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Developer Tools · head to head

Earthly vs TanStack Start

Earthly logo

Earthly

Developer Tools

Engineering guardrails for the AI era

From
Free
Free plan
Yes
Full reviewWebsite
TanStack Start logo

TanStack Start

Web Development

Full-stack React framework with type-safe server functions and TanStack Router

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Earthly pricing model not published; requires sales contact; TanStack Start still in Release Candidate status, not yet production stable
  • They diverge on capability: Earthly covers Policy as code, TanStack Start covers Full-document SSR with streaming.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Earthly and TanStack Start actually diverge.

Attributes where Earthly and TanStack Start differ
AttributeEarthlyTanStack Start
Pricing modelNo pricing published on websiteopen-source
PlatformsWeb, CLIWeb
CategoryDeveloper ToolsWeb Development
Founded2020Unknown

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 Earthly

  • Policy as code
  • Multi-stage enforcement
  • AI agent governance
  • Repository-wide policies
  • Incident response automation
  • Compliance management
  • Earthfiles build tool
  • Satellites

Only in TanStack Start

  • Full-document SSR with streaming
  • Type-safe server functions
  • TanStack Router integration
  • Middleware system
  • Server routes and API endpoints
  • Experimental RSC support
  • Vite and Rsbuild support

What people use each for

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

Earthly

  • Enforcing engineering standards across AI and human developersnot TanStack Start
  • Automating incident response procedures across all repositoriesnot TanStack Start
  • Embedding compliance requirements into development workflowsnot TanStack Start
  • Standardizing build processes with Earthfilesnot TanStack Start

TanStack Start

  • Building type-safe full-stack React applicationsnot Earthly
  • Projects requiring type safety across client and server boundariesnot Earthly
  • Applications leveraging advanced routing patterns and nested layoutsnot Earthly
  • Deployments across multiple platforms with consistent codebasenot Earthly

Where each one falls short

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

Earthly

  • Pricing model not published; requires sales contact
  • Earthly Lunar is a recent launch (2025) with limited track record
  • Primarily GitHub-focused; limited integration with other platforms
  • No public documentation on pricing or feature tiers

TanStack Start

  • Still in Release Candidate status, not yet production stable
  • Smaller community compared to Next.js with less third-party support
  • Documentation not as comprehensive as more established frameworks
  • Less mature ecosystem for edge deployment compared to specialized frameworks

Pricing, plan by plan

Earthly

Free

No published plan breakdown. See the Earthly review.

TanStack Start

Free

No published plan breakdown. See the TanStack Start review.

Which should you pick?

Choose Earthly if

  • You need policy as code.
  • You want to start without paying.
  • You work on Web, CLI.
  • You also want multi-stage enforcement.
Earthly review

Choose TanStack Start if

  • You need full-document ssr with streaming.
  • You want to start without paying.
  • You also want type-safe server functions.
TanStack Start review

Questions people ask

Is Earthly or TanStack Start better?
Neither clearly leads. Earthly starts at Free and TanStack Start at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Earthly or TanStack Start?
Earthly starts at Free and TanStack Start at Free.
Does Earthly or TanStack Start run on more platforms?
Earthly runs on Web, CLI. TanStack Start runs on Web.
Can I use Earthly for free?
Both have a free tier, so you can try either at no cost before committing.
What is Earthly best used for?
Earthly is most often used for enforcing engineering standards across ai and human developers, automating incident response procedures across all repositories, embedding compliance requirements into development workflows, standardizing build processes with earthfiles. Of those, enforcing engineering standards across ai and human developers and automating incident response procedures across all repositories are not what TanStack Start is typically brought in for.
What can Earthly do that TanStack Start cannot?
Earthly covers Policy as code, Multi-stage enforcement, AI agent governance, Repository-wide policies. TanStack Start covers Full-document SSR with streaming, Type-safe server functions, TanStack Router integration, Middleware system.

Answered from the vendors’ own pages

Earthly: What is the difference between Earthfiles and Earthly Lunar?

Earthfiles is an open-source build tool that reached 12,000 GitHub stars and is used by companies like NVIDIA, Intel, and Databricks. Earthly Lunar is a separate governance platform launched in 2025 for enforcing standards across development workflows.

Source
TanStack Start: Is TanStack Start production-ready?

TanStack Start is currently in Release Candidate status. While functional and used in production by some teams, it has not yet reached stable v1.

Source
Earthly: How does Earthly Lunar enforce standards?

Lunar converts engineering standards, compliance requirements, and processes documented in AGENTS.md files, wikis, and incident postmortems into enforceable guardrails that apply consistently across repositories and development stages.

Source
TanStack Start: How do type-safe server functions work in TanStack Start?

Server functions are automatically typed on the client side, enabling IDE autocomplete and type checking when calling server functions from client code.

Source
Earthly: What is the pricing for Earthly Lunar?

Pricing is not published on the website. Interested customers should contact Earthly's sales team for current pricing and feature tiers.

Source
TanStack Start: What deployment platforms are supported by TanStack Start?

TanStack Start supports Cloudflare Workers, Node.js, Netlify, Railway, and other platforms through custom adapter configuration.

Source
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