§ The result
4 points separate HackerEarth and Mercer | Mettl.
HackerEarth holds a 4-point edge over Mercer | Mettl under rubric v1.0, 46 to 42, with both scored in the Assessment cohort. HackerEarth leads 5 of the 7 criteria, including Article 11 Technical Documentation, while Mercer | Mettl leads 2, including Bias Audit Transparency. One criterion, Article 11 Technical Documentation, is both the widest raw gap (HackerEarth 55, Mercer | Mettl 38) and the heaviest weighted swing, and at 20% weight it makes up 55% of the weighted advantage HackerEarth holds across the 5 criteria it leads.
Vendor profile
HackerEarth
HackerEarth is a technical-hiring platform that auto-scores coding assessments under AI proctoring, runs FaceCode live coding interviews with AI-generated summaries, and offers OnScreen, an AI video-avatar interviewer that scores candidates against a fixed rubric.
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
HackerEarth and Mercer | Mettl are both filed under Assessment AI. They also share 1 secondary category: Video interview.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act, Mobley v. Workday and Colorado AI Act.
| Record | HackerEarth | Mercer | Mettl |
|---|---|---|
| Price tier | Mid | Mid |
| Headquarters | US | IN |
| Founded | 2012 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 43% of the movement so far
Article 11 Technical Documentation
HackerEarth 55 · Mercer | Mettl 38
3.4 weighted points to HackerEarth
12% weight · 60% of the movement so far
Human Oversight Design
HackerEarth 56 · Mercer | Mettl 45
1.3 weighted points to HackerEarth
18% weight · 76% of the movement so far
Bias Audit Transparency
HackerEarth 35 · Mercer | Mettl 42
1.3 weighted points to Mercer | Mettl
15% weight · 83% of the movement so far
FRIA Support
HackerEarth 32 · Mercer | Mettl 28
0.6 weighted points to HackerEarth
12% weight · 89% of the movement so far
Post-Market Monitoring
HackerEarth 42 · Mercer | Mettl 38
0.5 weighted points to HackerEarth
15% weight · 95% of the movement so far
Data Governance Disclosure
HackerEarth 52 · Mercer | Mettl 55
0.4 weighted points to Mercer | Mettl
8% weight · 100% of the movement so far
Customer Documentation
HackerEarth 57 · Mercer | Mettl 52
0.4 weighted points to HackerEarth
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +4.5 — the difference between the two totals before either is rounded. Shares are of 7.9 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +4 beside that +4.5.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is HackerEarth minus Mercer | Mettl.
| Category | Weight | HackerEarth | Mercer | Mettl | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 55 | 38 | +17 | +3.4 |
| Bias Audit Transparency | 18% | 35 | 42 | -7 | -1.3 |
| FRIA Support | 15% | 32 | 28 | +4 | +0.6 |
| Data Governance Disclosure | 15% | 52 | 55 | -3 | -0.4 |
| Human Oversight Design | 12% | 56 | 45 | +11 | +1.3 |
| Post-Market Monitoring | 12% | 42 | 38 | +4 | +0.5 |
| Customer Documentation | 8% | 57 | 52 | +5 | +0.4 |
| Total | 100% | 46 (F) | 42 (F) | +4 | +4.5 |
§ 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 | HackerEarth | Mercer | Mettl | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 5 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 4 | 1 | Sources on the vendor's own domain | 0 | 1 | — |
| FRIA Support | 15% | 2 | 1 | Sources on the vendor's own domain | 1 | 1 | — |
| Data Governance Disclosure | 15% | 6 | 0 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 8 | 0 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 4 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 5 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 34 | 5 | Sources on the vendor's own domain | 9 | 5 | Sources on the vendor's own domain |
HackerEarth has 39 evidence rows across 7 of 7 criteria — 34 with a source URL, 5 documented absences; Mercer | Mettl has 14 evidence rows across 7 of 7 criteria — 9 with a source URL, 5 documented absences.
Provenance
The scores above are documented by 53 evidence rows on file for these two vendors: 39 for HackerEarth, across 1 distinct source domain, and 14 for Mercer | Mettl, across 2 distinct source domains.
- Rubric
- v1.0
- HackerEarth 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