Staxly

LaunchDarkly vs Inngest

Enterprise feature management, experimentation, release automation
vs. Durable functions + event-driven workflows for modern apps

LaunchDarkly websiteInngest website

Pricing tiers

LaunchDarkly

Developer (Free)
Free forever. Unlimited seats + flags + projects. 30 SDKs. 5K session replays/mo. 10M logs/traces.
Free
Foundation
$12/month per service connection + $10/month per 1K client-side MAU. Unlimited seats, experimentation, SSO.
$12/mo
Enterprise
Custom. Advanced targeting, release automation, workflows, approvals, SAML/SCIM, custom roles.
Custom
Guardian
Custom. All Enterprise + release monitoring, guardrail metrics, auto pause/rollback.
Custom
LaunchDarkly website

Inngest

Free
$0. 50K steps/mo + 1K concurrent executions. 7-day log retention. 1 environment.
Free
OSS (self-host)
Free forever. Inngest Dev Server + self-hosted Inngest runtime. Apache 2.0.
$0 base (usage-based)
Starter
$20/mo. 250K steps/mo. 5K concurrency. 14-day retention. 3 envs.
$20/mo
Pro
$75/mo. 1M steps/mo. 10K concurrency. 30-day retention. Priority support.
$75/mo
Enterprise
Custom. SSO, HIPAA, dedicated clusters, self-host with Inngest Enterprise.
Custom
Inngest website

Free-tier quotas head-to-head

Comparing developer on LaunchDarkly vs free on Inngest.

MetricLaunchDarklyInngest
No overlapping quota metrics for these tiers.

Features

LaunchDarkly · 15 features

  • AI ConfigsManage AI prompts, models, and parameters as flags.
  • ApprovalsRequire co-sign before flag changes in prod.
  • Audit LogEvery change logged with user + timestamp.
  • Auto Pause/RollbackGuardrail metrics auto-revert a bad release.
  • Code ReferencesScan code for flag references + stale flag cleanup.
  • ContextsMulti-context targeting: user + organization + device in one evaluation.
  • ExperimentationA/B/n testing with stat significance. Bayesian + frequentist.
  • Feature FlagsBoolean, multivariate (string/number/JSON) flags with targeting rules.
  • ObservabilityLogs + traces + errors linked to flag changes.
  • Relay ProxySelf-hosted evaluation proxy for compliance / low-latency.
  • Release PipelinesProgressive rollout workflows with guards + approvals.
  • SAML / SCIMEnterprise SSO + SCIM provisioning.
  • Session ReplayFrontend session recordings tied to flag exposure.
  • Targeting RulesRule-based targeting on user attributes, country, device, custom contexts.
  • WorkflowsScheduled flag changes + conditional workflows.

Inngest · 14 features

  • AgentKitBuild AI agents as durable Inngest functions.
  • Auto RetriesConfigurable retries with exponential backoff.
  • Concurrency ControlsPer-function and per-user concurrency limits.
  • Cron TriggersScheduled functions via cron syntax.
  • DebounceCoalesce rapid-fire events into one execution.
  • Dev ServerLocal Inngest runtime for dev.
  • Durable Stepsstep.run, step.sleep, step.waitForEvent.
  • Event SystemTyped events with schemas.
  • Fan Out / BatchingProcess many events in parallel with batch control.
  • Priority LanesRoute premium customers to faster execution.
  • Rate LimitingThrottle events per key.
  • RealtimeStream function output to clients.
  • ReplayRe-run past functions with new code.
  • Self-HostOSS runtime — run your own Inngest.

Developer interfaces

KindLaunchDarklyInngest
CLILaunchDarkly Relay Proxyinngest-cli (dev server)
SDKgo-server-sdk, launchdarkly-android-client-sdk, launchdarkly-ios-client-sdk, launchdarkly-java-server-sdk, launchdarkly-js-client-sdk, launchdarkly-node-server-sdk, launchdarkly-react-client-sdk, launchdarkly-react-native-client-sdk, LaunchDarkly.ServerSdk, launchdarkly-server-sdk-pythoninngestgo, inngest (Python), inngest (TS/Node)
RESTLaunchDarkly REST APIInngest REST API
MCPInngest MCP
OTHERStreaming Flag Eval, WebhooksInngest Cloud Dashboard
Staxly is an independent catalog of developer platforms. Outbound links to LaunchDarkly and Inngest are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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