PostHog vs Split: Feature Flags Comparison (2026)
An independent side-by-side comparison of PostHog and Split for feature flags buyers — pricing, features, integrations, and how often each is cited by major AI engines.
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
Tracking…
No data yet
Perplexity
PostHog
Tracking…
No data yet
Split
Tracking…
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
Key Features
PostHog
Feature data is being indexed.
Split
Feature data is being indexed.
When to choose PostHog
Choose PostHog if your team prioritizes its strengths over Split's. Full guidance populates as PostHog's feature data is indexed.
When to choose Split
Choose Split if your team prioritizes its strengths over PostHog's. Full guidance populates as Split's feature data is indexed.