§ The result
Tenzo AI leads Ribbon on all 7 criteria.
Both filed under Screening, Tenzo AI and Ribbon come out 56 and 43 under rubric v1.0, 13 points in favour of Tenzo AI. Of the 7 criteria Ribbon wins none, and the narrowest lead Tenzo AI holds is on Article 11 Technical Documentation, Ribbon 42 to Tenzo AI 45. Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing — Ribbon 38, Tenzo AI 83 — and at an 18% weight it carries 65% of the weighted advantage Tenzo AI holds across the 7 criteria on that side of the table.
Vendor profile
Ribbon
Ribbon is an AI recruiter that runs voice and video screening interviews with applicants around the clock, scores each interview against default and custom rubrics, ranks candidates for recruiter review, and syncs the results to 60+ applicant tracking systems.
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
Ribbon and Tenzo AI are both filed under Screening AI. They also share 1 secondary category: Video interview.
Both are in scope of EU AI Act, NYC LL 144, Illinois HB 3773, Colorado AI Act and Mobley v. Workday.
| Record | Ribbon | Tenzo AI |
|---|---|---|
| Price tier | Low | Mid |
| Headquarters | CA | US |
| Founded | 2020 | 2024 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 65% of the movement so far
Bias Audit Transparency
Ribbon 38 · Tenzo AI 83
8.1 weighted points to Tenzo AI
15% weight · 74% of the movement so far
FRIA Support
Ribbon 33 · Tenzo AI 40
1.1 weighted points to Tenzo AI
12% weight · 82% of the movement so far
Post-Market Monitoring
Ribbon 37 · Tenzo AI 45
1.0 weighted points to Tenzo AI
15% weight · 88% of the movement so far
Data Governance Disclosure
Ribbon 50 · Tenzo AI 55
0.8 weighted points to Tenzo AI
20% weight · 93% of the movement so far
Article 11 Technical Documentation
Ribbon 42 · Tenzo AI 45
0.6 weighted points to Tenzo AI
12% weight · 97% of the movement so far
Human Oversight Design
Ribbon 55 · Tenzo AI 60
0.6 weighted points to Tenzo AI
8% weight · 100% of the movement so far
Customer Documentation
Ribbon 58 · Tenzo AI 62
0.3 weighted points to Tenzo AI
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to -12.4 — the difference between the two totals before either is rounded. Shares are of 12.4 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -13 beside that -12.4.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Ribbon minus Tenzo AI.
| Category | Weight | Ribbon | Tenzo AI | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 42 | 45 | -3 | -0.6 |
| Bias Audit Transparency | 18% | 38 | 83 | -45 | -8.1 |
| FRIA Support | 15% | 33 | 40 | -7 | -1.1 |
| Data Governance Disclosure | 15% | 50 | 55 | -5 | -0.8 |
| Human Oversight Design | 12% | 55 | 60 | -5 | -0.6 |
| Post-Market Monitoring | 12% | 37 | 45 | -8 | -1.0 |
| Customer Documentation | 8% | 58 | 62 | -4 | -0.3 |
| Total | 100% | 43 (F) | 56 (F) | -13 | -12.4 |
§ 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 | Ribbon | Tenzo AI | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 3 | 1 | Sources on the vendor's own domain | 4 | 1 | Sources on the vendor's own domainSources on a separate domain |
| Bias Audit Transparency | 18% | 4 | 1 | Sources on the vendor's own 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% | 6 | 0 | Sources on the vendor's own domainSources on a separate 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% | 4 | 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% | 5 | 0 | Sources on the vendor's own domain | 5 | 0 | Sources on the vendor's own domain |
| All criteria | 100% | 31 | 4 | Sources on the vendor's own domainSources on a separate domain | 30 | 4 | Audit reportSources on the vendor's own domainSources on a separate domain |
Ribbon has 35 evidence rows across 7 of 7 criteria — 31 with a source URL, 4 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 Ribbon and Tenzo AI sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 69 evidence rows on file for these two vendors: 35 for Ribbon, across 2 distinct source domains, and 34 for Tenzo AI, across 2 distinct source domains.
- Rubric
- v1.0
- Ribbon 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