Heap vs Weaviate: Full Comparison (2026)
Pricing, features, scores, and a clear verdict on which one is right for you.
The bottom line
Heap positions itself as "automatically capture everything users do" while Weaviate goes after "the ai-native vector database" — so the right pick depends on which problem you're actually solving. Both use freemium pricing, but Heap charges custom while Weaviate charges per cluster — a meaningful difference for larger teams. Heap (founded 2013) has had more time to build out its ecosystem and integrations, while Weaviate (2019) tends to move faster on modern UX and newer workflows.
At a glance
| Heap | Weaviate | |
|---|---|---|
| Our score | 80/100 | 83/100 |
| Starting price | Free | Free |
| Free tier | Yes | Yes |
| Best for | Automatically capture everything users do | The AI-native vector database |
Pricing comparison
Calculate your cost
Feature comparison
core
| Feature | Heap | Weaviate |
|---|---|---|
| Auto-capture events | Yes | No |
| Funnel analysis | Yes | No |
| Retention analysis | Yes | No |
| User segmentation | Yes | No |
| Session replay | Yes | No |
| Vector search | No | Yes |
| Hybrid search | No | Yes |
| Multi-modal | No | Yes |
| GraphQL API | No | Yes |
| REST API | No | Yes |
Ratings breakdown
What the data tells us
Key capabilities you'd miss
Choosing Heap means going without Vector search, Hybrid search, Multi-modal (which Weaviate offers). Choosing Weaviate means losing Auto-capture events, Funnel analysis, Retention analysis. These are the features that typically drive the final decision — check whether your workflow depends on any of them before committing.
What company size tells you
Weaviate (51-200 employees) has the engineering bench to ship features across many fronts but may iterate slower on individual requests. Heap (201-500 employees) typically ships faster on its core product but may lag on peripheral features. Consider which matters more for your roadmap.
Choose Heap if...
- You want a free tier to get started
- You value an intuitive, easy-to-use interface
- You need enterprise-grade capabilities
Choose Weaviate if...
- You want a free tier to get started
- You value powerful features over simplicity
- Getting strong value for money is a priority
Frequently asked questions
Is Heap or Weaviate better?
Weaviate scores 83/100 compared to Heap's 80/100 on VendorVS. However, the best choice depends on your needs — Heap excels at ease of use (8/10) while Weaviate scores 7/10.
How much does Heap cost compared to Weaviate?
Heap starts at free (free tier available). Weaviate starts at free (free tier available). Heap is the more affordable option.
Does Heap or Weaviate have a free plan?
Yes, both Heap and Weaviate offer free tiers, so you can try each before committing to a paid plan.
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