Clay vs Hypothesis
Clay and Hypothesis are both Productivity tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | Clay | Hypothesis |
|---|---|---|
| Vendor | Clay | Hypothesis |
| Rating | ★ 4.6 | ★ 4.5 |
| Pricing | Paid | Freemium |
| Platforms | Web, API | Web, LMS |
| Key features | Claygent AI web researcher, 100+ data-source enrichments, AI personalized outreach at scale | In-page notes, Public or private, Open source |
| Headquarters | New York, USA | San Francisco, USA |
| Founded | 2017 | 2011 |
| Open source | No | Yes |
Key differences
- Clay has a higher user rating (4.6★ vs 4.5★).
- Clay is Paid, while Hypothesis is Freemium.
- Hypothesis is open source (its code is public), while Clay is proprietary.
- Clay runs on Web, API; Hypothesis runs on Web, LMS.
Frequently asked questions
Is Clay or Hypothesis better?
By user rating, Clay scores higher (4.6★ vs 4.5★). Both are capable Productivity tools, so review the feature comparison for your use case.
Which is cheaper, Clay or Hypothesis?
Clay is Paid and Hypothesis is Freemium. Check each product page for current plan details.
Are Clay and Hypothesis open source?
Hypothesis is open source, while Clay is proprietary.