Comparison

dlt vs Estuary Flow

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.

dlt full profile →Estuary Flow full profile →

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dlt65

★Estuary Flow80

Attribute comparison across 2 tools
Attribute	dlt	Estuary FlowLeader
vioscaleAI score	65 / 100low · 46%	80 / 100medium · 72%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	freemium
Price levelpricing.price_level	high	mid
Starting pricepricing.starting_price	$12,000	$50
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	5,000	200
Security
Certificationssecurity.certifications	-	SOC 2 Type II
Disclosure policysecurity.disclosure_policy	✓	-
Gdprsecurity.gdpr	✓	✓
Hipaasecurity.hipaa	-	✓
Soc2security.soc2	-	✓
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=dlt&per_page=100 · Last 12m: 0	-
Reliability
Sla pctreliability.sla_pct	-	99.9
Status pagereliability.status_page	✓	✓
Adoption
Dependent reposadoption.dependent_repos	23	-
Github starsadoption.github_stars	5,969	-
Activity
Commits last 30dactivity.commits_last_30d	36	-
Release
Cadence daysrelease.cadence_days	12	-
Historyrelease.history	20 items	-
License
Spdxlicense.spdx	Apache-2.0	-
Language
Primarylanguage.primary	Python	-
Market
Availabilitymarket.availability	Available worldwide · Popular in US	Available worldwide
Content
Faqcontent.faq	8 items	6 items

Score

vioscaleAI score

dlt65 / 100low · 46%

Estuary Flow80 / 100medium · 72%

Pricing

Free tier

dlt✓

Estuary Flow✓

Model

dltfreemium

Estuary Flowfreemium

Price level

dlthigh

Estuary Flowmid

Starting price

dlt$12,000

Estuary Flow$50

Transparent

dlt✓

Estuary Flow✓

Integrations

Count

dlt5,000

Estuary Flow200

Security

Certifications

dlt–

Estuary FlowSOC 2 Type II

Disclosure policy

dlt✓

Estuary Flow–

Gdpr

dlt✓

Estuary Flow✓

Hipaa

dlt–

Estuary Flow✓

Soc2

dlt–

Estuary Flow✓

Vulnerabilities

dltCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=dlt&per_page=100 · Last 12m: 0

Estuary Flow–

Reliability

Sla pct

dlt–

Estuary Flow99.9

Status page

dlt✓

Estuary Flow✓

Adoption

Dependent repos

dlt23

Estuary Flow–

Github stars

dlt5,969

Estuary Flow–

Activity

Commits last 30d

dlt36

Estuary Flow–

Release

Cadence days

dlt12

Estuary Flow–

History

dlt20 items

Estuary Flow–

License

Spdx

dltApache-2.0

Estuary Flow–

Language

Primary

dltPython

Estuary Flow–

Market

Availability

dltAvailable worldwide · Popular in US

Estuary FlowAvailable worldwide

Content

Faq

dlt8 items

Estuary Flow6 items

Capabilities

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

Capability comparison for Data Engineering Tools
Capability	dlt	Estuary Flow
Core
Tool role	ELT / ingestion	ELT / ingestion
Processing paradigm	Batch + streaming	Batch + streaming
Connectivity
Connector count	5,000+	200+
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)	-	✓

Core

Tool role

dltELT / ingestion

Estuary FlowELT / ingestion

Processing paradigm

dltBatch + streaming

Estuary FlowBatch + streaming

Connectivity

Connector count

dlt5,000+

Estuary Flow200+

CDC / log-based replication

dlt✓

Estuary Flow✓

Transformation

In-warehouse transformation (push-down)

dlt✓

Estuary Flow✓

dbt-native orchestration

dlt✓

Estuary Flow✓

Deployment

Self-hosted / open-source available

dlt✓

Estuary Flow✓

Managed cloud available

dlt✓

Estuary Flow✓

Governance

Data lineage / asset catalog

dlt✓

Estuary Flow-

Authoring

Python-first authoring

dlt✓

Estuary Flow-

Execution

Incremental / partition-aware runs

dlt✓

Estuary Flow✓

Quality

Built-in data quality / tests

dlt✓

Estuary Flow-

Scale

Horizontal scale (distributed executor)

dlt-

Estuary Flow✓

What each one is

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

dlt

A managed platform that enables teams to build, deploy, and monitor data pipelines with AI assistance, built on the open-source dlt library. It provides runtime management, observability, data quality monitoring, and team collaboration features for moving data from any source to any destination.

Independently observed

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

Pricing

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

dlt

from $12000/moHybridFree tier14-day trial

Free open-source tier. Hub plan from $12,000/month with 5,000 included credits. Tiered overage pricing. 14-day free trial.

dltFree
- Open source ingestion library
- Reliable ingestion and loading
- Limited verified OSS connectors
- AI help and community support
Hub$12,000/month with 5,000 credits included. Tiered overage pricing: $1.00–$0.80 per credit depending on volume.
- Everything in dlt
- AI Harness (Claude Code, Codex, Cursor)
- Managed runtime for ingestion
- Transformations & Data apps
- Data quality metrics & checks
- +18 more
EnterpriseContact sales
- Custom credits and volume pricing
- Enterprise security and governance controls
- Role-based access control (RBAC) and audit logs
- SLA and tailored support options
- Custom onboarding and architecture guidance

as of 2026-10-15verify ↗

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 2026-09-18verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	dlt	Estuary Flow
WebPlatforms	✓	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✓
HybridDeployment	✓	✓

Platforms

Web

dlt✓

Estuary Flow✓

CLI

dlt✓

Estuary Flow✓

Deployment

Cloud / SaaS

dlt✓

Estuary Flow✓

Self-hosted

dlt✓

Estuary Flow✓

Hybrid

dlt✓

Estuary Flow✓

Integrations

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

In common (12)

Salesforce
PostgreSQL
HubSpot
Snowflake
Databricks
BigQuery
MotherDuck
MySQL
Amazon S3
Google Cloud Storage
Apache Iceberg
OpenAI

dlt

46 total - 34 not shared

DuckDB
SQLite
Microsoft Azure
SFTP
Parquet
Apache Delta
DuckLake
Pydantic Logfire
Arize
Langfuse
LangChain
Apache Airflow
Dagster
AWS Lambda
Marimo
Hugging Face
Postgres
Redshift
Athena
Azure Storage
Delta Lake
Claude Code
Codex
Cursor
+10 more

Independently observed

Estuary Flow

Leader

29 total - 17 not shared

Oracle
Azure Blob Storage
NetSuite
Google Pub/Sub
Amazon Kinesis
Apache Kafka
Google BigQuery
Amazon Redshift
Elasticsearch
MongoDB
Amazon DynamoDB
Pinecone
Facebook Ads
LinkedIn Ads
Google Ads
SingleStore
Airbyte

Independently observed

Still deciding?

dlt or Estuary Flow: 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.