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Databases · head to head

FaunaDB vs Google Cloud Platform

FaunaDB logo

FaunaDB

Databases

Document-relational database whose hosted service closed in 2025 and whose core is now unmaintained Apache 2.0 code.

From
Free
Rated
-
Full reviewWebsite
Google Cloud Platform logo

Google Cloud Platform

Cloud

Trusted by millions of enterprises

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: FaunaDB the hosted service was wound down in 2025, so there is no managed Fauna to buy; every remaining user either operates a JVM cluster themselves or migrates, and both are projects rather than tasks.; Google Cloud Platform the $300 Free Trial credit expires 90 days from signup, whichever comes first with spending it
  • They diverge on capability: FaunaDB covers Document-relational model, Google Cloud Platform covers Compute Engine.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which FaunaDB and Google Cloud Platform actually diverge.

Attributes where FaunaDB and Google Cloud Platform differ
AttributeFaunaDBGoogle Cloud Platform
Pricing modelfreemiumusage-based
PlatformsWebWeb, Api, Cli
CategoryDatabasesCloud
Founded20122008

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 FaunaDB

  • Document-relational model
  • FQL v10
  • Distributed ACID transactions
  • HTTPS access
  • User-defined functions
  • Attribute-based access control
  • Document history
  • Event streaming

Only in Google Cloud Platform

  • Compute Engine
  • App Engine
  • Cloud Run
  • Cloud Storage
  • Cloud SQL
  • BigQuery
  • Dataflow
  • Cloud Pub/Sub

What people use each for

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

FaunaDB

  • Keeping an existing Fauna-backed application alive on self-hosted infrastructure while a migration is planned and fundednot Google Cloud Platform
  • Extracting historical data from a Fauna dataset that can no longer be reached through the hosted APInot Google Cloud Platform
  • Studying a production implementation of deterministic distributed transactions, since the full server source is now readable under Apache 2.0not Google Cloud Platform
  • Forking the engine deliberately, where an organisation has JVM and distributed-systems staff and wants a document-relational store it fully controlsnot Google Cloud Platform

Google Cloud Platform

  • Cloud infrastructure and computing servicesnot FaunaDB
  • Machine learning and data analyticsnot FaunaDB
  • Enterprise application hostingnot FaunaDB

Where each one falls short

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

FaunaDB

  • The hosted service was wound down in 2025, so there is no managed Fauna to buy; every remaining user either operates a JVM cluster themselves or migrates, and both are projects rather than tasks.
  • The open-sourced repository has had no substantive activity since May 2025 and the drivers were frozen alongside it, so you inherit responsibility for security patches in a Scala distributed database that almost nobody else is running.
  • FQL has no wire or dialect compatibility with anything else, so migrating off is a rewrite of every query, index and access rule in the application rather than a data export.
  • No BI tool, ORM or CDC connector speaks FQL, so reporting and analytics always required exporting the data first, and that export tooling is now also unmaintained.
  • The community was small before the shutdown and has dispersed since, so operational answers, tuning advice and people who have run a Fauna cluster in anger are all scarce when something breaks.

Google Cloud Platform

  • The $300 Free Trial credit expires 90 days from signup, whichever comes first with spending it
  • Free Tier Compute Engine is limited to one non-preemptible e2-micro instance per month and only in the us-west1, us-central1 or us-east1 regions
  • Free Tier Compute Engine includes only 30 GB-months of standard persistent disk and 1 GB of outbound North America data transfer per month
  • Free Tier Cloud Storage covers 5 GB-months of regional storage in US regions only, 5,000 Class A and 50,000 Class B operations per month
  • Free Tier outbound data transfer allowances exclude destinations in China and Australia
  • Compute Engine resources are governed by allocation quotas that require a quota increase request to exceed

Pricing, plan by plan

FaunaDB

Free
  • FreeFree
    • 100K read ops
    • 50K write ops
    • 1GB storage
  • Pro$25/month
    • Pay per use
    • Priority support
    • Advanced features

Google Cloud Platform

Free
  • Free TierFree
    • Compute Engine 744 hours/month
    • Cloud Storage 5GB
    • Cloud SQL 250MB storage

Which should you pick?

Choose FaunaDB if

  • You need document-relational model.
  • You want to start without paying.
  • You also want fql v10.
FaunaDB review

Choose Google Cloud Platform if

  • You need compute engine.
  • You want to start without paying.
  • You work on Web, Api, Cli.
  • You also want app engine.
Google Cloud Platform review

Questions people ask

Is FaunaDB or Google Cloud Platform better?
Neither clearly leads. FaunaDB starts at Free and Google Cloud Platform at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, FaunaDB or Google Cloud Platform?
FaunaDB starts at Free and Google Cloud Platform at Free.
Does FaunaDB or Google Cloud Platform run on more platforms?
FaunaDB runs on Web. Google Cloud Platform runs on Web, Api, Cli.
Can I use FaunaDB for free?
Both have a free tier, so you can try either at no cost before committing.
What is FaunaDB best used for?
FaunaDB is most often used for keeping an existing fauna-backed application alive on self-hosted infrastructure while a migration is planned and funded, extracting historical data from a fauna dataset that can no longer be reached through the hosted api, studying a production implementation of deterministic distributed transactions, since the full server source is now readable under apache 2.0, forking the engine deliberately, where an organisation has jvm and distributed-systems staff and wants a document-relational store it fully controls. Of those, keeping an existing fauna-backed application alive on self-hosted infrastructure while a migration is planned and funded and extracting historical data from a fauna dataset that can no longer be reached through the hosted api are not what Google Cloud Platform is typically brought in for.
What can FaunaDB do that Google Cloud Platform cannot?
FaunaDB covers Document-relational model, FQL v10, Distributed ACID transactions, HTTPS access. Google Cloud Platform covers Compute Engine, App Engine, Cloud Run, Cloud Storage.

Answered from the vendors’ own pages

FaunaDB: Can I still sign up for Fauna as a service?

No. Fauna Inc. wound down the hosted service in 2025 and the company website is no longer serving. The only way to run Fauna now is to build and operate the open-sourced server yourself.

Google Cloud Platform: What is Google Cloud Platform's pricing model?

Google Cloud uses usage-based pay-as-you-go pricing with options for committed use discounts at 1-year or 3-year terms, which can reduce costs by 25-70%. Pricing varies by region, service, and usage volume.

Source
FaunaDB: What licence is the open-sourced code under?

Apache 2.0, with the copyright held by a FaunaDB Foundation. That is a permissive OSI licence with no competing-use clause, so you may run it, modify it and even offer it as a service.

Google Cloud Platform: Does Google Cloud offer a free tier?

Yes, Google Cloud offers an always-free tier with generous free allowances for development, plus $300 in free credits for new customers during their first 90 days.

Source
FaunaDB: Is the open source version the same software that ran the cloud?

It is the core database engine. The control plane, billing, dashboard and multi-tenant operational tooling that made it a service are not part of the release, so you are running the engine, not the product.

Google Cloud Platform: How do committed use discounts work?

Users can commit to 1-year or 3-year usage of specific services to receive discounts of 25-70% compared to on-demand pricing. These discounts apply to compute, storage, and other services.

Source
FaunaDB: What should I migrate to?

There is no drop-in target. Teams that valued the document model with relationships usually land on Postgres with JSONB, and teams that valued the serverless HTTP access pattern usually land on DynamoDB or a managed Postgres with an HTTP driver. Either way the query layer is rewritten.

FaunaDB: How hard is it to self-host?

It builds as a fat JAR and runs as a multi-node JVM cluster. There is an OPERATING.md, but no supported packaging, no operator, no upstream releases and no support contract, so budget for a distributed-systems engineer, not a container.

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