PostHog vs CEBRA
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. CEBRA is completely free, while PostHog is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Product analytics
- Session replay
- Feature flags and experiments
- SQL data warehouse
- AI assistant
- Self-supervised latent embeddings
- Behavior-guided and discovery modes
- Neural decoding
- Colab demo notebooks
- Python package
| Feature | PostHog | CEBRA |
|---|---|---|
| Best for | Open-source product analytics suite with an AI assistant | Self-supervised method for embedding joint neural and behavior data |
| Category | Data & analytics | Data & analytics |
| Pricing model | Freemium | Free |
| Starting price | See pricing page | Free |
| Free plan | Yes | Yes, fully free |
| Made by | PostHog | Mathis Lab, EPFL |
| Based in | United States | Switzerland |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
CEBRA is completely free, while PostHog is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- 1M analytics events/month
- 5K session recordings
- 1M feature flag requests
- 1 project, 1-year retention
Pay-as-you-go
Usage-based after free tier
- Unlimited usage
- 6 projects
- 7-year data retention
- Per-product billing limits
Enterprise
Contact sales
- Annual plans and volume discounts
- Platform features and onboarding help
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
PostHog
- Many tools in one product
- Large free monthly allowance
- Transparent pricing
- Interface can feel crowded
- Usage costs grow with traffic
CEBRA
- Free and open source
- Peer-reviewed in Nature
- Good documentation and demos
- Aimed at researchers, not general users
- Requires Python and ML knowledge
- Best suited to neural data
Which one should you choose?
Choose PostHog if you want:
- Many tools in one product
- Large free monthly allowance
- Transparent pricing
Watch out: interface can feel crowded.
Choose CEBRA if you want:
- Free and open source
- Peer-reviewed in Nature
- Good documentation and demos
Watch out: aimed at researchers, not general users.
PostHog vs CEBRA FAQ
What is the difference between PostHog and CEBRA?
PostHog: Open-source product analytics suite with an AI assistant. CEBRA: Self-supervised method for embedding joint neural and behavior data. Both are data & analytics tools.
Is PostHog or CEBRA cheaper?
CEBRA is completely free, while PostHog is freemium.
Do PostHog and CEBRA have free plans?
PostHog: Yes. CEBRA: Yes, fully free.
Who makes PostHog?
PostHog is made by PostHog, based in United States.
Who makes CEBRA?
CEBRA is made by Mathis Lab, EPFL, based in Switzerland.
Which should I choose, PostHog or CEBRA?
Choose PostHog if you value many tools in one product and large free monthly allowance. Choose CEBRA if you value free and open source and peer-reviewed in nature.