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APIs · head to head

GraphQL Playground vs Windmill

GraphQL Playground logo

GraphQL Playground

APIs

GraphQL IDE and documentation tool for building GraphQL APIs

From
Free
Rated
-
Full reviewWebsite
Windmill logo

Windmill

Automation Integration

Open-source developer platform for building scripts, workflows, and internal apps

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: GraphQL Playground apollo's own documentation states GraphQL Playground is officially retired and no longer recommended, directing users to Apollo Sandbox instead; Windmill free self-hosted tier caps SSO users at 10 and workspaces at 3, requiring Enterprise for larger teams.
  • They diverge on capability: GraphQL Playground covers Query building, Windmill covers Script-to-workflow engine.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which GraphQL Playground and Windmill actually diverge.

Attributes where GraphQL Playground and Windmill differ
AttributeGraphQL PlaygroundWindmill
PlatformsWeb, Electron, Self-hostedweb, api, linux, windows, mac
CategoryAPIsAutomation Integration
Founded2018Unknown

Identical on both: starting price (Free), pricing model (open-source), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in GraphQL Playground

  • Query building
  • Schema introspection
  • Real-time testing
  • GraphQL servers
  • Apollo Studio
  • Custom servers
  • Web support
  • Electron support

Only in Windmill

  • Script-to-workflow engine
  • Auto-generated UIs
  • Self-hosted deployment
  • Git sync
  • SSO support
  • Audit logs

What people use each for

The jobs each tool is most often brought in to do.

GraphQL Playground

  • API Developmentnot Windmill
  • API Gatewaynot Windmill
  • API Testingnot Windmill
  • API Documentationnot Windmill
  • Microservicesnot Windmill

Windmill

  • Turning ad-hoc scripts into scheduled jobs and APIsnot GraphQL Playground
  • Building internal tools from existing Python/TypeScript codenot GraphQL Playground
  • Self-hosted automation for engineering teamsnot GraphQL Playground
  • Orchestrating multi-language workflowsnot GraphQL Playground

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

GraphQL Playground

  • Apollo's own documentation states GraphQL Playground is officially retired and no longer recommended, directing users to Apollo Sandbox instead

Windmill

  • Free self-hosted tier caps SSO users at 10 and workspaces at 3, requiring Enterprise for larger teams.
  • Compute unit and seat-based pricing (developer vs. operator seats, worker compute units) adds pricing complexity beyond a flat monthly fee.
  • Email triggers are capped at 100/day on the free tier, limiting event-driven use cases without upgrading.
  • Smaller ecosystem of pre-built integrations compared to more established automation tools like n8n.

Pricing, plan by plan

GraphQL Playground

Free
  • Open SourceFree
    • Full GraphQL IDE
    • Community support

Windmill

Free
  • Free / Open-sourceFree
    • Unlimited executions
    • Self-hosted deployment
    • Max 10 users with SSO
  • Enterprise$120/month
    • Unlimited executions and workspaces
    • Uncapped SSO seats
    • 24/7 priority support (3-hour response)

Which should you pick?

Choose GraphQL Playground if

  • You need query building.
  • You want to start without paying.
  • You work on Web, Electron, Self-hosted.
  • You also want schema introspection.
GraphQL Playground review

Choose Windmill if

  • You need script-to-workflow engine.
  • You want to start without paying.
  • You work on web, api, linux, windows, mac.
  • You also want auto-generated uis.
Windmill review

Questions people ask

Is GraphQL Playground or Windmill better?
Neither clearly leads. GraphQL Playground starts at Free and Windmill at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GraphQL Playground or Windmill?
GraphQL Playground starts at Free and Windmill at Free.
Does GraphQL Playground or Windmill run on more platforms?
GraphQL Playground runs on Web, Electron, Self-hosted. Windmill runs on web, api, linux, windows, mac.
Can I use GraphQL Playground for free?
Both have a free tier, so you can try either at no cost before committing.
What is GraphQL Playground best used for?
GraphQL Playground is most often used for api development, api gateway, api testing, api documentation. Of those, api development and api gateway are not what Windmill is typically brought in for.
What can GraphQL Playground do that Windmill cannot?
GraphQL Playground covers Query building, Schema introspection, Real-time testing, GraphQL servers. Windmill covers Script-to-workflow engine, Auto-generated UIs, Self-hosted deployment, Git sync.

Answered from the vendors’ own pages

GraphQL Playground: Is GraphQL Playground free to use?

GraphQL Playground is a testing tool for Apollo Server and is free to use as part of the Apollo Server documentation. However, the broader Apollo GraphQL platform has various paid tiers available for production use.

Source
Windmill: What does Windmill cost?

Windmill's Free and Open-source edition is $0/month for self-hosted use with unlimited executions, while Enterprise starts at $120/month with unlimited workspaces and uncapped SSO seats, priced further by developer/operator seats and compute units.

Source
GraphQL Playground: Is GraphQL Playground part of a paid product?

GraphQL Playground is a testing tool within the Apollo ecosystem. While Playground itself is free, Apollo offers paid tiers starting at $5 per million requests for the Developer tier, with Standard and Enterprise plans available at custom pricing.

Source
Windmill: Is there a free plan and what are its limits?

The free self-hosted plan supports unlimited executions but caps SSO at 10 users, workspaces at 3, groups/permissions at 4, and email triggers at 100 per day.

Source
GraphQL Playground: What is the cost structure for Apollo GraphQL's paid plans?

Apollo uses volume-based tiered pricing for requests: first 250M operations cost $5.00 per million plus $2.00 for performance add-on; next 750M operations are $4.25 per million plus $1.50 add-on; additional tiers scale down to $3.00 per million plus $0.50 add-on for operations over 5 billion.

Source
Windmill: How is usage metered on Windmill Enterprise?

Enterprise usage is metered through seats (developer seats at $20/month, operator seats at $10/month) and compute units, e.g. $100/month for 2 standard-worker compute units.

Source
Windmill: What happens to a self-hosted Windmill deployment if the company shuts down?

The pricing page addresses this directly as an FAQ topic, noting that self-hosted applications built on the open-source edition can continue running independently of Windmill the company.

Source
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