§ The result
Glider AI leads Mercer | Mettl by 10 points.
Glider AI sits 10 points above Mercer | Mettl under rubric v1.0, 52 against 42, with both filed under Assessment. The 7 criteria split 6 to 1 in favour of Glider AI: Glider AI is ahead on Bias Audit Transparency and Mercer | Mettl on Data Governance Disclosure. One criterion, Bias Audit Transparency, is both the widest raw gap (Glider AI 68, Mercer | Mettl 42) and the heaviest weighted swing, and at 18% weight it makes up 44% of the weighted advantage Glider AI holds across the 6 criteria it leads.
Vendor profile
Glider AI
Glider AI is a skills-validation platform that screens and verifies candidates with auto-scored skills assessments and coding simulations, autonomous AI video and voice interviews that score responses against job requirements, live coding interviews, AI proctoring, and biometric ID verification.
Vendor profile
Mercer | Mettl
Mercer | Mettl is an online talent assessment and remote-proctoring platform offering psychometric, aptitude, coding, and skills tests plus AI-assisted exam proctoring and scoring for hiring, certification, and L&D.
§ The record
Glider AI and Mercer | Mettl are both filed under Assessment AI. They also share 2 secondary categories: Screening and Video interview.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act, Colorado AI Act and Mobley v. Workday.
| Record | Glider AI | Mercer | Mettl |
|---|---|---|
| Price tier | Mid | Mid |
| Headquarters | US | IN |
| Founded | 2020 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 43% of the movement so far
Bias Audit Transparency
Glider AI 68 · Mercer | Mettl 42
4.7 weighted points to Glider AI
20% weight · 70% of the movement so far
Article 11 Technical Documentation
Glider AI 52 · Mercer | Mettl 38
2.8 weighted points to Glider AI
12% weight · 81% of the movement so far
Human Oversight Design
Glider AI 55 · Mercer | Mettl 45
1.2 weighted points to Glider AI
15% weight · 90% of the movement so far
FRIA Support
Glider AI 35 · Mercer | Mettl 28
1.1 weighted points to Glider AI
8% weight · 96% of the movement so far
Customer Documentation
Glider AI 60 · Mercer | Mettl 52
0.6 weighted points to Glider AI
12% weight · 99% of the movement so far
Post-Market Monitoring
Glider AI 40 · Mercer | Mettl 38
0.2 weighted points to Glider AI
15% weight · 100% of the movement so far
Data Governance Disclosure
Glider AI 54 · Mercer | Mettl 55
0.1 weighted points to Mercer | Mettl
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +10.5 — the difference between the two totals before either is rounded. Shares are of 10.8 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +10 beside that +10.5.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Glider AI minus Mercer | Mettl.
| Category | Weight | Glider AI | Mercer | Mettl | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 52 | 38 | +14 | +2.8 |
| Bias Audit Transparency | 18% | 68 | 42 | +26 | +4.7 |
| FRIA Support | 15% | 35 | 28 | +7 | +1.1 |
| Data Governance Disclosure | 15% | 54 | 55 | -1 | -0.1 |
| Human Oversight Design | 12% | 55 | 45 | +10 | +1.2 |
| Post-Market Monitoring | 12% | 40 | 38 | +2 | +0.2 |
| Customer Documentation | 8% | 60 | 52 | +8 | +0.6 |
| Total | 100% | 52 (F) | 42 (F) | +10 | +10.5 |
§ Evidence
Cited sources and documented absences, criterion by criterion.
An absence is a finding, not a blank: the reviewer looked for a named artefact and recorded that it is not located. Where a source sits is a fact about hosting only.
| Criterion | Weight | Glider AI | Mercer | Mettl | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 3 | 1 | Sources on the vendor's own domainSources on a separate domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 3 | 1 | Audit reportSources on a separate domain | 0 | 1 | — |
| FRIA Support | 15% | 2 | 1 | Audit reportSources on the vendor's own domainSources on a separate domain | 1 | 1 | — |
| Data Governance Disclosure | 15% | 6 | 1 | Sources on the vendor's own domainSources on a separate domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 7 | 0 | Sources on the vendor's own domainSources on a separate domain | 2 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 2 | 1 | Audit reportSources on the vendor's own domainSources on a separate domain | 1 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 4 | 1 | Sources on the vendor's own domainSources on a separate domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 27 | 6 | Audit reportSources on the vendor's own domainSources on a separate domain | 9 | 5 | Sources on the vendor's own domain |
Glider AI has 33 evidence rows across 7 of 7 criteria — 27 with a source URL, 6 documented absences; Mercer | Mettl has 14 evidence rows across 7 of 7 criteria — 9 with a source URL, 5 documented absences; some documentation or audit rows for Glider AI sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 47 evidence rows on file for these two vendors: 33 for Glider AI, across 4 distinct source domains, and 14 for Mercer | Mettl, across 2 distinct source domains.
- Rubric
- v1.0
- Glider AI last reviewed
- September 25, 2026 · HireAIScore editorial team
- Mercer | Mettl last reviewed
- June 7, 2026 · HireAIScore editorial team
HireAIScore scores are editorial research, not legal advice, and no vendor pays for placement, scoring or removal — see the methodology, conflicts policy and terms.
§ Where next