§ The result
Eightfold AI leads Spark Hire by 11 points.
Eightfold AI sits 11 points above Spark Hire under rubric v1.0 — 64 (D) against 53 (F) — with Eightfold AI filed under Sourcing and Spark Hire under Video interview. Eightfold AI leads 4 of the 7 criteria, including Bias Audit Transparency, while Spark Hire leads 2, including Customer Documentation, and 1 is level. Bias Audit Transparency is the widest raw gap and the heaviest weighted swing at once (Eightfold AI 85, Spark Hire 62, 18% weight), but it accounts for only 37% of the weighted advantage Eightfold AI holds across the 4 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
Spark Hire
Spark Hire is a hiring platform combining one-way (async) and live video interviewing with an applicant tracking system (via its Comeet acquisition), and adds AI features that score and rank candidates' resumes and one-way video responses to help recruiters prioritize submissions.
§ The record
Eightfold AI is filed under Candidate sourcing AI, Spark Hire under Video interview 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 Spark Hire is in scope of Illinois HB 3773 and Mobley v. Workday.
| Record | Eightfold AI | Spark Hire |
|---|---|---|
| Price tier | Enterprise | Mid |
| Headquarters | US | US |
| Founded | 2016 | 2012 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 35% of the movement so far
Bias Audit Transparency
Eightfold AI 85 · Spark Hire 62
4.1 weighted points to Eightfold AI
20% weight · 64% of the movement so far
Article 11 Technical Documentation
Eightfold AI 75 · Spark Hire 58
3.4 weighted points to Eightfold AI
15% weight · 83% of the movement so far
FRIA Support
Eightfold AI 45 · Spark Hire 30
2.3 weighted points to Eightfold AI
12% weight · 95% of the movement so far
Post-Market Monitoring
Eightfold AI 50 · Spark Hire 38
1.4 weighted points to Eightfold AI
8% weight · 98% of the movement so far
Customer Documentation
Eightfold AI 60 · Spark Hire 64
0.3 weighted points to Spark Hire
12% weight · 100% of the movement so far
Human Oversight Design
Eightfold AI 60 · Spark Hire 62
0.2 weighted points to Spark Hire
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to +10.7 — the difference between the two totals before either is rounded. Shares are of 11.8 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +11 beside that +10.7.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Eightfold AI minus Spark Hire.
| Category | Weight | Eightfold AI | Spark Hire | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 75 | 58 | +17 | +3.4 |
| Bias Audit Transparency | 18% | 85 | 62 | +23 | +4.1 |
| FRIA Support | 15% | 45 | 30 | +15 | +2.3 |
| Data Governance Disclosure | 15% | 60 | 60 | - | - |
| Human Oversight Design | 12% | 60 | 62 | -2 | -0.2 |
| Post-Market Monitoring | 12% | 50 | 38 | +12 | +1.4 |
| Customer Documentation | 8% | 60 | 64 | -4 | -0.3 |
| Total | 100% | 64 (D) | 53 (F) | +11 | +10.7 |
§ 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 | Spark Hire | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 3 | 0 | Sources on the vendor's own domain | 2 | 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 | 3 | 0 | Audit reportSources on a separate domain |
| FRIA Support | 15% | 2 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 1 | 0 | — | 3 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 1 | 0 | — | 3 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 1 | 1 | — | 2 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 2 | 0 | Sources on the vendor's own domain | 2 | 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 | 16 | 4 | 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; Spark Hire has 20 evidence rows across 7 of 7 criteria — 16 with a source URL, 4 documented absences; some documentation or audit rows for Eightfold AI and Spark Hire sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 35 evidence rows on file for these two vendors: 15 for Eightfold AI, across 2 distinct source domains, and 20 for Spark Hire, across 2 distinct source domains.
- Rubric
- v1.0
- Eightfold AI last reviewed
- May 21, 2026 · HireAIScore editorial team
- Spark Hire last reviewed
- June 7, 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