Comparison

Estuary Flow vs Meltano

On the evidence we track, Estuary Flow leads this comparison with a composite score of 80/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Estuary Flow80
Meltano63
Score
vioscaleAI score
Estuary Flow80 / 100medium · 72%
Meltano63 / 100low · 36%
Pricing
Free tier
Estuary Flow✓
Meltano✓
Model
Estuary Flowfreemium
Meltanofreemium
Price level
Estuary Flowmid
Meltanolow
Starting price
Estuary Flow$50
Meltano–
Transparent
Estuary Flow✓
Meltano✓
Integrations
Count
Estuary Flow200
Meltano600
Security
Certifications
Estuary FlowSOC 2 Type II
Meltano–
Disclosure policy
Estuary Flow–
Meltano✓
Gdpr
Estuary Flow✓
Meltano✓
Hipaa
Estuary Flow✓
Meltano–
Soc2
Estuary Flow✓
Meltano–
Trust center
Reliability
Sla pct
Estuary Flow99.9
Meltano–
Status page
Estuary Flow✓
Meltano–
Adoption
Dependent repos
Estuary Flow–
Meltano42
Github stars
Estuary Flow–
Meltano2,657
Activity
Commits last 30d
Estuary Flow–
Meltano91
Release
Cadence days
Estuary Flow–
Meltano7
History
Estuary Flow–
Meltano20 items
License
Spdx
Estuary Flow–
MeltanoMIT
Language
Primary
Estuary Flow–
MeltanoPython
Market
Availability
Content
Faq
Estuary Flow6 items
Meltano7 items

Capabilities

Feature-by-feature on the axes that matter for data engineering tools. “-” means undocumented, not absent.

Core
Tool role
Estuary FlowELT / ingestion
MeltanoELT / ingestion
Processing paradigm
Estuary FlowBatch + streaming
MeltanoBatch + streaming
Connectivity
Connector count
Estuary Flow200+
Meltano600+
CDC / log-based replication
Estuary Flow✓
Meltano✓
Transformation
In-warehouse transformation (push-down)
Estuary Flow✓
Meltano✓
dbt-native orchestration
Estuary Flow✓
Meltano✓
Deployment
Self-hosted / open-source available
Estuary Flow✓
Meltano✓
Managed cloud available
Estuary Flow✓
Meltano✓
Governance
Data lineage / asset catalog
Estuary Flow-
Meltano-
Authoring
Python-first authoring
Estuary Flow-
Meltano-
Execution
Incremental / partition-aware runs
Estuary Flow✓
Meltano✓
Quality
Built-in data quality / tests
Estuary Flow-
Meltano✓
Scale
Horizontal scale (distributed executor)
Estuary Flow✓
Meltano-

What each one is

The product in its own terms, so the numbers below have context.

Estuary Flow

Leader

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.

Independently observed

Meltano

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Estuary Flow

Leader
from $50/connector_instance (additional)/moHybridFree tier30-day trial

Free tier with 10 GB/month limit. Cloud plan: $0.50/GB data moved plus connector instance fees.

  • FreeFree
    • 2 connector instances
    • 10 GB/month data limit
    • Data stored in Estuary cloud storage
  • Cloud$0.50/GB data moved + $100/month per connector (first 6), $50/month each additional
    • Unlimited connector instances
    • Usage-based data pricing
    • Data stored in customer cloud account
    • Real-time CDC from databases
    • Batch and streaming data movement
    • +3 more
as of verify ↗

Meltano

HybridFree tier

Free open-source version. Managed cloud plans from Starter (200 compute hrs/mo) to Enterprise (unlimited). Pay for compute, not rows.

  • Starter-
    • 200 compute hours/mo
    • Managed infrastructure
    • 25 workspaces
    • Unlimited users
    • 600+ connectors
    • +5 more
  • Growth-
    • 2000 compute hours/mo
    • Everything in Starter
    • 100 workspaces
    • 8 hours of engineering on demand/mo
    • Shared account management
  • Scale-
    • 5000 compute hours/mo
    • Everything in Growth
    • Unlimited workspaces
    • 15 hours of engineering on demand/mo
    • Dedicated account management
    • +1 more
  • EnterpriseContact sales
    • Unlimited compute hours/mo
    • Everything in Scale
    • Custom connectors
    • Custom hours of engineering on demand/mo
    • Custom SLA
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Estuary Flow✓
Meltano✓
CLI
Estuary Flow✓
Meltano✓
Deployment
Cloud / SaaS
Estuary Flow✓
Meltano✓
Self-hosted
Estuary Flow✓
Meltano✓
Hybrid
Estuary Flow✓
Meltano✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (18)
  • Oracle
  • MySQL
  • PostgreSQL
  • Amazon S3
  • Google Cloud Storage
  • NetSuite
  • HubSpot
  • Salesforce
  • Apache Kafka
  • Snowflake
  • Amazon Redshift
  • Elasticsearch
  • MongoDB
  • Databricks
  • Facebook Ads
  • LinkedIn Ads
  • Google Ads
  • BigQuery

Estuary Flow

Leader
29 total - 11 not shared
  • Azure Blob Storage
  • Google Pub/Sub
  • Amazon Kinesis
  • Google BigQuery
  • Amazon DynamoDB
  • Pinecone
  • OpenAI
  • SingleStore
  • Motherduck
  • Apache Iceberg
  • Airbyte
Independently observed

Meltano

63 total - 45 not shared
  • Singer
  • dbt
  • Airflow
  • Great Expectations
  • Dagster
  • Superset
  • Slack
  • Google Analytics
  • dbt Cloud
  • Zendesk
  • Jira
  • Google Sheets
  • GitHub
  • GitLab
  • Freshdesk
  • Intercom
  • AWS S3
  • Looker
  • Data.world
  • Monday.com
  • Asana
  • Mailchimp
  • Airtable
  • ActiveCampaign
  • +21 more
Independently observed
Still deciding?

Estuary Flow or Meltano: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.