.dev1","date":"2026-08-14T08:31:14Z","type":"prerelease","version":"3.8.4.dev1"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.3","date":"2026-08-13T18:53:23Z","type":"stable","version":"3.8.3"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.3.dev3","date":"2026-08-13T08:33:56Z","type":"prerelease","version":"3.8.3.dev3"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.3.dev2","date":"2026-08-12T08:32:30Z","type":"prerelease","version":"3.8.3.dev2"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.3.dev1","date":"2026-08-11T08:23:35Z","type":"prerelease","version":"3.8.3.dev1"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.2","date":"2026-08-07T21:15:48Z","type":"stable","version":"3.8.2"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.2.dev6","date":"2026-08-07T08:27:11Z","type":"prerelease","version":"3.8.2.dev6"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.2.dev5","date":"2026-08-06T08:59:18Z","type":"prerelease","version":"3.8.2.dev5"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.2.dev4","date":"2026-08-05T08:58:55Z","type":"prerelease","version":"3.8.2.dev4"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.2.dev3","date":"2026-08-04T09:00:27Z","type":"prerelease","version":"3.8.2.dev3"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.2.dev2","date":"2026-08-03T09:13:20Z","type":"prerelease","version":"3.8.2.dev2"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.2.dev1","date":"2026-08-01T08:49:58Z","type":"prerelease","version":"3.8.2.dev1"},{"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.8.1","date":"2026-07-30T21:15:25Z","type":"stable","version":"3.8.1"}]` |
| reliability.sla_pct | - | 99.99 |
| reliability.status_page | yes | yes |
| security.gdpr | yes | yes |
| security.hipaa | yes | yes |
| security.iso27001 | yes | - |
| security.pci | yes | - |
| security.scorecard | - | 6.9 |
| security.soc2 | yes | yes |
| 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 | Census | Prefect |
|---|:--:|:--:|
| **Core** |  |  |
| Tool role | ELT / ingestion | Orchestrator |
| Processing paradigm | Batch + streaming | Batch |
| **Connectivity** |  |  |
| Connector count | 900+ sources and destinations | 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: Vioscale. Generated 2026-09-01T15:05:33.692Z. "-" = undocumented, not absent.*
