§ The result
CoderPad and Mercer | Mettl tie at 42.
CoderPad and Mercer | Mettl tie at 42 under rubric v1.0 inside the Assessment cohort, arriving there from different criteria. CoderPad leads 4 of the 7 criteria and Mercer | Mettl 2, with 1 level, yet the two totals land on the same number. One criterion, Bias Audit Transparency, is both the widest raw gap (CoderPad 20, Mercer | Mettl 42) and the heaviest weighted swing, and at 18% weight it makes up 96% of the weighted advantage Mercer | Mettl holds across the 2 criteria it leads.
Vendor profile
CoderPad
CoderPad is a technical hiring platform that auto-scores and ranks candidates on coding assessments (Screen), uses an AI reviewer to evaluate and rank applicants' asynchronous video pre-screen responses against employer criteria (Qualify), and hosts live collaborative coding interviews with AI assistance, note-taking and summaries (Interview).
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
CoderPad and Mercer | Mettl are both filed under Assessment AI. They also share 2 secondary categories: Video interview and Screening.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act, Colorado AI Act and Mobley v. Workday.
| Record | CoderPad | Mercer | Mettl |
|---|---|---|
| Price tier | Mid | Mid |
| Headquarters | US | IN |
| Founded | 2013 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 49% of the movement so far
Bias Audit Transparency
CoderPad 20 · Mercer | Mettl 42
4.0 weighted points to Mercer | Mettl
12% weight · 66% of the movement so far
Human Oversight Design
CoderPad 57 · Mercer | Mettl 45
1.4 weighted points to CoderPad
20% weight · 83% of the movement so far
Article 11 Technical Documentation
CoderPad 45 · Mercer | Mettl 38
1.4 weighted points to CoderPad
12% weight · 92% of the movement so far
Post-Market Monitoring
CoderPad 44 · Mercer | Mettl 38
0.7 weighted points to CoderPad
8% weight · 98% of the movement so far
Customer Documentation
CoderPad 58 · Mercer | Mettl 52
0.5 weighted points to CoderPad
15% weight · 100% of the movement so far
Data Governance Disclosure
CoderPad 54 · Mercer | Mettl 55
0.1 weighted points to Mercer | Mettl
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to -0.1 — the difference between the two totals before either is rounded. Shares are of 8.2 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads 0 beside that -0.1.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is CoderPad minus Mercer | Mettl.
| Category | Weight | CoderPad | Mercer | Mettl | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 45 | 38 | +7 | +1.4 |
| Bias Audit Transparency | 18% | 20 | 42 | -22 | -4.0 |
| FRIA Support | 15% | 28 | 28 | - | - |
| Data Governance Disclosure | 15% | 54 | 55 | -1 | -0.1 |
| Human Oversight Design | 12% | 57 | 45 | +12 | +1.4 |
| Post-Market Monitoring | 12% | 44 | 38 | +6 | +0.7 |
| Customer Documentation | 8% | 58 | 52 | +6 | +0.5 |
| Total | 100% | 42 (F) | 42 (F) | - | -0.1 |
§ 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 | CoderPad | Mercer | Mettl | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 4 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 6 | 1 | Sources on the vendor's own domain | 0 | 1 | — |
| FRIA Support | 15% | 3 | 1 | Sources on the vendor's own domain | 1 | 1 | — |
| Data Governance Disclosure | 15% | 5 | 1 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 6 | 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 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 domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 32 | 6 | Sources on the vendor's own domainSources on a separate domain | 9 | 5 | Sources on the vendor's own domain |
CoderPad has 38 evidence rows across 7 of 7 criteria — 32 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 CoderPad sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 52 evidence rows on file for these two vendors: 38 for CoderPad, across 2 distinct source domains, and 14 for Mercer | Mettl, across 2 distinct source domains.
- Rubric
- v1.0
- CoderPad 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