§ The result
Eightfold AI leads Workstream by 25 points.
Eightfold AI (Sourcing) and Workstream (Screening) are 25 points apart under rubric v1.0, 64 (D) for Eightfold AI against 39 (F) for Workstream. Workstream takes 1 of the 7 criteria, Human Oversight Design among them, against 6 for Eightfold AI, whose share includes Bias Audit Transparency. Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing — Eightfold AI 85, Workstream 20 — and at an 18% weight it carries 46% of the weighted advantage Eightfold AI holds across the 6 criteria on that side of the table.
Vendor profile
Eightfold AI
Talent intelligence platform offering candidate matching, internal mobility, and career-site personalization on top of a deep-learning talent graph.
Vendor profile
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.
§ The record
Eightfold AI is filed under Candidate sourcing AI, Workstream under Screening AI. They also share 1 secondary category: ATS-integrated.
Both are in scope of EU AI Act, Colorado AI Act and NYC LL 144. Only Workstream is in scope of Illinois HB 3773 and Mobley v. Workday.
| Record | Eightfold AI | Workstream |
|---|---|---|
| Price tier | Enterprise | Mid |
| Headquarters | US | US |
| Founded | 2016 | 2017 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 46% of the movement so far
Bias Audit Transparency
Eightfold AI 85 · Workstream 20
11.7 weighted points to Eightfold AI
20% weight · 73% of the movement so far
Article 11 Technical Documentation
Eightfold AI 75 · Workstream 40
7.0 weighted points to Eightfold AI
15% weight · 84% of the movement so far
FRIA Support
Eightfold AI 45 · Workstream 27
2.7 weighted points to Eightfold AI
15% weight · 91% of the movement so far
Data Governance Disclosure
Eightfold AI 60 · Workstream 47
1.9 weighted points to Eightfold AI
12% weight · 98% of the movement so far
Post-Market Monitoring
Eightfold AI 50 · Workstream 35
1.8 weighted points to Eightfold AI
8% weight · 100% of the movement so far
Customer Documentation
Eightfold AI 60 · Workstream 56
0.3 weighted points to Eightfold AI
12% weight · 100% of the movement so far
Human Oversight Design
Eightfold AI 60 · Workstream 61
0.1 weighted points to Workstream
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +25.3 — the difference between the two totals before either is rounded. Shares are of 25.6 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +25 beside that +25.3.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Eightfold AI minus Workstream.
| Category | Weight | Eightfold AI | Workstream | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 75 | 40 | +35 | +7.0 |
| Bias Audit Transparency | 18% | 85 | 20 | +65 | +11.7 |
| FRIA Support | 15% | 45 | 27 | +18 | +2.7 |
| Data Governance Disclosure | 15% | 60 | 47 | +13 | +1.9 |
| Human Oversight Design | 12% | 60 | 61 | -1 | -0.1 |
| Post-Market Monitoring | 12% | 50 | 35 | +15 | +1.8 |
| Customer Documentation | 8% | 60 | 56 | +4 | +0.3 |
| Total | 100% | 64 (D) | 39 (F) | +25 | +25.3 |
§ 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 | Eightfold AI | Workstream | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 3 | 0 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 3 | 0 | Audit reportSources on the vendor's own domainSources on a separate 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% | 1 | 0 | — | 4 | 1 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 1 | 0 | — | 7 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 1 | 1 | — | 3 | 1 | Sources on the vendor's own domainSources on a separate domain |
| Customer Documentation | 8% | 2 | 0 | Sources on the vendor's own domain | 4 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 13 | 2 | Audit reportSources on the vendor's own domainSources on a separate domain | 28 | 6 | Sources on the vendor's own domainSources on a separate domain |
Eightfold AI has 15 evidence rows across 7 of 7 criteria — 13 with a source URL, 2 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 Eightfold AI and Workstream sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 49 evidence rows on file for these two vendors: 15 for Eightfold AI, across 2 distinct source domains, and 34 for Workstream, across 2 distinct source domains.
- Rubric
- v1.0
- Eightfold AI last reviewed
- May 21, 2026 · HireAIScore editorial team
- Workstream 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