§ The result
Saville Assessment leads Tengai by 6 points.
Saville Assessment scores 48 and Tengai 42 under rubric v1.0, a 6-point gap across the Assessment and Screening cohorts. Tengai takes 1 of the 7 criteria, Human Oversight Design among them, against 6 for Saville Assessment, whose share includes FRIA Support. Even FRIA Support, the widest raw gap and the heaviest weighted swing (Saville Assessment 40, Tengai 28, 15% weight), is only 29% of the weighted advantage Saville Assessment builds across the 6 criteria it leads.
Vendor profile
Saville Assessment
Saville Assessment publishes the Wave personality questionnaires, Swift aptitude tests and situational judgment tests. They are scored automatically against norm groups and delivered through the Oasys platform, the Wave Connect hiring platform (which uses AI to build role profiles from job descriptions) and a two-minute Screener that returns a fit band into the employer's ATS.
Vendor profile
Tengai
Tengai runs structured screening interviews through a browser-based AI avatar and combines candidates' yes/no qualification answers, a Five-Factor-based personality score and recruiter ratings of open answers into an automatically ranked shortlist.
§ The record
Saville Assessment is filed under Assessment AI, Tengai under Screening AI. They record no secondary category in common.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act, Colorado AI Act and Mobley v. Workday.
| Record | Saville Assessment | Tengai |
|---|---|---|
| Price tier | Enterprise | Mid |
| Headquarters | GB | SE |
| Founded | 2004 | 2019 |
§ What decides it
The criteria that move the gap, heaviest swing first.
15% weight · 28% of the movement so far
FRIA Support
Saville Assessment 40 · Tengai 28
1.8 weighted points to Saville Assessment
18% weight · 52% of the movement so far
Bias Audit Transparency
Saville Assessment 42 · Tengai 33
1.6 weighted points to Saville Assessment
20% weight · 68% of the movement so far
Article 11 Technical Documentation
Saville Assessment 50 · Tengai 45
1.0 weighted points to Saville Assessment
15% weight · 79% of the movement so far
Data Governance Disclosure
Saville Assessment 55 · Tengai 50
0.8 weighted points to Saville Assessment
12% weight · 88% of the movement so far
Post-Market Monitoring
Saville Assessment 38 · Tengai 33
0.6 weighted points to Saville Assessment
8% weight · 94% of the movement so far
Customer Documentation
Saville Assessment 60 · Tengai 55
0.4 weighted points to Saville Assessment
12% weight · 100% of the movement so far
Human Oversight Design
Saville Assessment 55 · Tengai 58
0.4 weighted points to Tengai
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +5.8 — the difference between the two totals before either is rounded. Shares are of 6.5 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +6 beside that +5.8.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Saville Assessment minus Tengai.
| Category | Weight | Saville Assessment | Tengai | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 50 | 45 | +5 | +1.0 |
| Bias Audit Transparency | 18% | 42 | 33 | +9 | +1.6 |
| FRIA Support | 15% | 40 | 28 | +12 | +1.8 |
| Data Governance Disclosure | 15% | 55 | 50 | +5 | +0.8 |
| Human Oversight Design | 12% | 55 | 58 | -3 | -0.4 |
| Post-Market Monitoring | 12% | 38 | 33 | +5 | +0.6 |
| Customer Documentation | 8% | 60 | 55 | +5 | +0.4 |
| Total | 100% | 48 (F) | 42 (F) | +6 | +5.8 |
§ 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 | Saville Assessment | Tengai | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 5 | 1 | Audit reportSources on the vendor's own domainSources on a separate domain | 7 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 4 | 1 | Audit reportSources on the vendor's own domainSources on a separate domain | 5 | 1 | Sources on the vendor's own domain |
| FRIA Support | 15% | 3 | 1 | Sources on the vendor's own domain | 4 | 1 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 5 | 1 | Sources on the vendor's own domain | 6 | 0 | Sources on the vendor's own domainSources on a separate domain |
| Human Oversight Design | 12% | 6 | 0 | Sources on the vendor's own domain | 6 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 5 | 1 | Sources on the vendor's own domain | 4 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 6 | 1 | Sources on the vendor's own domain | 5 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 34 | 6 | Audit reportSources on the vendor's own domainSources on a separate domain | 37 | 5 | Sources on the vendor's own domainSources on a separate domain |
Saville Assessment has 40 evidence rows across 7 of 7 criteria — 34 with a source URL, 6 documented absences; Tengai has 42 evidence rows across 7 of 7 criteria — 37 with a source URL, 5 documented absences; some documentation or audit rows for Saville Assessment and Tengai sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 82 evidence rows on file for these two vendors: 40 for Saville Assessment, across 2 distinct source domains, and 42 for Tengai, across 4 distinct source domains.
- Rubric
- v1.0
- Saville Assessment last reviewed
- September 25, 2026 · HireAIScore editorial team
- Tengai 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