Mercer Mettl
Mercer Mettl is a comprehensive online assessment platform providing holistic talent evaluation tools including psychometric tests, technical coding simulators, and automated remote proctoring to streamline your global hiring and development.
TAO Testing
TAO Testing is a flexible open-source assessment platform that allows you to create, deliver, and manage high-stakes digital exams and classroom tests using interoperable QTI standards.
Quick Comparison
| Feature | Mercer Mettl | TAO Testing |
|---|---|---|
| Website | mettl.com | taotesting.com |
| Pricing Model | Custom | Freemium |
| Starting Price | Custom Pricing | Free |
| FREE Trial | ✓ 0 days free trial | ✘ No free trial |
| Free Plan | ✘ No free plan | ✓ Has free plan |
| Product Demo | ✓ Request demo here | ✓ Request demo here |
| Deployment | ||
| Integrations | ||
| Target Users | ||
| Target Industries | ||
| Customer Count | 0 | 0 |
| Founded Year | 2010 | 2013 |
| Headquarters | Gurugram, India | Luxembourg, Luxembourg |
Overview
Mercer Mettl
Mercer Mettl provides you with a robust suite of online assessment tools designed to take the guesswork out of hiring and employee development. You can screen candidates using a vast library of pre-built tests covering cognitive abilities, technical skills, and personality traits. The platform features advanced coding simulators and video interviews, allowing you to evaluate real-world performance before making a job offer.
You can also secure your high-stakes exams with AI-powered remote proctoring that detects suspicious behavior in real-time. Whether you are managing university admissions or corporate certifications, the platform helps you scale your evaluation process globally. It simplifies the entire talent lifecycle from initial recruitment to internal leadership development and high-potential identification.
TAO Testing
TAO Testing provides you with a highly customizable environment for building and deploying digital assessments. Whether you are managing large-scale national exams or daily classroom quizzes, you can design complex items using the QTI standard to ensure your content remains portable and future-proof. You can manage the entire assessment lifecycle from a single hub, including authoring, test assembly, delivery, and results reporting.
The platform is designed for K-12 education, higher education, and professional certification bodies that need to move away from proprietary, locked-in systems. Because it is built on open-source architecture, you can scale your testing infrastructure to support thousands of simultaneous test-takers while maintaining full control over your data and hosting environment. It helps you eliminate manual grading and paper-based logistics through automated scoring and secure online delivery.
Overview
Mercer Mettl Features
- Online Proctoring Prevent cheating during remote exams with AI-based facial recognition and browser lockdown features that ensure total assessment integrity.
- Coding Simulators Evaluate developers in real-time across 28+ programming languages using an interactive environment that mimics actual working conditions.
- Psychometric Tools Measure personality traits and behavioral tendencies to ensure your new hires align perfectly with your company culture and values.
- Aptitude Testing Assess critical thinking, logical reasoning, and numerical ability with scientifically validated tests that predict future job performance.
- Virtual Assessment Centers Run complex group exercises and role-plays digitally to identify leadership potential without the logistical headaches of in-person events.
- Custom Test Creation Build your own specialized assessments by choosing from a repository of over 100,000 questions across various industries and roles.
TAO Testing Features
- QTI Item Authoring. Create interactive and accessible assessment items using industry-standard QTI 3.0 to ensure your content works across different platforms.
- Test Assembly. Organize your items into structured tests with custom scoring rules, time limits, and navigation controls to match your specific requirements.
- Secure Delivery. Deliver exams safely to any device with built-in security features and support for lockdown browsers to prevent cheating during high-stakes tests.
- Automated Scoring. Save hours of manual work by setting up automated scoring for multiple-choice, matching, and complex interactive response types.
- Results Analytics. Monitor student performance in real-time and generate detailed reports to identify learning gaps and improve your curriculum effectiveness.
- Open Source Core. Access the source code to customize the platform's functionality or host it on your own servers for total data sovereignty.
Pricing Comparison
Mercer Mettl Pricing
TAO Testing Pricing
- Open-source core access
- Standard QTI authoring
- Self-hosted deployment
- Community-based support
- Basic test delivery tools
- Everything in Community, plus:
- Fully managed hosting
- Technical support SLA
- Advanced security features
- Automatic software updates
- Scalable delivery infrastructure
Pros & Cons
Mercer Mettl
Pros
- Extensive library of pre-built technical and behavioral tests
- Highly reliable AI proctoring for remote exam security
- Detailed candidate reports that are easy to interpret
- Responsive customer support during high-stakes testing windows
Cons
- User interface can feel cluttered for first-time administrators
- Customization of reports requires a learning curve
- Occasional lag reported during high-volume concurrent testing
TAO Testing
Pros
- Open-source nature prevents vendor lock-in
- Strict adherence to QTI interoperability standards
- Highly scalable for high-volume exam periods
- Extensive customization options for developers
- Supports a wide variety of interactive items
Cons
- Significant technical expertise required for self-hosting
- User interface has a steeper learning curve
- Documentation can be overly technical for teachers
- Initial setup and configuration is time-consuming