Braintrust vs Hex
Updated June 2026 · A structured head-to-head comparison.
Evaluation platform for AI applications.
The verdict
Both Braintrust and Hex are credible ai machine learning tools, and the right pick comes down to your priorities.
Braintrust — Evaluation platform for AI applications.
Choose Hex if you'd rather have a higher overall rating (4.7/5). Collaborative analytics notebooks with AI.
Braintrust vs Hex: side by side
| Dimension | Braintrust | Hex |
|---|---|---|
| Starting price | Free – $249/mo | Free – $36/user/mo |
| Free plan | Yes | Yes |
| Pricing model | Freemium | Freemium |
| Best for | Developers, Ai Engineers, Enterprise | Data Teams |
| Platforms | Web, Api | Web |
| Rating | 4.5/5 | 4.7/5Winner |
Braintrust key facts
- Vendor
- Braintrust
- Pricing
- Freemium — Free – $249/mo
- Free tier
- Yes
- Platforms
- Web, Api
- Best for
- Developers, Ai Engineers, Enterprise
- Editor rating
- 4.5 / 5
- Founded
- 2023
- Headquarters
- San Francisco, CA, USA
Hex key facts
- Vendor
- Hex
- Pricing
- Freemium — Free – $36/user/mo
- Free tier
- Yes
- Platforms
- Web
- Best for
- Data Teams
- Editor rating
- 4.7 / 5
- Founded
- 2019
- Headquarters
- San Francisco, CA, USA
Frequently asked questions
Is Braintrust better than Hex?
Neither is universally better — Hex edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is Braintrust or Hex cheaper?
Braintrust is the more affordable of the two to get started, at free – $249/mo. Braintrust starts at free – $249/mo; Hex starts at free – $36/user/mo.
Can Braintrust replace Hex?
Yes for most teams — both are ai machine learning tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.