§ The result
Bullhorn leads hackajob by 9 points.
Bullhorn scores 54 and hackajob 45 under rubric v1.0, a 9-point gap across the ATS-integrated and Sourcing cohorts. The 7 criteria split 5 to 1 in favour of Bullhorn, with 1 level: Bullhorn is ahead on Bias Audit Transparency and hackajob on Post-Market Monitoring. One criterion, Bias Audit Transparency, is both the widest raw gap (Bullhorn 58, hackajob 20) and the heaviest weighted swing, and at 18% weight it makes up 76% of the weighted advantage Bullhorn holds across the 5 criteria it leads.
Vendor profile
Bullhorn
Bullhorn is a cloud-based applicant tracking system and CRM for staffing and recruiting agencies, with AI features (Bullhorn Copilot/Amplify, automation, and Textkernel-powered search and match) that source, screen, and rank candidates against jobs.
Vendor profile
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.
§ The record
Bullhorn is filed under ATS-integrated AI, hackajob under Candidate sourcing AI. They also share 1 secondary category: Screening.
Both are in scope of EU AI Act, NYC LL 144, Colorado AI Act and Illinois HB 3773.
| Record | Bullhorn | hackajob |
|---|---|---|
| Price tier | High | Mid |
| Headquarters | US | GB |
| Founded | 1999 | 2014 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 73% of the movement so far
Bias Audit Transparency
Bullhorn 58 · hackajob 20
6.8 weighted points to Bullhorn
15% weight · 82% of the movement so far
FRIA Support
Bullhorn 38 · hackajob 32
0.9 weighted points to Bullhorn
12% weight · 89% of the movement so far
Human Oversight Design
Bullhorn 60 · hackajob 55
0.6 weighted points to Bullhorn
20% weight · 93% of the movement so far
Article 11 Technical Documentation
Bullhorn 62 · hackajob 60
0.4 weighted points to Bullhorn
12% weight · 97% of the movement so far
Post-Market Monitoring
Bullhorn 35 · hackajob 38
0.4 weighted points to hackajob
15% weight · 100% of the movement so far
Data Governance Disclosure
Bullhorn 60 · hackajob 58
0.3 weighted points to Bullhorn
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to +8.7 — the difference between the two totals before either is rounded. Shares are of 9.4 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +9 beside that +8.7.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Bullhorn minus hackajob.
| Category | Weight | Bullhorn | hackajob | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 62 | 60 | +2 | +0.4 |
| Bias Audit Transparency | 18% | 58 | 20 | +38 | +6.8 |
| FRIA Support | 15% | 38 | 32 | +6 | +0.9 |
| Data Governance Disclosure | 15% | 60 | 58 | +2 | +0.3 |
| Human Oversight Design | 12% | 60 | 55 | +5 | +0.6 |
| Post-Market Monitoring | 12% | 35 | 38 | -3 | -0.4 |
| Customer Documentation | 8% | 60 | 60 | - | - |
| Total | 100% | 54 (F) | 45 (F) | +9 | +8.7 |
§ 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 | Bullhorn | hackajob | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 2 | 1 | Sources on the vendor's own domain | 5 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 3 | 1 | Audit reportSources on the vendor's own domain | 4 | 1 | Sources on the vendor's own domain |
| FRIA Support | 15% | 1 | 1 | — | 5 | 0 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 3 | 0 | Sources on the vendor's own domain | 8 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 2 | 1 | Sources on the vendor's own domain | 6 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 1 | 1 | Sources on the vendor's own domain | 4 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 3 | 1 | Sources on the vendor's own domain | 6 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 15 | 6 | Audit reportSources on the vendor's own domain | 38 | 4 | Sources on the vendor's own domain |
Bullhorn has 20 evidence rows across 7 of 7 criteria — 15 with a source URL, 6 documented absences; hackajob has 42 evidence rows across 7 of 7 criteria — 38 with a source URL, 4 documented absences.
Provenance
The scores above are documented by 62 evidence rows on file for these two vendors: 20 for Bullhorn, across 2 distinct source domains, and 42 for hackajob, across 2 distinct source domains.
- Rubric
- v1.0
- Bullhorn last reviewed
- June 7, 2026 · HireAIScore editorial team
- hackajob last reviewed
- September 25, 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