Dagster

Dagster is an open-source data orchestrator that models data assets and coordinates their development, execution, lineage, and monitoring. Dagster+ adds hosted and hybrid deployment options.

7.7/10 TechZella Score
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6 key claims verifiedOur editorial team checked this profile against vendor documentation, pricing information, product documentation. Supported by 5 documented sources.
Editorial overview

Aggregated Overview

Product documentation verifies asset orchestration, integrations, deployment choices, and tiered usage pricing. Public G2 coverage is limited to two reviews, too few for a reliable sentiment estimate.

This profile combines documented product information and independent evidence where available. It is not a hands-on test unless TechZella explicitly identifies one.

Overview

Dagster is an open-source orchestrator for developing, running, and observing data assets. Its asset-oriented model connects produced data, dependencies, and executions, rather than representing pipeline work only as a sequence of tasks.

Teams can use Dagster locally or self-host it, while Dagster+ adds hosted serverless and hybrid deployment. Dagster’s official integration catalog includes dbt, Snowflake, Fivetran, Databricks, AWS, and other data tools.

Prefect announced its acquisition of Dagster Labs on July 13, 2026. The announcement said Dagster would remain supported under its own name and open-source license.

Decision guide

Dagster Decision Snapshot

A quick way to understand who this product may suit, where its limits matter, and which facts are most relevant before you compare alternatives.

Best suited to

Python-oriented data teams coordinating dbt, ingestion, machine-learning, and warehouse assets that need explicit dependencies, lineage, checks, and operational visibility.

Look elsewhere if

Teams seeking a simple, non-code scheduler may find Dagster's Python-oriented asset model and self-managed deployment responsibilities a poor match. Dagster+ usage charges also require teams to estimate asset and operation activity, and should evaluate alternatives such as Prefect or Apache Airflow instead.

Platforms

AWS, Cloud, Docker, Kubernetes, Python

TechZella assessment

7.7/10

Decision context

Dagster — What Sets It Apart?

These are the product-specific differences that may matter when deciding whether the software fits your workflow. They are based on documented evidence rather than a universal ranking.

  • The asset model represents tables, models, and other data outputs directly, with dependency and lineage views connected to execution.
  • Its dbt integration maps individual dbt models, seeds, and snapshots into Dagster assets that can be selected and monitored.
  • Dagster+ offers serverless hosting or a hybrid arrangement where the orchestration backend is hosted and code executes in the customer environment.
Editorial assessment

Dagster Pros & Cons

Pros

  • Apache 2.0 open-source project supports self-hosting.
  • Asset-centric orchestration links data outputs with dependencies and lineage.
  • Official integration libraries cover dbt and numerous data infrastructure tools.
  • Dagster+ offers both serverless and hybrid deployment models.

Cons

  • Dagster+ Solo and Starter combine subscription fees with usage-based credit charges.
  • Serverless compute adds a per-minute charge; hybrid requires customer-operated infrastructure.
  • The GraphQL API is evolving and may include breaking changes.
  • G2 reports insufficient review volume for purchasing insight.
Operational limits

Dagster Gotchas & Operational Limits

These are documented constraints or practical friction points that may matter before you adopt the product.

Dagster+ Solo and Starter usage is metered by credits, with an additional per-minute fee for serverless compute.

Credit use depends on asset materializations and operation executions, so projected workflow activity affects recurring spend.

Evidence source ↗

The GraphQL API is still evolving and can include breaking changes.

Teams building external automation against it should review version changes and avoid assuming every endpoint is a stable public contract.

Evidence source ↗

Dagster Labs was acquired by Prefect in 2026, while Dagster and Dagster+ were stated to remain supported under their existing names.

Buyers should track future ownership communications while noting that the announcement said no immediate migration or deployment change was required.

Evidence source ↗
Plans & pricing

Dagster Pricing & Plans

Open source

$0
one-time

Dagster's core repository is Apache 2.0 licensed and can be self-hosted. Infrastructure and operations are the user's responsibility.

Check current pricing →

Solo

$10
month

One user, one code location, and one deployment. Includes usage charges of $0.040 per credit; serverless compute is $0.010 per minute.

Check current pricing →

Starter

$100
month

Up to three users, five code locations, and one deployment. Includes usage charges of $0.035 per credit; serverless compute is $0.010 per minute.

Check current pricing →

Pro

Contact Sales
custom

Enterprise plan with custom serverless compute, unlimited code locations and deployments, personalized onboarding, and uptime SLAs.

Check current pricing →

Pricing may change. Verify current plans on the vendor's website.

Cost context

Total Cost & Hidden Costs

Additional costs or implementation requirements that are documented in the available evidence.

Dagster+ usage

Solo is $10 per month plus $0.040 per credit; Starter is $100 per month plus $0.035 per credit. A credit counts asset materializations and operations executed.

Evidence source ↗

Serverless compute

Dagster+ lists serverless compute at $0.010 per minute for Solo and Starter. Hybrid deployments have no Dagster compute charge, but require customer-operated infrastructure.

Evidence source ↗

Implementation and infrastructure

Dagster+ Pro includes personalized onboarding support; public pricing does not state implementation hours or fees. Self-hosted infrastructure costs are not priced on the reviewed product pages.

Evidence source ↗
Compare options

Dagster Competitors & Alternatives

Compare similar products directly, then see which alternatives may make more sense when your requirements differ.

At a glance

Workflow Automation
Dagster compared with Prefect, Apache Airflow
Decision factorDagsterPrefectApache Airflow
Workflow modelModels data products as assets and their dependencies.Organizes Python workflows around flows and tasks. Source ↗Represents workflows as DAGs of tasks and dependencies. Source ↗
Deployment modelDagster+ offers serverless or hybrid deployment; open-source Dagster can be self-hosted.Prefect Cloud offers managed workflows, while Prefect also documents open-source self-hosted options. Source ↗Airflow documentation describes deployments assembled from scheduler, API server, processor, and other components, including Docker and Kubernetes options. Source ↗
Published cloud pricingDagster+ Solo starts at $10 per month plus usage credits; Starter starts at $100 per month plus credits.Prefect Cloud lists a free Hobby plan and a $100 per month Starter plan. Source ↗Not documented
License and pricing modelDagster's open-source repository is Apache 2.0 licensed; Dagster+ has paid usage-based plans.Not documentedApache Airflow is open-source software; the reviewed project documentation does not publish a managed-service price. Source ↗

Only factors supported by the available research are shown. The comparison is descriptive, not a ranking.

Direct competitors

These products address broadly similar requirements. The descriptions focus on documented reasons a buyer might compare them with Dagster.

Capabilities

Dagster Features

Orchestration

  • Asset-based and workflow-based orchestration
  • Partitions and backfills
  • Declarative automation
  • Branch deployments

Data quality and observability

  • Asset checks
  • Freshness policies
  • Asset-level lineage
  • Asset health and metadata
  • Pipeline and platform metrics

Integrations and API

  • dbt integration
  • Guides and libraries for Snowflake, Fivetran, Databricks, AWS, Azure, and Kubernetes
  • GraphQL API for querying runs and launching executions

Dagster+ hosting

  • Serverless deployments
  • Hybrid deployments with customer-operated agents
  • Email, Slack, and Microsoft Teams alerts
Visual preview

Demo & Screenshots

Product details

Dagster Specifications

LicenseApache 2.0 for open-source repository
APIGraphQL; documented as evolving
Primary development languagePython
Hosted deploymentDagster+ serverless or hybrid
Hybrid agent environmentsECS, Docker, Kubernetes, local
Free trial30 days for Dagster+
Usage metricCredits based on asset materializations and operations executed
Integrationsdbt, Snowflake, Fivetran, Databricks, AWS, Azure, Airbyte, and others
Deployment

Deployment & System Footprint

Verified installation, hosting, administration, or environment details that can affect implementation.

Hosted and hybrid optionsDagster+ offers serverless deployments or hybrid deployments with the backend hosted and an agent running in the customer's environment. Source ↗
Hybrid agent backendsDocumented agent backends include ECS, Docker, Kubernetes, and local processes. Source ↗
Exit planning

Migration & Lock-In

Documented portability, standards, export, or switching considerations. No switching-cost score is shown unless the evidence supports one.

Airflow coexistence and migration

Dagster describes Airlift capabilities for viewing Airflow execution alongside Dagster workflows and converting existing Airflow DAGs into Dagster assets.

Evidence source ↗

Data portability

Dagster+ lists data portability in its plan comparison; the reviewed public page does not specify export formats or migration procedures.

Evidence source ↗
Our evidence-based assessment

TechZella Score

A proprietary editorial score based on product capabilities, usability, value, performance, support and user sentiment evidence.

7.7/10Moderate confidence
Features8.7
Ease of Use7.0
Value for Money7.2
Performance8.0
Support7.5
User Sentiment7.0

Product documentation verifies asset orchestration, integrations, deployment choices, and tiered usage pricing. Public G2 coverage is limited to two reviews, too few for a reliable sentiment estimate.

Methodology v1.0. The assessment weighs feature coverage (25%), ease of use (15%), value for money (20%), performance (15%), support (10%) and user sentiment (15%), using researched product evidence and verified review evidence where available. It is a TechZella editorial assessment, not a direct user-review average.

Editorial transparency

Our Review Methodology

Key claims are linked to the sources used to verify them. This evidence record is separate from third-party user ratings.

TechZella evaluates software using documented product capabilities, pricing information, usability and value considerations, independent user evidence where available, and competitive context. The assessment is an editorial review, not a hands-on test unless one is explicitly identified. Our editorial assessment is based on 5 documented sources.

What TechZella adds
  • The asset model represents tables, models, and other data outputs directly, with dependency and lineage views connected to execution.
  • Its dbt integration maps individual dbt models, seeds, and snapshots into Dagster assets that can be selected and monitored.
  • Dagster+ offers serverless hosting or a hybrid arrangement where the orchestration backend is hosted and code executes in the customer environment.
Important limitations
  • Dagster+ Solo and Starter bills include both a monthly plan fee and usage-based credits; serverless deployments add a per-minute compute charge.
  • The GraphQL API documentation warns that the API is evolving and that much of it primarily serves internal webserver use.
  • Only two public G2 reviews were visible, and G2 says there is not enough review volume to provide buying insight.
Evidence-backed claims
Dagster's open-source repository uses the Apache 2.0 license.

The official repository identifies the Apache-2.0 license.

View source ↗Verified 2026-11-11
Dagster+ Solo is listed at $10 per month and Starter at $100 per month, with credit-based usage fees.

The official pricing page lists monthly plan fees, per-credit rates, and serverless compute pricing.

View source ↗Verified 2026-11-11
Dagster+ offers a 30-day free trial.

The pricing page lists a 30-day trial for Solo and Starter and states a 30-day trial is available.

View source ↗Verified 2026-11-11
Dagster provides documented integration guides and libraries for tools including dbt, Fivetran, Snowflake, Databricks, AWS, Azure, and Kubernetes.

The official integrations page lists these integration guides and libraries.

View source ↗Verified 2026-11-11
Dagster exposes a GraphQL API for programmatic interaction with runs, repositories, jobs, and execution launches.

Official documentation describes supported queries and mutations and cautions that the API is evolving.

View source ↗Verified 2026-11-11
Prefect announced its acquisition of Dagster Labs on July 13, 2026.

The official Dagster announcement says Dagster remains a supported product and its open-source project keeps its existing license.

View source ↗Verified 2026-11-11
Common questions

Dagster FAQs

Answers begin with the clearest available response, followed by the context that helps you act on it.

Does Dagster offer a free trial?
Yes. Dagster+ lists a 30-day free trial.
How does Dagster+ calculate usage?
Credits count asset materializations and operations executed. Serverless compute is separately priced per minute on Solo and Starter.
Can Dagster run in a customer's infrastructure?
Yes. Dagster+ Hybrid runs customer code through an agent in the customer's environment, with documented ECS, Docker, Kubernetes, and local agent options.
Does Dagster integrate with dbt?
Yes. Its dbt integration represents individual models, seeds, and snapshots as Dagster assets.
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