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PostHog vs Split: Feature Flags Comparison (2026)

PostHog offers a transparent, usage-based pricing model with robust analytics, while Split provides a comprehensive feature set for continuous delivery and resilience testing, supporting multiple cloud environments.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask feature flags questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Too early to call — probes still building data.
ChatGPT
PostHog
Tracking…
No data yet
Split
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No data yet
Perplexity
PostHog
Tracking…
No data yet
Split
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No data yet
Gemini
PostHog
Tracking…
No data yet
Split
Tracking…
No data yet
Claude
PostHog
Tracking…
No data yet
Split
Tracking…
No data yet
Copilot
PostHog
Tracking…
No data yet
Split
Tracking…
No data yet
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

PostHog
Starting price
$0.00005/event
Free tier
Yes
posthog.com ↗
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Split
Starting price
—
Free tier
Yes
split.io ↗
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Key Features

PostHog
  • ✓Generous free tier
  • ✓Usage-based pricing
  • ✓Unlimited team members
  • ✓Community support
Split
  • ✓Open Source starter platform
  • ✓Continuous Delivery & GitOps
  • ✓World's fastest CI
  • ✓Infrastructure as Code Management
  • ✓Security Testing Orchestration
  • ✓Feature Management & Experimentation
  • ✓Resilience Testing
  • ✓Service Reliability Management

When to choose PostHog

You prioritize transparent, usage-based pricing, unlimited team members, and strong community support. PostHog also offers robust analytics features and various SSO integrations like Google, GitHub, and GitLab.

When to choose Split

You need a comprehensive platform for continuous delivery, GitOps, and feature management, with support for multiple cloud environments (AWS, Azure, Google Cloud). Split also provides integrations with GitHub, GitLab, Bitbucket, and Jenkins.

Frequently Asked Questions

What are the key differences in pricing?
PostHog has a usage-based pricing model starting at $0.00005/event with a generous free tier. Split does not disclose starting prices but offers a free tier and flexible, modular pricing, with enterprise plan pricing available upon contacting sales.
Which vendor offers better support for free users?
PostHog offers community support for its free tier, though it has usage limits and limited support. Split includes standard customer support but does not specify free tier support details.
What are the main feature set differences?
PostHog focuses on feature flags with unlimited team members, usage-based pricing, and robust analytics. Split offers an open-source starter platform with features like Continuous Delivery & GitOps, fastest CI, Infrastructure as Code Management, Security Testing Orchestration, Feature Management & Experimentation, Resilience Testing, and Service Reliability Management.
How do their integrations compare?
PostHog integrates with Google SSO, GitHub SSO, GitLab SSO, and Slack. Split integrates with GitHub, GitLab, Bitbucket, Jenkins, AWS, Azure, Google Cloud, and Slack.
Are there any limitations for either platform?
PostHog's pricing can be complex and potentially high at scale, and its free tier has usage limits. Split's DevOps Essentials plan has no on-premise support and is limited to specific use cases, and enterprise pricing is not publicly disclosed.

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