Developer Tools · head to head
Restate vs Rust
Restate
Developer Tools
Durable execution engine in Rust with a free tier and low-latency workflows
- From
- Free
- Rated
- -
Rust
Developer Tools
A language empowering everyone to build reliable and efficient software
- From
- Free
- Rated
- -
The short version
- Each has a real cost: 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.; Rust compile times significantly longer than languages like Go or C
- They diverge on capability: Restate covers Durable execution, Rust covers Memory safety.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which Restate and Rust actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Developer Tools).
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 Restate
- Durable execution
- Virtual objects
- Single binary runtime
- Multi-language SDKs
- Workflows and sagas
- Restate Cloud
Only in Rust
- Memory safety
- Zero-cost abstractions
- Ownership system
- Pattern matching
- Type inference
- Cargo package manager
- Cross compilation
- Fearless concurrency
What people use each for
The jobs each tool is most often brought in to do.
Restate
- Payment or order flows where a crash between two external API calls must not double-charge or lose the ordernot Rust
- AI agent loops that call tools over minutes or hours and must survive a deployment mid-runnot Rust
- Replacing hand-rolled retry, idempotency key and outbox code across a set of microservicesnot Rust
- A small team that wants durable workflows without operating a Temporal cluster and its databasenot Rust
Rust
- Systems programming and operating system developmentnot Restate
- Performance-critical applicationsnot Restate
- Embedded systems and firmwarenot Restate
- Network services and concurrent applicationsnot Restate
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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.
Rust
- Compile times significantly longer than languages like Go or C
- Smaller ecosystem of libraries and frameworks compared to Python or JavaScript
- Community still smaller than mainstream languages, reducing available third-party resources
Pricing, plan by plan
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
Rust
FreeNo published plan breakdown. See the Rust review.
Which should you pick?
Choose Restate if
- You need durable execution.
- You want to start without paying.
- You work on Linux, macOS, Web.
- You also want virtual objects.
Choose Rust if
- You need memory safety.
- You want to start without paying.
- You work on Windows, Linux, macOS.
- You also want zero-cost abstractions.
Questions people ask
- Is Restate or Rust better?
- Neither clearly leads. Restate starts at Free and Rust at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Restate or Rust?
- Restate starts at Free and Rust at Free.
- Does Restate or Rust run on more platforms?
- Restate runs on Linux, macOS, Web. Rust runs on Windows, Linux, macOS.
- Can I use Restate for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Restate best used for?
- Restate is most often used for payment or order flows where a crash between two external api calls must not double-charge or lose the order, ai agent loops that call tools over minutes or hours and must survive a deployment mid-run, replacing hand-rolled retry, idempotency key and outbox code across a set of microservices, a small team that wants durable workflows without operating a temporal cluster and its database. Of those, payment or order flows where a crash between two external api calls must not double-charge or lose the order and ai agent loops that call tools over minutes or hours and must survive a deployment mid-run are not what Rust is typically brought in for.
- What can Restate do that Rust cannot?
- Restate covers Durable execution, Virtual objects, Single binary runtime, Multi-language SDKs. Rust covers Memory safety, Zero-cost abstractions, Ownership system, Pattern matching.
Answered from the vendors’ own pages
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.
Rust: Is Rust free?
Yes, Rust is free and open-source. The Rust Foundation provides institutional support for this community-driven project, and there are no costs associated with using the programming language.
SourceRestate: 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.
Rust: What license does Rust use?
Rust is open-source and operated under an open-source license. Full license details are available in the policies section of the Rust website.
SourceRestate: 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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- Rust vs Helix
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- Rust vs Jitsu
- Rust vs Okteto
- Rust vs Argo CD
- Rust vs Steampipe
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- Rust vs Visual Studio Code
- Rust vs Turborepo
- Rust vs Keycloak
- Rust vs Prettier
- Rust vs StackBlitz
- Rust vs Tilt
- Rust vs WarpBuild
- Rust vs Webpack
- Rust vs GNAT Pro
- Rust vs CLion
- Rust vs IAR Embedded Workbench
- Rust vs Keil MDK
- Rust vs RAD Studio
- Rust vs Blacksmith
- Rust vs Bazel
- Rust vs Moonrepo
- Rust vs Nixpacks
- Rust vs ConfigCat
- Rust vs Cortex
- Rust vs Dagger
- Rust vs Fig
- Rust vs Frappe