Open API PricingOpen API Pricing

LaunchDarkly vs PostHog pricing

Both are in feature flag apis. LaunchDarkly is billed per-seat + mau-based; PostHog is billed per request (volume-tiered). Numbers below are copied from each vendor's pricing page.

LaunchDarkly vs PostHog pricing side by side
LaunchDarklyFree tier or trial
Free tier
Developer plan: unlimited flags, 1 project, 2 environments, 1k MAU for experimentation
Billed
Per-seat + MAU-based
Best for
Enterprise feature management and progressive delivery
Verified
Jun 27, 2026
PostHogFree tier or trial
Free tier
First 1M flag-eval requests/mo free, no credit card
Billed
Per request (volume-tiered)
Best for
All-in-one product analytics with built-in flags
Verified
Jun 27, 2026

LaunchDarkly plans

PlanPriceWhat it covers
Developer$0/monthFree forever, no credit card. Unlimited seats and feature flags, A/B tests, ~5,000 AI runs/month with no overages, 10M logs/traces, 14-day data retention.
Foundation$10 per service connection/mo (or $8.33 per 1K client-side MAU/mo)Billed annually. Unlimited projects, scalable observability/experimentation, AgentControl AI runs at $5 per 1K beyond the 5,000 baseline, 30-day data retention.
EnterpriseCustomAdvanced targeting, release automation, workflows/scheduling/approvals, SAML/SCIM, custom AI run amounts, 100+ days data retention.
GuardianCustomEverything in Enterprise plus release monitoring, guardrail metrics, and automatic pause/rollback on metric regressions.

Source: https://launchdarkly.com/pricing/

PostHog plans

PlanPriceWhat it covers
Free$0/moFirst 1,000,000 feature-flag requests per month free; no credit card required; full flag feature set.
Pay-as-you-go (1-2M tier)$0.0001 / requestPer-request rate applied to flag-evaluation requests beyond the 1M free monthly allowance.
Pay-as-you-go (2-10M tier)$0.000045 / requestVolume-discounted rate for 2-10M monthly flag requests.
Pay-as-you-go (10-50M tier)$0.000025 / requestVolume-discounted rate for 10-50M monthly flag requests.
Pay-as-you-go (50M+ tier)$0.00001 / requestLowest tier, a 10x reduction vs the entry rate, for 50M+ monthly flag requests.

Source: https://posthog.com/pricing

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