§ The result
Wellfound leads Personio by 12 points.
Wellfound sits 12 points above Personio under rubric v1.0 — 52 against 40 — with Wellfound filed under Screening and Personio under ATS-integrated. Wellfound leads 4 of the 7 criteria, including Bias Audit Transparency, while Personio leads 2, including Data Governance Disclosure, and 1 is level. Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing — Personio 25, Wellfound 82 — and at an 18% weight it carries 80% of the weighted advantage Wellfound holds across the 4 criteria on that side of the table.
Vendor profile
Personio
Personio is a European cloud HR platform for small and mid-sized companies that combines an HRIS with recruiting/ATS, time tracking, payroll and an AI assistant, and is adding agentic AI candidate sourcing and application screening through its 2026 acquisition of aurio.
Vendor profile
Wellfound
Wellfound is a startup hiring marketplace and AI recruiting platform whose wellfound:ai suite auto-generates screening criteria from a job description, then scores and ranks inbound applicants (AI Resume Screening) and surfaces outbound candidates from a talent graph of 10M opt-in Wellfound profiles plus 500M+ enriched external profiles.
§ The record
Personio is filed under ATS-integrated AI, Wellfound under Screening AI. They also share 1 secondary category: Sourcing.
Both are in scope of EU AI Act, NYC LL 144, Colorado AI Act and Illinois HB 3773.
| Record | Personio | Wellfound |
|---|---|---|
| Price tier | Mid | Mid |
| Headquarters | DE | US |
| Founded | 2015 | 2012 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 72% of the movement so far
Bias Audit Transparency
Personio 25 · Wellfound 82
10.3 weighted points to Wellfound
12% weight · 83% of the movement so far
Post-Market Monitoring
Personio 48 · Wellfound 60
1.4 weighted points to Wellfound
15% weight · 90% of the movement so far
Data Governance Disclosure
Personio 52 · Wellfound 45
1.1 weighted points to Personio
8% weight · 94% of the movement so far
Customer Documentation
Personio 50 · Wellfound 58
0.6 weighted points to Wellfound
12% weight · 98% of the movement so far
Human Oversight Design
Personio 48 · Wellfound 52
0.5 weighted points to Wellfound
15% weight · 100% of the movement so far
FRIA Support
Personio 30 · Wellfound 28
0.3 weighted points to Personio
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to -11.5 — the difference between the two totals before either is rounded. Shares are of 14.2 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -12 beside that -11.5.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Personio minus Wellfound.
| Category | Weight | Personio | Wellfound | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 40 | 40 | - | - |
| Bias Audit Transparency | 18% | 25 | 82 | -57 | -10.3 |
| FRIA Support | 15% | 30 | 28 | +2 | +0.3 |
| Data Governance Disclosure | 15% | 52 | 45 | +7 | +1.1 |
| Human Oversight Design | 12% | 48 | 52 | -4 | -0.5 |
| Post-Market Monitoring | 12% | 48 | 60 | -12 | -1.4 |
| Customer Documentation | 8% | 50 | 58 | -8 | -0.6 |
| Total | 100% | 40 (F) | 52 (F) | -12 | -11.5 |
§ 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 | Personio | Wellfound | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 2 | 1 | Sources on the vendor's own domainSources on a separate domain | 2 | 2 | Sources on a separate domain |
| Bias Audit Transparency | 18% | 2 | 2 | Sources on the vendor's own domain | 5 | 0 | Audit reportSources on a separate domain |
| FRIA Support | 15% | 2 | 1 | Sources on the vendor's own domain | 1 | 2 | — |
| Data Governance Disclosure | 15% | 2 | 1 | Sources on the vendor's own domainSources on a separate domain | 3 | 2 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 2 | 1 | Sources on the vendor's own domainSources on a separate domain | 4 | 1 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 1 | 1 | Sources on the vendor's own domain | 3 | 1 | Audit reportSources on the vendor's own domainSources on a separate domain |
| Customer Documentation | 8% | 2 | 1 | Sources on the vendor's own domain | 4 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 13 | 8 | Sources on the vendor's own domainSources on a separate domain | 22 | 9 | Audit reportSources on the vendor's own domainSources on a separate domain |
Personio has 20 evidence rows across 7 of 7 criteria — 13 with a source URL, 8 documented absences; Wellfound has 27 evidence rows across 7 of 7 criteria — 22 with a source URL, 9 documented absences; some documentation or audit rows for Personio and Wellfound sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 47 evidence rows on file for these two vendors: 20 for Personio, across 5 distinct source domains, and 27 for Wellfound, across 3 distinct source domains.
- Rubric
- v1.0
- Personio last reviewed
- August 2, 2026 · HireAIScore editorial team
- Wellfound last reviewed
- August 2, 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