§ The result
Bullhorn leads ZipRecruiter by 14 points.
Bullhorn, filed under ATS-integrated, comes out 14 points above ZipRecruiter, filed under Sourcing: 54 against 40 under rubric v1.0. ZipRecruiter takes 1 of the 7 criteria, Post-Market Monitoring among them, against 6 for Bullhorn, whose share includes Bias Audit Transparency. Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing — Bullhorn 58, ZipRecruiter 24 — and at an 18% weight it carries 42% of the weighted advantage Bullhorn holds across the 6 criteria on that side of the table.
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
ZipRecruiter
ZipRecruiter is an online employment marketplace whose AI matching engine sends employers' job postings out, alerts matched job seekers and invites them to apply, and labels and ranks applicants (for example as 'Great Match') in the employer's candidate dashboard.
§ The record
Bullhorn is filed under ATS-integrated AI, ZipRecruiter 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 | ZipRecruiter |
|---|---|---|
| Price tier | High | Mid |
| Headquarters | US | US |
| Founded | 1999 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 41% of the movement so far
Bias Audit Transparency
Bullhorn 58 · ZipRecruiter 24
6.1 weighted points to Bullhorn
20% weight · 70% of the movement so far
Article 11 Technical Documentation
Bullhorn 62 · ZipRecruiter 40
4.4 weighted points to Bullhorn
15% weight · 81% of the movement so far
FRIA Support
Bullhorn 38 · ZipRecruiter 27
1.6 weighted points to Bullhorn
15% weight · 89% of the movement so far
Data Governance Disclosure
Bullhorn 60 · ZipRecruiter 52
1.2 weighted points to Bullhorn
12% weight · 93% of the movement so far
Human Oversight Design
Bullhorn 60 · ZipRecruiter 55
0.6 weighted points to Bullhorn
12% weight · 97% of the movement so far
Post-Market Monitoring
Bullhorn 35 · ZipRecruiter 40
0.6 weighted points to ZipRecruiter
8% weight · 100% of the movement so far
Customer Documentation
Bullhorn 60 · ZipRecruiter 54
0.5 weighted points to Bullhorn
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +13.8 — the difference between the two totals before either is rounded. Shares are of 15.0 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +14 beside that +13.8.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Bullhorn minus ZipRecruiter.
| Category | Weight | Bullhorn | ZipRecruiter | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 62 | 40 | +22 | +4.4 |
| Bias Audit Transparency | 18% | 58 | 24 | +34 | +6.1 |
| FRIA Support | 15% | 38 | 27 | +11 | +1.6 |
| Data Governance Disclosure | 15% | 60 | 52 | +8 | +1.2 |
| Human Oversight Design | 12% | 60 | 55 | +5 | +0.6 |
| Post-Market Monitoring | 12% | 35 | 40 | -5 | -0.6 |
| Customer Documentation | 8% | 60 | 54 | +6 | +0.5 |
| Total | 100% | 54 (F) | 40 (F) | +14 | +13.8 |
§ 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 | ZipRecruiter | ||||
|---|---|---|---|---|---|---|---|
| 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 domainSources on a separate domain |
| Bias Audit Transparency | 18% | 3 | 1 | Audit reportSources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domainSources on a separate domain |
| FRIA Support | 15% | 1 | 1 | — | 3 | 1 | Sources on the vendor's own domainSources on a separate domain |
| Data Governance Disclosure | 15% | 3 | 0 | Sources on the vendor's own domain | 4 | 0 | Sources on the vendor's own domainSources on a separate 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 | 3 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 3 | 1 | Sources on the vendor's own domain | 4 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 15 | 6 | Audit reportSources on the vendor's own domain | 28 | 5 | Sources on the vendor's own domainSources on a separate domain |
Bullhorn has 20 evidence rows across 7 of 7 criteria — 15 with a source URL, 6 documented absences; ZipRecruiter has 33 evidence rows across 7 of 7 criteria — 28 with a source URL, 5 documented absences; some documentation or audit rows for ZipRecruiter sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 53 evidence rows on file for these two vendors: 20 for Bullhorn, across 2 distinct source domains, and 33 for ZipRecruiter, across 6 distinct source domains.
- Rubric
- v1.0
- Bullhorn last reviewed
- June 7, 2026 · HireAIScore editorial team
- ZipRecruiter 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