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PHP vs Restate

PHP logo

PHP

Web Development

A popular general-purpose scripting language that is especially suited to web development

From
Free
Free plan
Yes
Restate logo

Restate

Developer Tools

Durable execution engine in Rust with a free tier and low-latency workflows

From
Free
Free plan
Yes

The short version

  • Each has a real cost: PHP distributed under the Modified BSD License, also called the PHP License version 4, per php.net/license/; there is no paid tier or vendor price to compare; Restate the runtime is under a Business Source Licence rather than an open source licence, so building a competing managed offering on it is prohibited and some procurement functions will reject it on licence grounds alone.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which PHP and Restate actually diverge.

Attributes where PHP and Restate differ
AttributePHPRestate
Pricing modelopen-sourcePer month by durable action count
PlatformsWebLinux, macOS, Web
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 PHP

Nothing recorded that Restate does not also cover.

Only in Restate

  • Durable execution
  • Virtual objects
  • Single binary runtime
  • Multi-language SDKs
  • Workflows and sagas
  • Restate Cloud

What people use each for

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

PHP

  • Server-side web developmentnot Restate
  • Content management systemsnot Restate
  • API backendsnot Restate

Restate

  • Payment or order flows where a crash between two external API calls must not double-charge or lose the ordernot PHP
  • AI agent loops that call tools over minutes or hours and must survive a deployment mid-runnot PHP
  • Replacing hand-rolled retry, idempotency key and outbox code across a set of microservicesnot PHP
  • A small team that wants durable workflows without operating a Temporal cluster and its databasenot PHP

Where each one falls short

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

PHP

  • Distributed under the Modified BSD License, also called the PHP License version 4, per php.net/license/; there is no paid tier or vendor price to compare
  • PHP 8.2 lost active support on 31 Dec 2024 and enters full end of life on 31 Dec 2026, with only security fixes since, per php.net/supported-versions.php (Aug 2026)

Restate

  • The runtime is under a Business Source Licence rather than an open source licence, so building a competing managed offering on it is prohibited and some procurement functions will reject it on licence grounds alone.
  • Restate Cloud jumps from a free fifty thousand actions straight to 300 US dollars a month for twenty million, so a workload sitting at a few hundred thousand actions pays enterprise-shaped money for hobby-shaped volume.
  • It is a young project against Temporal’s established base, so hiring engineers who already know it is unrealistic and the answer to most questions is in the docs rather than on Stack Overflow.
  • The programming model requires structuring code around durable handlers and virtual objects, which is a genuine rewrite for existing services rather than a library you add.
  • The single-binary simplicity that makes small deployments cheap also means fewer operational knobs at very large scale than a system designed as separable components.

Pricing, plan by plan

PHP

Free

No published plan breakdown. See the PHP review.

Restate

Free
  • FreeFree
    • Fifty thousand durable actions per month
    • No credit card required
    • Community support
  • Starter$300/month
    • Twenty million actions per month
    • Two hundred actions per second, bursting to one thousand
    • Twenty GB storage
  • Pro$1000/month
    • Fifty million actions per month
    • Five hundred actions per second, bursting to two thousand
    • Fifty GB storage
  • Enterprise$undefined/year
    • Negotiated volume
    • Twenty-four seven P0 support
    • 99.99 per cent SLA

Which should you pick?

Choose PHP if

  • You want to start without paying.

Choose Restate if

  • You need durable execution.
  • You want to start without paying.
  • You work on Linux, macOS, Web.
  • You also want virtual objects.

Questions people ask

Is PHP or Restate better?
Neither clearly leads. PHP starts at Free and Restate at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, PHP or Restate?
PHP starts at Free and Restate at Free.
Does PHP or Restate run on more platforms?
PHP runs on Web. Restate runs on Linux, macOS, Web.
Can I use PHP for free?
Both have a free tier, so you can try either at no cost before committing.
What is PHP best used for?
PHP is most often used for server-side web development, content management systems, api backends. Of those, server-side web development and content management systems are not what Restate is typically brought in for.
What can PHP do that Restate cannot?
Restate covers Durable execution, Virtual objects, Single binary runtime, Multi-language SDKs.

Answered from the vendors’ own pages

PHP: Is PHP free to use?

Yes, PHP is completely free and open-source software under the PHP Foundation governance. There are no licensing fees or paid tiers.

Source
Restate: Is Restate open source?

The SDKs are MIT. The runtime is under a Business Source Licence, which permits self-hosting but not offering it as a competing service.

PHP: Does the PHP Foundation offer paid support?

The PHP Foundation accepts voluntary donations to support long-term development, but donations are optional and not required to use PHP.

Source
Restate: How does it compare with Temporal?

Same problem, different shape: one Rust binary with embedded storage instead of a server plus database plus workers, and lower per-step latency.

Restate: Is there a free tier?

Yes, fifty thousand durable actions a month on Restate Cloud with no card required.

Restate: Which languages are supported?

TypeScript, Java, Kotlin, Go, Python and Rust.

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