Argo Workflows vs Prefect (2026): which should you pick?
As of Nov 13, 2026, Argo Workflows and Prefect share a 2.4 GPA, both have a free plan, and Argo Workflows has no paid plan to buy, against $100 a month for Prefect.
Checked Nov 13, 2026 · graded Nov 13, 2026 by ToolGPA
They get the same grade on all five counts.
Price, platforms and features side by side. The table says where each price was read and when.
Argo Workflows
Open-source container-native workflow engine for Kubernetes
Prefect
Python workflow orchestration with an open-source core and a cloud
Which one is for you
Pick Argo Workflows if
- Fits if you already run Kubernetes and want container pipelines
- Works for platform teams who write workflows as code in YAML or Python
Look elsewhere if
- Skip it if you don't run Kubernetes, because it needs a cluster
- Not for you if you want vendor support, as help comes from the community
- Too light on hand-holding for non-engineers, since workflows are written as Kubernetes resources
- Watch out: the docs page would not load for us, so this card rests on the listing
Pick Prefect if
- Fits if you write Python and want scheduling, retries and run history
- Makes sense if you want an open-source core you can self-host
Look elsewhere if
- Not for you if you don't write code, as workflows are Python functions
- Tight if you grow past Hobby: 2 users, 5 deployments and 7 days of run history
- Pricey if you need Team: it starts at 4 users at $100 each, so $400 a month
- Watch out: SSO, SCIM, RBAC and an uptime SLA are Enterprise only
- Watch out: there is no free trial of paid plans, the Hobby plan stands in for it
How we grade them
| 2.4GPAArgo WorkflowsFair | 2.4GPAPrefectFair | |
|---|---|---|
| Value for money | C$0 for the software, but you run it on your own Kubernetes cluster, which isn't free. That puts it in the middle. | CThe open-source version is free to host yourself, which needs a server. Paid Cloud starts at $100 a month for 3 users, against a $19.99 middle for automation tools. |
| Free plan and trial | BOpen source with no paid tier, so you pay only for the cluster. | BA free Hobby plan: 2 users, 5 deployments, 500 minutes a month of serverless compute and 7 days of run retention. One person can live on that. |
| Features | BSteps, DAGs, templates, cron workflows, artifacts, retries, loops and access control. The core job is covered. | BFlows, scheduling, remote runs, managed compute, alerting and automations. SSO, SCIM and an SLA are Enterprise only, which the listing treats as plan gating. |
| Ease of use | DNo store rating on record. It needs a Kubernetes cluster and YAML definitions. | DNo store rating on record. You write Python and set up work pools, or self-host the server. |
| Platforms and integrations | BA web UI, with a Python SDK through Hera and 6 integrations. It runs on Kubernetes. | BWeb, an API and integrations with AWS, Databricks, dbt, Docker, Kubernetes, Slack, Snowflake and GitHub. No desktop or phone app. |
| Best for | running container jobs as workflows on Kubernetes | Python teams scheduling and tracking workflows |
The GPA is the average of the five grades: an A is 4 points, an F is none. The full reasons are on each tool's page: Argo Workflows and Prefect. How we grade
Price against what you get
Argo Workflows has no paid plan and scores 2.3 out of 4 on features, ease of use and platforms. Prefect starts at $100 a month and scores 2.3.
They score the same, and Argo Workflows starts $100 a month lower. Of the other automation tools on the chart, none scores higher than Argo Workflows for less, and 18 score higher than Prefect for less.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
Where they differ
- Argo Workflows also covers job scheduling.
- Prefect also covers AI agents.
At a glance
| Argo Workflows | Prefect | |
|---|---|---|
| Pricing | Free | Free plan |
| Starts at | Free | $100 per month, billed monthly (Starter, 3 users) |
| Free plan | None | Hobby plan: 2 users, up to 5 deployments, 500 minutes a month of Prefect Serverless and 7 days of run retention. |
| Free trial | None listed | None listed |
| Web | ||
| Made by | Argo Project Authors | Prefect Technologies, Inc. |
| Price read from | argo-workflows.readthedocs.io | prefect.io |
| Checked | Nov 13, 2026 | Nov 13, 2026 |
Worth knowing
Argo Workflows
- It needs a Kubernetes cluster; the project describes itself as a Kubernetes-native engine, not a hosted service.
- The project pages list no paid plan or vendor support; help comes from the community.
- Workflows are written as Kubernetes resource definitions, which assumes comfort with containers and YAML.
Prefect
- The Hobby plan stops at 2 users, 5 deployments and 7 days of run retention.
- Team starts at 4 users at $100 per user per month, so the cheapest Team bill is $400 a month.
- SSO, SCIM, object-level RBAC and an uptime SLA are Enterprise-only; Starter and Team have no SLA.
- The pricing page says it offers no free trial of paid plans; the Hobby plan serves that purpose.
Key features
Argo Workflows
- Container-per-step workflows
- Every step in a workflow is a container, and the engine runs them as Kubernetes pods on any cluster.
- Steps and DAGs
- Multi-step workflows can be written as an ordered sequence of tasks or as a directed acyclic graph that captures dependencies between tasks.
- Templates and cron workflows
- The docs list workflow templates, cluster workflow templates and cron workflows as custom resource kinds for reusing and scheduling work.
- Artifacts, retries and loops
- The user guide covers artifacts, parameters, loops, conditionals, retries, timeouts, exit handlers and suspending a running workflow.
- Access control
- Documentation covers service accounts and role-based access control for workflows.
- Python SDK through Hera
- The project points Python users to the Hera Python SDK for defining Argo workflows.
Prefect
- Flows from plain Python
- Adding a decorator to a Python function makes it a flow with retries, state tracking and artifacts, without a separate DAG definition language.
- Scheduling and deployments
- Flows are packaged as deployments that can be scheduled, triggered by webhooks or events, and run remotely on work pools you configure.
- Prefect Serverless
- Managed compute run by Prefect, so flows can run without hosting your own infrastructure. Each paid plan includes a monthly allowance of it.
- Observability and automations
- Run logs, alerting and event-driven automations that send notifications or trigger runs when something in a workflow changes state.
- Open-source core
- The orchestration framework is open source and can be self-hosted; Prefect Cloud is the hosted version with more governance and scale features.
- Security and compliance
- Prefect states SOC 2 Type II, HIPAA and GDPR alignment, with hybrid and VPC deployment options on higher plans.
Plans
Argo Workflows
Open source$0
Free software you install and run on your own Kubernetes cluster. The project pages list no paid plans.
Prefect
Hobby$0
2 users, 5 deployments, 500 min/mo of Prefect Serverless, logging and alerting, 7-day run retention.
Starter$100
per month for up to 3 users, billed monthly
20 deployments, 75 hours/mo of Prefect Serverless, bring your own compute, webhooks and 1,250 API requests/min.
Team$100
per user / month, for 4 to 8 users, billed monthly
100 deployments, 225 hours/mo of Prefect Serverless, service accounts, 24-hour audit log, email support.
EnterpriseCustom
SSO (SAML/OIDC), RBAC and ACLs, SCIM, multiple workspaces, unlimited deployments and a 99.9% uptime SLA. Annual billing; sold through sales.
Ways to pay less
Argo Workflows
No public discounts listed.
Prefect
- Startups
Prefect Startup Program
The pricing page says eligible startups get credits toward the Team plan through the Prefect Startup Program; qualification is by application.
Common questions
Which is cheaper, Argo Workflows or Prefect?
As of Nov 13, 2026, Argo Workflows is cheaper to start with: it is free, against $100 a month for Prefect. Argo Workflows is free, and Prefect starts at $100 per month, billed monthly (Starter, 3 users).
Which has a free plan, Argo Workflows or Prefect?
As of Nov 13, 2026, both Argo Workflows and Prefect have a free plan.
More comparisons
How this page was made
- The verdict at the top follows a fixed rule. When both tools are in the same category and either is in our top three for it, the verdict follows that ranking: the higher-placed tool is our pick. The top three weigh who each tool suits as well as its grades, so a pick can go against the GPA. Otherwise the page does not pick one and says which grades higher: the higher GPA first; on a tie, the one with a free plan, then the one that starts cheaper in dollars a month, counted the same way for both; if they are still level, what the choice depends on.
- The grades are our own, from each tool’s review or report card. The GPA is their average.
- Prices, plans and platforms come from each tool’s listing. The table above says where each price was read and when.
- The differences and the answers to the questions are worked out from those listings.