GrowthBook vs Inngest

GrowthBook

Inngest

GrowthBook · 15 features

• Approval Flows — Require reviewer approval on flag changes. Enterprise.
• Audit Logs — Full change history. Exportable on Enterprise.
• Dimensions & Slicing — Break down experiment results by user dimensions.
• Edge SDK Support — Cloudflare Workers, Lambda@Edge, Fastly, Akamai EdgeWorkers, Netlify Edge.
• Experiments — A/B/n with CUPED variance reduction + sequential testing.
• Feature Flags — Boolean + string + number + JSON flags with targeting.
• Feature Reviews (PR-style) — Draft → review → approve flag changes.
• Guardrail Metrics — Auto-monitor key metrics during experiments.
• Metric Catalog — Define + reuse metrics across experiments.
• Multi-Armed Bandits — Adaptive traffic allocation. Pro+.
• Safe Rollouts — Guarded gradual rollouts with automatic rollback.
• SSO / SAML — Enterprise SSO for cloud + self-host EE.
• Sticky Bucketing — User stays in variant even after eligibility changes.
• Visual A/B Test Editor — No-code DOM editor for web experiments. Pro+.
• Warehouse Native — Connect your warehouse + run experiments against your events data.

Inngest · 14 features

• AgentKit — Build AI agents as durable Inngest functions.
• Auto Retries — Configurable retries with exponential backoff.
• Concurrency Controls — Per-function and per-user concurrency limits.
• Cron Triggers — Scheduled functions via cron syntax.
• Debounce — Coalesce rapid-fire events into one execution.
• Dev Server — Local Inngest runtime for dev.
• Durable Steps — step.run, step.sleep, step.waitForEvent.
• Event System — Typed events with schemas.
• Fan Out / Batching — Process many events in parallel with batch control.
• Priority Lanes — Route premium customers to faster execution.
• Rate Limiting — Throttle events per key.
• Realtime — Stream function output to clients.
• Replay — Re-run past functions with new code.
• Self-Host — OSS runtime — run your own Inngest.