Side-by-side · Rubric v1.0
Personio vs Workstream
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.
Substantial gaps
ATS-integrated
Workstream
Workstream is a mobile-first HR, payroll and hiring platform for hourly, multi-location employers such as QSR franchisees. Its hiring suite pairs a text-to-apply applicant tracking system with VoiceAI phone screens and VideoAI asynchronous video interviews, which return transcripts, AI summaries, pass/fail results for each question and match scores.
Substantial gaps
Screening
The result
1 point separates Personio and Workstream.
Personio holds a 1-point edge over Workstream under rubric v1.0, 40 to 39, across the ATS-integrated and Screening cohorts. The 7 criteria split 4 to 2 in favour of Personio, with 1 level: Personio is ahead on Post-Market Monitoring and Workstream on Human Oversight Design. Human Oversight Design is at once the widest raw gap and the heaviest weighted swing, and it belongs to Workstream — Personio 48, Workstream 61, on a 12% weight — which is 76% of the weighted advantage Workstream holds across the 2 criteria on that side of the table.
Criteria won
7 criteria
- Personio4
- Workstream2
- Level1
- Widest raw gap
- Human Oversight Design48 vs 61
- Heaviest weighted swing
- Human Oversight Design12% weight
Keep this comparison
Both scores and all 7 criteria, side by side, in your inbox.
The record
Categories, scope and company facts.
Personio is filed under ATS-integrated AI, Workstream under Screening AI. They record no secondary category in common.
Both are in scope of
Only Workstream is in scope of
| Record | Personio | Workstream |
|---|---|---|
| Price tier | Mid | Mid |
| Headquarters | DE | US |
| Founded | 2015 | 2017 |
What decides it
The criteria that move the gap, heaviest swing first.
- 1
Human Oversight Design
12% weight27% of the movement so far
Personio48Workstream611.6 weighted points to Workstream
- 2
Post-Market Monitoring
12% weight55% of the movement so far
Personio48Workstream351.6 weighted points to Personio
- 3
Bias Audit Transparency
18% weight71% of the movement so far
Personio25Workstream200.9 weighted points to Personio
- 4
Data Governance Disclosure
15% weight84% of the movement so far
Personio52Workstream470.8 weighted points to Personio
- 5
Customer Documentation
8% weight92% of the movement so far
Personio50Workstream560.5 weighted points to Workstream
- 6
FRIA Support
15% weight100% of the movement so far
Personio30Workstream270.4 weighted points to Personio
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to +1.6 — the difference between the two totals before either is rounded. Shares are of 5.7 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +1 beside that +1.6.
Category-by-category
Raw score per criterion, with weighted delta.
Δ is Personio minus Workstream, coloured for whichever of the two it favours.
| Category | Weight | Personio | Workstream | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 40 | 40 | - | - |
| Bias Audit Transparency | 18% | 25 | 20 | +5 | +0.9 |
| FRIA Support | 15% | 30 | 27 | +3 | +0.4 |
| Data Governance Disclosure | 15% | 52 | 47 | +5 | +0.8 |
| Human Oversight Design | 12% | 48 | 61 | -13 | -1.6 |
| Post-Market Monitoring | 12% | 48 | 35 | +13 | +1.6 |
| Customer Documentation | 8% | 50 | 56 | -6 | -0.5 |
| Total | 100% | 40F | 39F | +1 | +1.6 |
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 | Workstream | ||||
|---|---|---|---|---|---|---|---|
| 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 | 3 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 2 | 2 | Sources on the vendor's own domain | 5 | 1 | Sources on the vendor's own domain |
| FRIA Support | 15% | 2 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 2 | 1 | Sources on the vendor's own domainSources on a separate domain | 4 | 1 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 2 | 1 | Sources on the vendor's own domainSources on a separate domain | 7 | 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 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 | 28 | 6 | Sources 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; Workstream has 34 evidence rows across 7 of 7 criteria — 28 with a source URL, 6 documented absences; some documentation or audit rows for Personio and Workstream sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 54 evidence rows on file for these two vendors: 20 for Personio, across 5 distinct source domains, and 34 for Workstream, across 2 distinct source domains.
- Rubric
- v1.0
- Personio last reviewed
- August 2, 2026 · HireAIScore editorial team
- Workstream last reviewed
- September 25, 2026 · HireAIScore editorial team
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