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Web Development · head to head

FastAPI vs Garden

FastAPI logo

FastAPI

Web Development

A modern, fast, high-performance web framework for building APIs with Python

From
Free
Free plan
Yes
Full reviewWebsite
Garden logo

Garden

Developer Tools

Kubernetes development and testing automation with shared caching, now owned by Incredibuild

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: FastAPI no built-in ORM, requires separate database libraries; Garden incredibuild acquired Garden in November 2024 and the pricing page now redirects to documentation, so there is no public commercial offer and no published roadmap for a team betting a platform on it.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which FastAPI and Garden actually diverge.

Attributes where FastAPI and Garden differ
AttributeFastAPIGarden
Pricing modelopen-sourceOpen source, no licence fee
PlatformsWebLinux, macOS, Windows, Kubernetes
CategoryWeb DevelopmentDeveloper Tools

Identical on both: starting price (Free), 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 FastAPI

Nothing recorded that Garden does not also cover.

Only in Garden

  • Action graph
  • Shared result caching
  • Remote Kubernetes environments
  • In-cluster builds
  • Same config everywhere
  • Hot reload sync
  • Helm and Kustomize support
  • Templating

What people use each for

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

FastAPI

  • Building production-ready REST APIs with automatic validationnot Garden
  • Serving machine learning model predictions as REST servicesnot Garden
  • Building crisis management and orchestration platformsnot Garden
  • Enabling real-time APIs with WebSocket connectionsnot Garden
  • Rapid API development reducing boilerplate code significantlynot Garden

Garden

  • A platform team whose integration test suite takes longer than the coffee break and needs caching to cut the loopnot FastAPI
  • An organisation with thirty or more services on Kubernetes where docker-compose no longer approximates productionnot FastAPI
  • Giving every developer an ephemeral namespace instead of queuing for one shared staging environmentnot FastAPI
  • Running the identical build and test definition locally and in CI so failures reproduce on a laptopnot FastAPI

Where each one falls short

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

FastAPI

  • No built-in ORM, requires separate database libraries
  • Python-only, cannot build with other languages
  • Async/await learning curve for developers new to async programming
  • Production deployment requires separate ASGI server configuration

Garden

  • Incredibuild acquired Garden in November 2024 and the pricing page now redirects to documentation, so there is no public commercial offer and no published roadmap for a team betting a platform on it.
  • It is tightly bound to Kubernetes, so teams running on ECS, Nomad, plain VMs or serverless get little from it and would need a different tool entirely.
  • The YAML action graph is a real configuration surface: a large monorepo needs someone to own and maintain Garden config as a first-class artefact, which is a standing platform-engineering cost.
  • Shared remote environments mean every developer needs cluster access and a cost allocation model, so cloud spend rises and namespace sprawl becomes a thing you have to police.
  • Caching correctness depends on declaring dependencies accurately; an under-declared action will serve a stale cached pass and hide a genuine test failure, which is a hard class of bug to notice.

Pricing, plan by plan

FastAPI

Free

No published plan breakdown. See the FastAPI review.

Garden

Free
  • Garden open sourceFree
    • Apache 2.0 licensed CLI
    • Full action graph and caching
    • Self-managed clusters
  • Commercial tier$undefined/year
    • Hosted caching and team features
    • Support and onboarding
    • Pricing no longer published since the Incredibuild acquisition

Which should you pick?

Choose FastAPI if

  • You want to start without paying.
FastAPI review

Choose Garden if

  • You need action graph.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, Kubernetes.
  • You also want shared result caching.
Garden review

Questions people ask

Is FastAPI or Garden better?
Neither clearly leads. FastAPI starts at Free and Garden at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, FastAPI or Garden?
FastAPI starts at Free and Garden at Free.
Does FastAPI or Garden run on more platforms?
FastAPI runs on Web. Garden runs on Linux, macOS, Windows, Kubernetes.
Can I use FastAPI for free?
Both have a free tier, so you can try either at no cost before committing.
What is FastAPI best used for?
FastAPI is most often used for building production-ready rest apis with automatic validation, serving machine learning model predictions as rest services, building crisis management and orchestration platforms, enabling real-time apis with websocket connections. Of those, building production-ready rest apis with automatic validation and serving machine learning model predictions as rest services are not what Garden is typically brought in for.
What can FastAPI do that Garden cannot?
Garden covers Action graph, Shared result caching, Remote Kubernetes environments, In-cluster builds.

Answered from the vendors’ own pages

FastAPI: Is FastAPI free to use?

Yes. FastAPI is free and open-source under the MIT License. It costs nothing to download, use, or deploy in production. An optional paid service, FastAPI Cloud, offers one-command deployment for additional convenience, but the core framework is free.

Source
Garden: Is Garden still maintained?

The open source project remains on GitHub under Incredibuild ownership, but the commercial pricing page redirects to the docs and there is no public paid offer.

FastAPI: Can I use FastAPI for commercial applications?

Yes. FastAPI's MIT License permits unrestricted commercial use, modification, and distribution. You can build and sell products powered by FastAPI without licensing fees or restrictions.

Source
Garden: Do I need Kubernetes?

Effectively yes. Garden is built around Kubernetes environments and offers little to teams on other runtimes.

FastAPI: Does FastAPI include a database or ORM?

No. FastAPI does not include a built-in database or ORM. You must add separate libraries like SQLAlchemy for database access. This gives flexibility to choose the database solution best suited to your project.

Source
Garden: Does it replace my CI system?

No. It runs inside GitHub Actions, GitLab CI or similar and speeds up what those pipelines execute.

FastAPI: What Python versions does FastAPI support?

FastAPI supports Python 3.7 and later. Older Python versions are not compatible, so you must run at least Python 3.7 to use FastAPI.

Source
Garden: What is the actual saving?

It comes from skipping builds and tests whose inputs have not changed, so the benefit scales with how many services you have and how often only a few change.

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