Side-by-side · Rubric v1.0
hackajob vs Mercer | Mettl
hackajob
Archer, hackajob's AI sourcing agent, is calibrated by a recruiter on a hiring brief, then finds, engages and qualifies passive candidates from a 1.5m-member pool and 800m+ indexed profiles and invites those who meet the bar to apply through the employer's existing ATS.
Substantial gaps
Sourcing
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.
Substantial gaps
Assessment
The result
3 points separate hackajob and Mercer | Mettl.
hackajob holds a 3-point edge over Mercer | Mettl under rubric v1.0, 45 to 42, across the Sourcing and Assessment cohorts. The 7 criteria split 5 to 1 in favour of hackajob, with 1 level: hackajob is ahead on Article 11 Technical Documentation and Mercer | Mettl on Bias Audit Transparency. Article 11 Technical Documentation is both the widest raw gap and the heaviest weighted swing — hackajob 60, Mercer | Mettl 38 — and at a 20% weight it carries 60% of the weighted advantage hackajob holds across the 5 criteria on that side of the table.
Criteria won
7 criteria
- hackajob5
- Mercer | Mettl1
- Level1
- Widest raw gap
- Article 11 Technical Documentation60 vs 38
- Heaviest weighted swing
- Article 11 Technical Documentation20% weight
Keep this comparison
Both scores and all 7 criteria, side by side, in your inbox.
The record
Categories, scope and company facts.
hackajob is filed under Candidate sourcing AI, Mercer | Mettl under Assessment AI. They also share 1 secondary category: Screening.
Both are in scope of
Only Mercer | Mettl is in scope of
| Record | hackajob | Mercer | Mettl |
|---|---|---|
| Price tier | Mid | Mid |
| Headquarters | GB | IN |
| Founded | 2014 | 2010 |
What decides it
The criteria that move the gap, heaviest swing first.
- 1
Article 11 Technical Documentation
20% weight39% of the movement so far
hackajob60Mercer | Mettl384.4 weighted points to hackajob
- 2
Bias Audit Transparency
18% weight74% of the movement so far
hackajob20Mercer | Mettl424.0 weighted points to Mercer | Mettl
- 3
Human Oversight Design
12% weight85% of the movement so far
hackajob55Mercer | Mettl451.2 weighted points to hackajob
- 4
Customer Documentation
8% weight91% of the movement so far
hackajob60Mercer | Mettl520.6 weighted points to hackajob
- 5
FRIA Support
15% weight96% of the movement so far
hackajob32Mercer | Mettl280.6 weighted points to hackajob
- 6
Data Governance Disclosure
15% weight100% of the movement so far
hackajob58Mercer | Mettl550.4 weighted points to hackajob
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to +3.3 — the difference between the two totals before either is rounded. Shares are of 11.2 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +3 beside that +3.3.
Category-by-category
Raw score per criterion, with weighted delta.
Δ is hackajob minus Mercer | Mettl, coloured for whichever of the two it favours.
| Category | Weight | hackajob | Mercer | Mettl | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 60 | 38 | +22 | +4.4 |
| Bias Audit Transparency | 18% | 20 | 42 | -22 | -4.0 |
| FRIA Support | 15% | 32 | 28 | +4 | +0.6 |
| Data Governance Disclosure | 15% | 58 | 55 | +3 | +0.4 |
| Human Oversight Design | 12% | 55 | 45 | +10 | +1.2 |
| Post-Market Monitoring | 12% | 38 | 38 | - | - |
| Customer Documentation | 8% | 60 | 52 | +8 | +0.6 |
| Total | 100% | 45F | 42F | +3 | +3.3 |
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 | hackajob | 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% | 5 | 0 | Sources on the vendor's own domain | 1 | 1 | — |
| Data Governance Disclosure | 15% | 8 | 0 | 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 domain | 1 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 6 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 38 | 4 | Sources on the vendor's own domain | 9 | 5 | Sources on the vendor's own domain |
hackajob has 42 evidence rows across 7 of 7 criteria — 38 with a source URL, 4 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 56 evidence rows on file for these two vendors: 42 for hackajob, across 2 distinct source domains, and 14 for Mercer | Mettl, across 2 distinct source domains.
- Rubric
- v1.0
- hackajob last reviewed
- September 25, 2026 · HireAIScore editorial team
- Mercer | Mettl last reviewed
- June 7, 2026 · HireAIScore editorial team
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