Dagster vs Temporal
A side-by-side comparison of two self-hosted automation & workflows options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Dagster | Temporal |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 95 · Excellent | 97 · Excellent |
| Category | Automation & Workflows | Automation & Workflows |
| License | Apache-2.0 | MIT |
| Language | Python | Go |
| Setup difficulty | Medium | Hard |
| Min. RAM | 2,048 MB | 2,048 MB |
| Deployment | docker, kubernetes, helm | docker, kubernetes, helm |
| GitHub stars | ★ 16,199 | ★ 23,263 |
| First released | 2019 | 2019 |
| Replaces | AWS Step Functions, Azure Data Factory | AWS Step Functions, Azure Logic Apps |
What are Dagster and Temporal?
Dagster
Dagster is an orchestration platform for data assets that emphasizes testability and observability. It models pipelines around the assets they produce and can be fully self-hosted.
- Asset-oriented orchestration
- Built-in testing and typing
- Integrated data lineage
- Web-based control plane
Temporal
Temporal is an open-source platform for building durable, reliable workflows in code. It guarantees that long-running business processes survive failures, restarts and infrastructure changes.
- Durable execution guarantees
- Workflows written in general-purpose code
- Automatic retries and state persistence
- SDKs for many languages
Dagster vs Temporal: key differences
Dagster is written in Python, while Temporal is built with Go. Licensing differs — Apache-2.0 for Dagster versus MIT for Temporal.
Why pick each one
Choose Dagster if…
- Strong developer tooling
- Great for data-centric teams
Watch out for
- Conceptual model takes time to learn
Choose Temporal if…
- Extremely reliable for long workflows
- Strong multi-language support
Watch out for
- Operationally complex to self-host
Frequently asked questions
Is Dagster or Temporal better?
Neither is universally better. Temporal has the larger community, while Dagster is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Dagster and Temporal free and open-source?
Yes. Dagster is licensed under Apache-2.0 and Temporal under MIT. Both can be self-hosted at no software cost.
Can I run Dagster and Temporal with Docker?
Dagster: yes. Temporal: yes.