# Meltano vs Prefect

**Leader by vioscaleAI score:** Prefect

| Attribute | Meltano | Prefect |
|---|---|---|
| **vioscaleAI score** | 63.4 (36% (low)) | 70 (76% (high)) |
| activity.commits_last_30d | 91 | 98 |
| adoption.dependent_repos | 42 | 767 |
| adoption.github_stars | 2,657 | 23,966 |
| adoption.package_downloads_weekly | - | 2,710,819 |
| content.faq | `[{"answer":"Meltano provides a code-first approach to data integration, offering 600+ pre-built connectors with compute-time pricing and integrated governance. It enables teams to combine data extraction, loading, and transformation workflows with native dbt support and orchestration capabilities. It is indexed under Data Engineering Tools.","source":"https://meltano.com/pricingcalculator","question":"What is Meltano?","confidence":0.6},{"answer":"Meltano offers a free tier, so you can start without paying. Paid plans are also available: Starter, Growth, Scale and Enterprise. Pricing changes often, so verify at source before relying on it.","source":"https://meltano.com","question":"Is Meltano free?","confidence":0.6},{"answer":"Meltano 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://meltano.com/pricingcalculator","question":"What platforms does Meltano support?","confidence":0.6},{"answer":"Yes. Meltano can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://meltano.com/pricingcalculator","question":"Can Meltano be self-hosted?","confidence":0.6},{"answer":"We have confirmed 8 integrations for Meltano, including Singer, dbt, Airflow, PostgreSQL, Snowflake, Great Expectations, Dagster and Superset. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://meltano.com/pricingcalculator","question":"What does Meltano integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Meltano. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Meltano not holding them. Always confirm compliance directly before you rely on it.","source":"https://meltano.com/privacy-policy","question":"What security certifications does Meltano have?","confidence":0.7},{"answer":"Yes. Meltano is published under the MIT 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/meltano/meltano","question":"Is Meltano open source?","confidence":0.95}]` | `[{"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,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"self_hosted":true}` |
| description.long | Meltano provides teams with an open-source data integration engine that orchestrates extraction, loading, and transformation from multiple sources. It supports various replication methods and includes automatic data quality monitoring, with flexibility to deploy either in a managed cloud environment or as self-hosted infrastructure. | 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":true,"role":"elt","paradigm":"both","dbt_native":true,"data_quality":true,"elt_pushdown":true,"managed_cloud":true,"connector_count":"600+","self_hosted_oss":true,"incremental_runs":true,"streaming_ingestion":true,"custom_connector_sdk":true,"schema_drift_handling":true,"self_hosted_available":true,"managed_cloud_available":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 | 600 | 6 |
| integrations.list | `[{"name":"Singer"},{"name":"dbt"},{"name":"Airflow"},{"name":"PostgreSQL"},{"name":"Snowflake"},{"name":"Great Expectations"},{"name":"Dagster"},{"name":"Superset"},{"name":"Slack","native":true},{"name":"Salesforce","native":true},{"name":"Google Analytics","native":true},{"name":"BigQuery","native":true},{"name":"dbt Cloud","native":true},{"name":"HubSpot","native":true},{"name":"Zendesk","native":true},{"name":"Jira","native":true},{"name":"Google Sheets","native":true},{"name":"Amazon Redshift","native":true},{"name":"MySQL","native":true},{"name":"GitHub","native":true},{"name":"GitLab","native":true},{"name":"Freshdesk","native":true},{"name":"Intercom","native":true},{"name":"Apache Kafka","native":true},{"name":"AWS S3","native":true},{"name":"Looker","native":true},{"name":"Data.world","native":true},{"name":"Monday.com","native":true},{"name":"Asana","native":true},{"name":"Mailchimp","native":true},{"name":"LinkedIn Ads","native":true},{"name":"Airtable","native":true},{"name":"ActiveCampaign","native":true},{"name":"Marketo","native":true},{"name":"Microsoft SQL Server","native":true},{"name":"MongoDB","native":true},{"name":"Oracle","native":true},{"name":"Google Cloud Storage","native":true},{"name":"Amazon Advertising"},{"name":"Amazon S3"},{"name":"Auth0"},{"name":"BigCommerce"},{"name":"Chargebee"},{"name":"ClickHouse"},{"name":"Clickup"},{"name":"Close"},{"name":"Confluence"},{"name":"Contentful"},{"name":"Databricks"},{"name":"Datadog"},{"name":"DuckDB"},{"name":"eBay"},{"name":"Elasticsearch"},{"name":"Eventbrite"},{"name":"Facebook Ads"},{"name":"FreshBooks"},{"name":"Google Ads"},{"name":"Greenhouse"},{"name":"Kafka"},{"name":"Klaviyo"},{"name":"NetSuite"},{"name":"Postgres"},{"name":"Sumo Logic"}]` | `[{"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 | Python |
| license.spdx | MIT | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":false,"name":"Starter","features":["200 compute hours/mo","Managed infrastructure","25 workspaces","Unlimited users","600+ connectors","Reverse ETL included","AI Data engineer agent","Direct access to Meltano Engineers via Slack","Enterprise security","Best in class SLA"],"commitment":"monthly","description":"Get your first managed pipelines running in hours, not weeks","contactSales":false,"includedLimits":{"users":"unlimited","connectors":"600+","workspaces":"25","compute_hours":"200/mo"}},{"free":false,"name":"Growth","features":["2000 compute hours/mo","Everything in Starter","100 workspaces","8 hours of engineering on demand/mo","Shared account management"],"commitment":"monthly","description":"Scale pipelines with real engineering support baked in","contactSales":false,"includedLimits":{"connectors":"600+","workspaces":"100","compute_hours":"2000/mo"}},{"free":false,"name":"Scale","features":["5000 compute hours/mo","Everything in Growth","Unlimited workspaces","15 hours of engineering on demand/mo","Dedicated account management","Cost monitoring workspace included"],"commitment":"monthly","description":"Dedicated support. Full platform access. Nothing held back.","contactSales":false,"includedLimits":{"connectors":"600+","workspaces":"unlimited","compute_hours":"5000/mo"}},{"free":false,"name":"Enterprise","features":["Unlimited compute hours/mo","Everything in Scale","Custom connectors","Custom hours of engineering on demand/mo","Custom SLA"],"commitment":"monthly","description":"Truly custom. For organisations with serious data at scale.","contactSales":true,"includedLimits":{"connectors":"600+","compute_hours":"unlimited"}}],"summary":"Free open-source version. Managed cloud plans from Starter (200 compute hrs/mo) to Enterprise (unlimited). Pay for compute, not rows.","currency":"USD","freeTier":true,"sourceUrl":"https://meltano.com","retrievedAt":"2026-08-03T14:26:46.478Z","billingPeriods":["month"]}` | `{"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 | yes | yes |
| release.cadence_days | 7 | 1 |
| release.history | `[{"url":"https://github.com/meltano/meltano/releases/tag/v4.4.1","date":"2026-10-07T10:57:42Z","type":"stable","version":"v4.4.1"},{"url":"https://github.com/meltano/meltano/releases/tag/v4.4.0","date":"2026-09-29T13:20:16Z","type":"stable","version":"v4.4.0"},{"url":"https://github.com/meltano/meltano/releases/tag/v4.3.0","date":"2026-09-21T16:03:58Z","type":"stable","version":"v4.3.0"},{"url":"https://github.com/meltano/meltano/releases/tag/v4.2.2","date":"2026-07-22T15:52:24Z","type":"stable","version":"v4.2.2"},{"url":"https://github.com/meltano/meltano/releases/tag/v3.9.5","date":"2026-07-22T15:23:55Z","type":"stable","version":"v3.9.5"},{"url":"https://github.com/meltano/meltano/releases/tag/v4.2.1","date":"2026-06-16T22:28:01Z","type":"stable","version":"v4.2.1"},{"url":"https://github.com/meltano/meltano/releases/tag/v3.9.4","date":"2026-06-16T22:27:42Z","type":"stable","version":"v3.9.4"},{"url":"https://github.com/meltano/meltano/releases/tag/v3.9.3","date":"2026-04-13T20:41:28Z","type":"stable","version":"v3.9.3"},{"url":"https://github.com/meltano/meltano/releases/tag/v4.2.0","date":"2026-04-10T23:16:25Z","type":"stable","version":"v4.2.0"},{"url":"https://github.com/meltano/meltano/releases/tag/v4.1.2","date":"2026-02-03T03:20:00Z","type":"stable","version":"v4.1.2"},{"url":"https://github.com/meltano/meltano/releases/tag/v3.9.2","date":"2026-02-03T13:39:09Z","type":"stable","version":"v3.9.2"},{"url":"https://github.com/meltano/meltano/releases/tag/v4.1.1","date":"2026-01-31T18:19:50Z","type":"stable","version":"v4.1.1"},{"url":"https://github.com/meltano/meltano/releases/tag/v4.1.0","date":"2026-01-30T23:39:39Z","type":"stable","version":"v4.1.0"},{"url":"https://github.com/meltano/meltano/releases/tag/v4.0.9","date":"2026-01-19T19:14:48Z","type":"stable","version":"v4.0.9"},{"url":"https://github.com/meltano/meltano/releases/tag/v4.0.8","date":"2025-12-17T19:50:30Z","type":"stable","version":"v4.0.8"},{"url":"https://github.com/meltano/meltano/releases/tag/v4.0.7","date":"2025-12-09T02:51:42Z","type":"stable","version":"v4.0.7"},{"url":"https://github.com/meltano/meltano/releases/tag/v4.0.6","date":"2025-11-20T00:02:42Z","type":"stable","version":"v4.0.6"},{"url":"https://github.com/meltano/meltano/releases/tag/v4.0.5","date":"2025-11-04T15:26:22Z","type":"stable","version":"v4.0.5"},{"url":"https://github.com/meltano/meltano/releases/tag/v4.0.4","date":"2025-10-31T17:09:54Z","type":"stable","version":"v4.0.4"},{"url":"https://github.com/meltano/meltano/releases/tag/v4.0.3","date":"2025-10-30T22:13:48Z","type":"stable","version":"v4.0.3"}]` | `[{"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 Type II","status":"active"}]` |
| security.disclosure_policy | yes | yes |
| security.gdpr | yes | yes |
| security.hipaa | - | yes |
| security.scorecard | - | 6.9 |
| security.soc2 | - | yes |
| security.trust_center | https://meltano.com/privacy-policy | https://www.prefect.io/security |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=meltano&per_page=100","last_12m":0,"max_severity":null}` | `{"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 | Meltano | Prefect |
|---|:--:|:--:|
| **Core** |  |  |
| Tool role | ELT / ingestion | Orchestrator |
| Processing paradigm | Batch + streaming | Batch |
| **Connectivity** |  |  |
| Connector count | 600+ | 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 2026-10-16T19:03:50.298Z. "-" = undocumented, not absent.*