§ The result
Eightfold AI leads Sova Assessment by 16 points.
Eightfold AI finishes 16 points clear of Sova Assessment under rubric v1.0 — 64 (D) against 48 (F) — across the Sourcing and Assessment cohorts. Eightfold AI leads 6 of the 7 criteria, including Bias Audit Transparency, while Sova Assessment leads 1, including Customer Documentation. Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing — Eightfold AI 85, Sova Assessment 38 — and at an 18% weight it carries 52% 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
Sova Assessment
Sova Assessment is a UK-based enterprise talent assessment platform combining personality questionnaires, cognitive and ability tests, situational judgement, video interviews, virtual assessment centres and AI-led role simulations into a single occupational-psychology-validated candidate scoring workflow.
§ The record
Eightfold AI is filed under Candidate sourcing AI, Sova Assessment under Assessment AI. They record no secondary category in common.
Both are in scope of EU AI Act, Colorado AI Act and NYC LL 144. Only Sova Assessment is in scope of Illinois HB 3773 and Mobley v. Workday.
| Record | Eightfold AI | Sova Assessment |
|---|---|---|
| Price tier | Enterprise | High |
| Headquarters | US | GB |
| Founded | 2016 | 2015 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 52% of the movement so far
Bias Audit Transparency
Eightfold AI 85 · Sova Assessment 38
8.5 weighted points to Eightfold AI
20% weight · 76% of the movement so far
Article 11 Technical Documentation
Eightfold AI 75 · Sova Assessment 55
4.0 weighted points to Eightfold AI
15% weight · 83% of the movement so far
Data Governance Disclosure
Eightfold AI 60 · Sova Assessment 52
1.2 weighted points to Eightfold AI
12% weight · 91% of the movement so far
Post-Market Monitoring
Eightfold AI 50 · Sova Assessment 40
1.2 weighted points to Eightfold AI
15% weight · 95% of the movement so far
FRIA Support
Eightfold AI 45 · Sova Assessment 40
0.8 weighted points to Eightfold AI
12% weight · 99% of the movement so far
Human Oversight Design
Eightfold AI 60 · Sova Assessment 55
0.6 weighted points to Eightfold AI
8% weight · 100% of the movement so far
Customer Documentation
Eightfold AI 60 · Sova Assessment 62
0.2 weighted points to Sova Assessment
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +16.0 — the difference between the two totals before either is rounded. Shares are of 16.4 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +16 beside that +16.0.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Eightfold AI minus Sova Assessment.
| Category | Weight | Eightfold AI | Sova Assessment | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 75 | 55 | +20 | +4.0 |
| Bias Audit Transparency | 18% | 85 | 38 | +47 | +8.5 |
| FRIA Support | 15% | 45 | 40 | +5 | +0.8 |
| Data Governance Disclosure | 15% | 60 | 52 | +8 | +1.2 |
| Human Oversight Design | 12% | 60 | 55 | +5 | +0.6 |
| Post-Market Monitoring | 12% | 50 | 40 | +10 | +1.2 |
| Customer Documentation | 8% | 60 | 62 | -2 | -0.2 |
| Total | 100% | 64 (D) | 48 (F) | +16 | +16.0 |
§ 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 | Sova Assessment | ||||
|---|---|---|---|---|---|---|---|
| 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 | 4 | 2 | 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 | Audit reportSources on the vendor's own domainSources on a separate domain |
| Human Oversight Design | 12% | 1 | 0 | — | 5 | 1 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 1 | 1 | — | 4 | 1 | Sources on the vendor's own domainSources on a separate domain |
| Customer Documentation | 8% | 2 | 0 | Sources on the vendor's own domain | 6 | 1 | Sources on the vendor's own domainSources on a separate domain |
| All criteria | 100% | 13 | 2 | Audit reportSources on the vendor's own domainSources on a separate domain | 28 | 8 | Audit reportSources 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; Sova Assessment has 34 evidence rows across 7 of 7 criteria — 28 with a source URL, 8 documented absences; some documentation or audit rows for Eightfold AI and Sova Assessment 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 Sova Assessment, across 3 distinct source domains.
- Rubric
- v1.0
- Eightfold AI last reviewed
- May 21, 2026 · HireAIScore editorial team
- Sova Assessment 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