Head-to-head
PostHog vs Viant
Two leading analytics tools, compared on pricing, features, and editorial fit. Updated for 2026.
At a glance
| PostHog | Viant | |
|---|---|---|
| Tagline | The product OS for developers. | People-based programmatic advertising DSP for the open web |
| Pricing model | Freemium | Enterprise |
| Starts at | Free | Custom |
| Founded | 2020 | — |
| AI-native | ||
| Categories | Analytics | Programmatic & Ad Tech, Analytics |
| Vendor claimed |
Quick take
Pick PostHog if you need the product os for developers. Pick Viant if you need people-based programmatic advertising dsp for the open web.
Browse more
PostHog alternatives →
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Viant alternatives →
Frequently asked
- Is PostHog better than Viant?
- It depends on your use case. PostHog is the product os for developers, while Viant is people-based programmatic advertising dsp for the open web. See the comparison above for which fits your team.
- What's the price difference between PostHog and Viant?
- PostHog is free. Viant uses custom pricing.
- Can I migrate from PostHog to Viant?
- Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.