macrostack
Browse

The AI stack

Categories

Local & Sovereign AINotes & KnowledgeObservability & MonitoringPassword ManagersWeb AnalyticsTeam ChatSmart HomeNetworking & RoutersVideo ConferencingCloud Storage & SyncPhotos & MediaAPI DevelopmentImage EditingWorkflow Automation & iPaaSDeveloper Tools & ContainersOffice & Productivity SuitesNo-Code DatabasesCode Hosting & Git ForgesProject ManagementEmail Marketing & NewslettersScheduling & BookingError Tracking & Exception MonitoringLog Management & SIEMVPN & PrivacyEmail & Secure MailVector Databases & AI SearchLLM & Agent FrameworksDomains & Web HostingData Removal & PrivacyAuthentication & IdentityHelp Desk & Customer SupportCloud & VPSKubernetes & Container PlatformsEmbedding ModelsPDF & DocumentsAI Coding AssistantsAI Voice & SpeechLLM Observability & EvaluationLLM Gateways & RoutingCloud GPU & AI ComputeCI/CD & build automationData & pipeline orchestrationModel serving & inferenceAI agent frameworksBackend as a serviceSecrets managementFeature flags & experimentationProduct analyticsSearch infrastructureUptime & status monitoringAffiliate & partner platformsVisitor identification & personalisationWikis & internal docsIdentity & access managementData warehouses & analytics enginesCustomer data platformsCRMObject storageBI & dashboardsE-signatureWhiteboards & diagrammingIn-memory data stores & cachingPlatform as a serviceTransactional & bulk emailHeadless CMSDesign & prototypingE-commerce platformsInternal tools & admin panelsManaged databasesForms & surveysFine-Tuning & Model TrainingRAG & Retrieval PlatformsLLM Evaluation & TestingAI Guardrails & Content SafetySpeech Recognition & TranscriptionExperiment Tracking & ML OpsDocument AI & OCRCompliance automation & security posture

About

How we rank & score
Head-to-head · Feature flags & experimentation

OpenFeature vs Flipt

Both are alternatives to LaunchDarkly. Here's how they stack up — verified facts, no spin.

Also searched as Flipt vs OpenFeature — same comparison, one verdict.

The short answer

OpenFeature and Flipt are closely matched on ownership (97 vs 93) — this one comes down to pricing and to which trade-offs below you can live with.

97

OpenFeature

Not a platform — the standard that makes the platform swappable.

OPEN SOURCEApache-2.0SELF-HOSTLOCAL-FIRST

OpenFeature is a CNCF specification and set of SDKs defining a vendor-neutral API for evaluating feature flags. You write against OpenFeature, then plug in a provider — LaunchDarkly, Unleash, Flagsmith, GrowthBook, or a local file — and changing vendors becomes changing one line at startup instead of touching every call site. It stores nothing and manages nothing, so it is not an alternative in the usual sense. It is listed here because it is the highest-leverage thing on this page: adopt it and the rest of this decision becomes cheap to change your mind about. Apache-2.0 under the CNCF.

93

Flipt

Flags defined in Git, evaluated by one Go binary.

OPEN SOURCEGPL-3.0SELF-HOSTLOCAL-FIRST

Flipt takes a GitOps approach: flag definitions live in your repository as files, get reviewed in pull requests like any other change, and are evaluated by a single Go binary that can run entirely offline with no external dependency. For a platform team that already runs everything through Git, this makes flags an ordinary part of the deployment pipeline rather than a separate control plane somebody has to remember to check. GPL-3.0 with about 4.9k stars. The trade is deliberate: no polished dashboard for product managers, because the source of truth is a file.

Side by side

6 points of comparison, every one read from a verified field. Green marks the side that wins a row outright. A dash means we do not hold that fact — never that it is zero.

 OpenFeatureFlipt
Sovereignty ScoreOur transparent 0–100 composite for data ownership and exit cost.9793
Open sourceYesYes
Self-hostableYesYes
Local-first dataYesYes
LicenseApache-2.0GPL-3.0
PricingFree and open source. It is a specification and a set of SDKs.Free and open source. One binary on hardware you already have.
The verdict

OpenFeature edges it on the Sovereignty Score, but the right pick depends on the trade-offs below.

Weighing both against staying on LaunchDarkly? Is LaunchDarkly free? What it actually costs →

OpenFeature

Strengths

  • +Removes SDK lock-in entirely — swap providers in one line
  • +CNCF-governed vendor-neutral standard with broad provider support
  • +LaunchDarkly itself ships a provider, so adopting it costs you nothing today
  • +Makes this whole comparison a reversible decision

Trade-offs

  • Not a flag platform — you still need something behind it
  • Thin abstraction: vendor-specific features may not be exposed
  • One more layer between your code and the evaluation
  • Provider maturity varies across the ecosystem

Flipt

Strengths

  • +Flag definitions live in Git — reviewed, versioned and audited like code
  • +Single Go binary, runs air-gapped with no external calls
  • +Fits a GitOps workflow with no extra machinery
  • +GPL-3.0 with no enterprise carve-out

Trade-offs

  • Smallest project here — a real bus-factor consideration
  • No dashboard a non-engineer will happily use
  • Git-based workflow means non-technical staff cannot flip a flag
  • No experimentation or statistics

Which one fits you

The trade-offs above, turned into a decision. Find the line that describes your team.

Choose OpenFeature

if a lower exit cost matters more to you than any single feature, and removes SDK lock-in entirely — swap providers in one line.

Choose Flipt

if flag definitions live in Git — reviewed, versioned and audited like code.

Neither, yet

if both carry a real cost you should weigh first — not a flag platform — you still need something behind it, and smallest project here — a real bus-factor consideration. If either of those is a dealbreaker for your team, the shortlist is wrong rather than the choice.

OpenFeature vs Flipt — common questions

Is OpenFeature a better fit than Flipt for feature flags & experimentation?

It depends on what you are optimising for, and the honest split is this: OpenFeature scores 97 to Flipt's 93 on data ownership and exit cost, so it is the safer choice if you care about being able to leave. Flipt earns its place on a different axis — flag definitions live in Git — reviewed, versioned and audited like code. Neither is a wrong answer for every team; the table above is the actual comparison.

What happens if we want to switch later?

OpenFeature keeps its data local or in open formats, so leaving is an export rather than a negotiation. Flipt is still self-hostable, so the files stay on your server either way — but it is not local-first by design, so check what its export produces before you rely on it.

Can I self-host OpenFeature or Flipt?

Both can be self-hosted. The difference is what it costs you in time rather than whether it is possible — see the setup and maintenance rows above.

Are OpenFeature and Flipt both alternatives to LaunchDarkly?

Yes — both appear in our LaunchDarkly comparison, which is why they are worth putting side by side. People usually arrive here already having decided to move off LaunchDarkly and now choosing between the two replacements, which is a narrower and much easier question.

See all 5 LaunchDarkly alternatives →

Related alternative guides

Facts verified 2026-07-31. Licenses and pricing change — spotted something out of date? That's a correction we want.

The Macrostack brief

New swaps, worth your inbox.

A short, occasional email when we add a high-intent alternative or ship a new head-to-head. No spam, no selling your address — unsubscribe in one click.