§ The result
Tenzo AI leads Saville Assessment by 8 points.
Under rubric v1.0, Tenzo AI, filed under Screening, finishes on 56 and Saville Assessment, filed under Assessment, on 48, 8 points apart. Tenzo AI leads 4 of the 7 criteria, including Bias Audit Transparency, while Saville Assessment leads 1, including Article 11 Technical Documentation, and 2 are level. Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing — Saville Assessment 42, Tenzo AI 83 — and at an 18% weight it carries 82% of the weighted advantage Tenzo AI holds across the 4 criteria on that side of the table.
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
Tenzo AI
Tenzo AI's AI recruiter, Morgan, screens and interviews applicants by phone, SMS, email, WhatsApp or video in 40+ languages, scores them against employer-defined rubrics with fraud and identity checks, schedules next rounds, and writes scores, transcripts and recordings back to the customer's ATS.
§ The record
Saville Assessment is filed under Assessment AI, Tenzo AI 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 | Tenzo AI |
|---|---|---|
| Price tier | Enterprise | Mid |
| Headquarters | GB | US |
| Founded | 2004 | 2024 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 74% of the movement so far
Bias Audit Transparency
Saville Assessment 42 · Tenzo AI 83
7.4 weighted points to Tenzo AI
20% weight · 84% of the movement so far
Article 11 Technical Documentation
Saville Assessment 50 · Tenzo AI 45
1.0 weighted points to Saville Assessment
12% weight · 92% of the movement so far
Post-Market Monitoring
Saville Assessment 38 · Tenzo AI 45
0.8 weighted points to Tenzo AI
12% weight · 98% of the movement so far
Human Oversight Design
Saville Assessment 55 · Tenzo AI 60
0.6 weighted points to Tenzo AI
8% weight · 100% of the movement so far
Customer Documentation
Saville Assessment 60 · Tenzo AI 62
0.2 weighted points to Tenzo AI
Weighted delta is the raw difference times the criterion weight, so the 5 figures above sum to -8.0 — the difference between the two totals before either is rounded. Shares are of 10.0 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -8 beside that -8.0.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Saville Assessment minus Tenzo AI.
| Category | Weight | Saville Assessment | Tenzo AI | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 50 | 45 | +5 | +1.0 |
| Bias Audit Transparency | 18% | 42 | 83 | -41 | -7.4 |
| FRIA Support | 15% | 40 | 40 | - | - |
| Data Governance Disclosure | 15% | 55 | 55 | - | - |
| Human Oversight Design | 12% | 55 | 60 | -5 | -0.6 |
| Post-Market Monitoring | 12% | 38 | 45 | -7 | -0.8 |
| Customer Documentation | 8% | 60 | 62 | -2 | -0.2 |
| Total | 100% | 48 (F) | 56 (F) | -8 | -8.0 |
§ 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 | Saville Assessment | Tenzo AI | ||||
|---|---|---|---|---|---|---|---|
| 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 | 4 | 1 | Sources on the vendor's own domainSources on a separate domain |
| Bias Audit Transparency | 18% | 4 | 1 | Audit reportSources on the vendor's own domainSources on a separate domain | 4 | 1 | Audit reportSources on a separate domain |
| FRIA Support | 15% | 3 | 1 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 5 | 1 | Sources on the vendor's own domain | 5 | 0 | Sources on the vendor's own 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 | 3 | 1 | Audit reportSources on the vendor's own domainSources on a separate domain |
| Customer Documentation | 8% | 6 | 1 | Sources on the vendor's own domain | 5 | 0 | Sources on the vendor's own domain |
| All criteria | 100% | 34 | 6 | Audit reportSources on the vendor's own domainSources on a separate domain | 30 | 4 | Audit reportSources 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; Tenzo AI has 34 evidence rows across 7 of 7 criteria — 30 with a source URL, 4 documented absences; some documentation or audit rows for Saville Assessment and Tenzo AI sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 74 evidence rows on file for these two vendors: 40 for Saville Assessment, across 2 distinct source domains, and 34 for Tenzo AI, across 2 distinct source domains.
- Rubric
- v1.0
- Saville Assessment last reviewed
- September 25, 2026 · HireAIScore editorial team
- Tenzo AI 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