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Restate vs Statsig

Restate logo

Restate

Developer Tools

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

From
Free
Free plan
Yes
Visit RestateFull review
Statsig logo

Statsig

Project Management

Unified platform for feature flags, A/B testing, and product analytics

From
Free
Free plan
Yes
Visit StatsigFull review

The short version

  • Free plans on both; paid from $300/mo and $150/mo.
  • Only Restate lists durable execution; only Statsig lists feature Flags.
  • Where Statsig falls short: pro plan is limited to a single project, requiring Enterprise for multi-project support.
  • Prices and features on this page were last checked on 31 August 2026.

Where they differ

Only the attributes on which Restate and Statsig actually diverge.

Attributes where Restate and Statsig differ
AttributeRestateStatsig
Pricing modelPer month by durable action countFreemium
PlatformsLinux, macOS, WebWeb, API
CategoryDeveloper ToolsProject Management

Identical on both: starting price (Free), free tier (Yes).

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 Statsig

  • Feature Flags
  • Experimentation
  • Product Analytics
  • Session Replay
  • Web Analytics
  • Warehouse-Native Deployment
  • Role-Based Access & SSO

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 Statsig
  • AI agent loops that call tools over minutes or hours and must survive a deployment mid-runnot Statsig
  • Replacing hand-rolled retry, idempotency key and outbox code across a set of microservicesnot Statsig
  • A small team that wants durable workflows without operating a Temporal cluster and its databasenot Statsig

Statsig

  • Rolling out features gradually with kill switchesnot Restate
  • Running A/B tests with statistical rigornot Restate
  • Tracing metric regressions to specific releasesnot Restate
  • Consolidating analytics and experimentation toolingnot Restate
  • Warehouse-native experimentation for data teamsnot 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

Statsig

  • Pro plan is limited to a single project, requiring Enterprise for multi-project support
  • Overage pricing on the Pro plan can become costly for high-event-volume products
  • Warehouse-native deployment and advanced access controls are gated behind custom Enterprise contracts
  • Free tier session replay and analytics retention are capped, pushing active teams toward paid tiers quickly

Pricing, plan by plan

Restate

Free
  • FreeFree
    • Fifty thousand durable actions per month
    • No credit card required
    • Community support
  • Starter$300/mo
    • Twenty million actions per month
    • Two hundred actions per second, bursting to one thousand
    • Twenty GB storage
  • Pro$1,000/mo
    • Fifty million actions per month
    • Five hundred actions per second, bursting to two thousand
    • Fifty GB storage
  • EnterpriseOn request
    • Negotiated volume
    • Twenty-four seven P0 support
    • 99.99 per cent SLA

Statsig

Free
  • DeveloperFree
    • 2M events/month
    • Unlimited flag & config checks
    • 50,000 session replays/month
  • Pro$150/mo
    • 5M events included, then $0.05 per 1K events
    • Advanced experimentation & analytics
    • Unlimited analytics retention
  • EnterpriseOn request
    • Volume-discounted event/experiment contracts
    • Warehouse-native deployment
    • SSO & role-based access controls

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.
Restate review

Choose Statsig if

  • You need feature flags.
  • You want to start without paying.
  • You work on Web, API.
  • You also want experimentation.
Statsig review

Questions people ask

Is Restate or Statsig better?
Neither clearly leads. Restate starts at Free and Statsig at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Restate or Statsig?
Restate starts at Free and Statsig at Free.
Does Restate or Statsig run on more platforms?
Restate runs on Linux, macOS, Web. Statsig runs on Web, API.
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 Statsig is typically brought in for.
What can Restate do that Statsig cannot?
Restate covers Durable execution, Virtual objects, Single binary runtime, Multi-language SDKs. Statsig covers Feature Flags, Experimentation, Product Analytics, Session Replay.

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.

Statsig: What does Statsig cost?

Statsig offers a free Developer tier, a Pro tier at $150/month with 5M included events and $0.05 per 1,000 events after that, and custom Enterprise pricing based on event or experiment volume.

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.

Statsig: Is there a free plan, and what are its limits?

The free Developer plan includes 2M events per month, unlimited flag and config checks, 50,000 session replays per month, and 1-year analytics data retention with unlimited seats.

Source
Restate: Is there a free tier?

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

Statsig: How is usage metered on Statsig?

Statsig meters billable events including exposures with Metric Lifts enabled, log events from SDKs or imports, ingested warehouse metrics, and custom metrics; disabled flag checks are not metered.

Source
Restate: Which languages are supported?

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

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