In-depth: PostHog vs LaunchDarkly

PostHog and LaunchDarkly both help you de-risk releases, increase engineering velocity, configure your app remotely, customize experiences, and more.

But how are they different? If you remember nothing else, remember these two points:

1. LaunchDarkly is a dedicated feature management platform built for enterprise release governance – flags, experiments, and release monitoring.

2. PostHog is an all-in-one platform that does flags, experiments, and a whole bunch more.

In this post, we'll cover these differences in more detail, comparing features, pricing, reporting, integrations, and frequently asked questions about both.

How is PostHog different?

1. It's an all-in-one platform

Feature flags and experiments in PostHog don't live in isolation. They're connected to product analytics, session replays, error tracking, LLM analytics, surveys, and more – so you can ship behind a flag, watch replays of affected users, check analytics for impact, and catch any errors, all without switching tools.

This means you can spend less time engineering your data and more time making better decisions about what you've shipped, and what to build next.

2. We're transparent and open source

Our code, culture, and strategy are public on GitHub and in our public handbook. We're also self-serve. No need to "talk to sales" or "schedule a demo" unless you want to – we're always happy to chat.

Our pricing is transparent, too – no opaque add-ons or surprise extras here.

3. Built for startups and engineers

PostHog is built for high-growth startups. It's simple to implement – we have many SDKs, tutorials, an MCP server for AI workflows, and docs to help you get started quickly with any type of app – and will grow with you as you scale.

When you need more – a CDP, data warehouse, or advanced analytics – you can just turn those features on. LaunchDarkly is built for enterprise teams and DevOps, with a focus on governance, compliance, and integrations that are often gated behind expensive enterprise contracts.

Install PostHog with one command

Paste this into your terminal and make AI do all the work.

npx @posthog/wizard

Learn more

Comparing PostHog and LaunchDarkly

Platform

Both tools offer everything you need to use flags and experiments effectively, but PostHog offers a wider range of tools with greater transparency in all aspects.

Feature management

Both PostHog and LaunchDarkly offer all the functionality you expect for feature management using feature flags.

LaunchDarkly’s enterprise plan unlocks advanced workflow features like scheduling, lifecycle management, triggers, and more. PostHog’s API enables you to mimic this functionality if needed, but it isn’t built into the UI yet.

Experimentation

PostHog and LaunchDarkly have relatively similar experimentation feature sets, enabling you to run A/B/n tests with custom goals and calculate if they have a statistically significant impact.

PostHog automatically calculates a recommended run time based on past data and minimally acceptable improvements. This helps you avoid the peeking problem and end your experiment at the right time.

Pricing

PostHog and LaunchDarkly take opposing approaches.

PostHog’s feature flag pricing is pay-per-request (and A/B tests use feature flags). There is a generous free tier of 1M requests per month with all features, add-ons, and integrations available. You can calculate your cost exactly on the pricing page.

LaunchDarkly's pricing is harder to model without knowing your specific setup. The current tiers are:

• Developer (free): Up to 5 service connections, 1,000 client-side MAU, and 100k experimentation MAU. Suitable for passion projects.
• Foundation: $12/service connection/month + $10/1k client-side MAU/month. Includes unlimited seats, projects, and SSO. Experimentation is included but MAU for experiments is billed separately at $3/1k/month.
• Enterprise: Custom pricing, need to contact sales. Everything in Foundation plus release automation, approval workflows, scheduling, SAML/SCIM, and custom roles.
• Guardian: Custom pricing, need to contact sales. Everything in Enterprise plus guarded rollouts, automatic rollback, proactive failure notifications, and advanced release monitoring.

Backend usage is measured in "service connections" – each microservice, replica, and environment counts as one – which doesn't map cleanly to team size or request volume. Frontend usage is billed per client-side MAU at $10/1k/month. If you want an accurate number, use LaunchDarkly's pricing calculator or request a quote directly.

As mentioned earlier, many of the security, approval, and workflow features that differentiate them are only available at Enterprise or Guardian levels.

Example scenarios

• Startup (1M requests/mo): PostHog $0 (free tier). LaunchDarkly Foundation – depends on service connections and MAU, but a small setup with ~5 connections and 5k MAUs = ~$110/mo minimum.
• Scaleup (10M requests/mo): PostHog $460/mo (1M free + 1M @ $0.0001 + 8M @ $0.000045). LaunchDarkly – a mid-size setup with ~20 connections and 25k MAUs = ~$490/mo, not counting Experimentation MAU. | Scenario | PostHog Pricing | LaunchDarkly Pricing | |---|---|---| | Startup (1M requests/mo) | $0 (free tier) | Foundation plan depends on service connections and MAU. Example: ~5 connections + 5k MAU ≈ $110/mo minimum | | Scaleup (10M requests/mo) | $460/mo (1M free + 1M @ $0.0001 + 8M @ $0.000045) | Mid-size setup: ~20 connections + 25k MAU ≈ $490/mo, not counting Experimentation MAU | | Enterprise (50M requests/mo) | $1,460/mo (1M free + 1M @ $0.0001 + 8M @ $0.000045 + 40M @ $0.000025) | Custom Enterprise pricing — contact sales |

Reporting and analytics

Although LaunchDarkly has basic reporting features, PostHog has a more expansive analytics suite. Visualizations, funnels, retention, SQL querying, and session replays are all integrated with flags and A/B testing data. This enables you to do deeper analysis of their impact and combine them with other product and usage data.

Integrations

Both PostHog and LaunchDarkly have a range of integrations that enable them to import, export, enhance, and make use of data.

LaunchDarkly has more pre-built integrations, but some are only available on higher paid plans, and others replicate functionality built-in to PostHog as standard. These include environments as a service, observability tools, workflow management, and more.

PostHog’s event-based structure enables you to import data from anywhere for use with flags and experiments. The free API enables you to connect, edit, and capture from anywhere, too.

PostHog’s data warehouse lets you import external data for use directly in experiments.

Security and compliance

Both PostHog and LaunchDarkly enable companies to remain secure and compliant with privacy regulations. Companies can customize the levels of user privacy related to these platforms to their needs.

Many of LaunchDarkly’s advanced compliance tools are only available on its enterprise plans. PostHog also features SSO and SAML in its enterprise edition.

Which tool should you choose?

• Want feature flags tightly integrated with analytics, session replay, experiments, error tracking, and more in one platform? PostHog
• Need enterprise-grade release governance, approval workflows, and the widest SDK coverage available? LaunchDarkly
• Building a fast-moving startup that wants to ship and measure without managing multiple tools? PostHog
• In a regulated industry that requires audit trails, SCIM provisioning, and enterprise SSO out of the box? LaunchDarkly

Install PostHog with one command

Paste this into your terminal and make AI do all the work.

npx @posthog/wizard

Learn more

Frequently asked questions