Detailed comparison across 10 dimensions
Winner: TAO (Open Assessment Technologies)
TAO (Open Assessment Technologies) clearly comes out ahead of Mercer Mettl on Staquest's weighted six-dimension score. TAO (Open Assessment Technologies) has a free tier; Mercer Mettl does not. TAO (Open Assessment Technologies)'s paid plans start at $499/mo.
| Overview | ||
|---|---|---|
| Type | hybrid | hybrid |
| Company | Open Assessment Technologies (OAT) | Mercer Mettl |
| Free Tier | ||
| Has API | ||
| Open Source | ||
| Trending | Stable | Stable |
| Industries | Education & EdTechDevelopmentCybersecurity & InfoSec | Education & EdTechDevelopmentHR & RecruitingAI & Machine Learning |
| Categories | edtech-lms | edtech-lms |
| Website | Visit | Visit |
TAO (Open Assessment Technologies)
open source
flat
flat
custom
custom
| Feature | tao-open-assessment-technologies | mercer-mettl |
|---|---|---|
| Access And Extend The Tao Source | ||
| Customized Assessment Packages | ||
| Community Support Via The Tao Community Forum | ||
| Dedicated Support | ||
| Custom Strategy Development | ||
| Scalable Assessment Delivery | ||
| Custom Training & Support | ||
| Tailored Hiring And Upskilling Solutions | ||
| Dedicated Account Management | ||
| Everything In Accelerate | ||
| Everything In Ignite | ||
| Everything In Tao Ce | ||
| Implementation For Legacy Systems | ||
| Item Customization | ||
| Live Orientation | ||
| Modular Authoring And Delivery Options | ||
| Monthly Check-Ins | ||
| Multi-Tenancy | ||
| New Feature & Roadmap Insights | ||
| Private Hosting In The Tao Cloud™ Or Custom 3Rd-Party Hosting Configuration | ||
| Service Desk Support | ||
| Specialized Add-On Tool Integration | ||
| Tao Admin Guide | ||
| Tao Cloud™ Hosting | ||
| Tao User Guide | ||
| Test Centers And Local Proctoring | ||
| Text-To-Speech Tools | ||
| Theming And Logo Branding Of Your Tao Environment | ||
| Usage Reports | ||
| User Adoption & Training |
Showing 30 of 30 features
Dashes mean the feature isn't listed in our data. The tool may still support it.
On Staquest's weighted six-dimension scoring, TAO (Open Assessment Technologies) comes out ahead overall, though Mercer Mettl can be the better fit depending on your priorities — see the dimension-by-dimension breakdown above.
TAO (Open Assessment Technologies) offers a free tier; Mercer Mettl does not currently list one.
Mercer Mettl scores higher on pricing value in Staquest's analysis. It is the highest-weighted dimension in this comparison.
TAO (Open Assessment Technologies) is open source. The feature comparison and dimension scores above cover the full breakdown.
