§ The result
Tenzo AI leads CodeSignal on 6 of the 7 criteria.
Tenzo AI, filed under Screening, comes out 13 points above CodeSignal, filed under Assessment: 56 against 43 under rubric v1.0. CodeSignal is ahead on none of the 7 criteria: Tenzo AI takes 6, the remaining criterion is level, and the nearest of those 6 is Data Governance Disclosure, CodeSignal 50 to Tenzo AI 55. Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing — CodeSignal 45, Tenzo AI 83 — and at an 18% weight it carries 54% of the weighted advantage Tenzo AI holds across the 6 criteria on that side of the table.
Vendor profile
CodeSignal
CodeSignal is a technical skills assessment and interview platform for developer hiring that adds AI features including an AI Interviewer, AI-assisted/agentic coding assessments, and AI-plus-human proctoring.
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
CodeSignal is filed under Assessment AI, Tenzo AI under Screening AI. They also share 1 secondary category: Video interview.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act, Colorado AI Act and Mobley v. Workday.
| Record | CodeSignal | Tenzo AI |
|---|---|---|
| Price tier | Enterprise | Mid |
| Headquarters | US | US |
| Founded | 2015 | 2024 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 54% of the movement so far
Bias Audit Transparency
CodeSignal 45 · Tenzo AI 83
6.8 weighted points to Tenzo AI
15% weight · 72% of the movement so far
FRIA Support
CodeSignal 25 · Tenzo AI 40
2.3 weighted points to Tenzo AI
20% weight · 83% of the movement so far
Article 11 Technical Documentation
CodeSignal 38 · Tenzo AI 45
1.4 weighted points to Tenzo AI
12% weight · 89% of the movement so far
Post-Market Monitoring
CodeSignal 38 · Tenzo AI 45
0.8 weighted points to Tenzo AI
15% weight · 95% of the movement so far
Data Governance Disclosure
CodeSignal 50 · Tenzo AI 55
0.8 weighted points to Tenzo AI
12% weight · 100% of the movement so far
Human Oversight Design
CodeSignal 55 · Tenzo AI 60
0.6 weighted points to Tenzo AI
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to -12.7 — the difference between the two totals before either is rounded. Shares are of 12.7 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 -12.7.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is CodeSignal minus Tenzo AI.
| Category | Weight | CodeSignal | Tenzo AI | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 38 | 45 | -7 | -1.4 |
| Bias Audit Transparency | 18% | 45 | 83 | -38 | -6.8 |
| FRIA Support | 15% | 25 | 40 | -15 | -2.3 |
| Data Governance Disclosure | 15% | 50 | 55 | -5 | -0.8 |
| Human Oversight Design | 12% | 55 | 60 | -5 | -0.6 |
| Post-Market Monitoring | 12% | 38 | 45 | -7 | -0.8 |
| Customer Documentation | 8% | 62 | 62 | - | - |
| Total | 100% | 43 (F) | 56 (F) | -13 | -12.7 |
§ 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 | CodeSignal | Tenzo AI | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 2 | 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% | 2 | 1 | Sources on the vendor's own domain | 4 | 1 | Audit reportSources on a separate domain |
| FRIA Support | 15% | 1 | 1 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 2 | 1 | Sources on the vendor's own domain | 5 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 3 | 0 | Sources on the vendor's own domain | 6 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 2 | 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% | 3 | 0 | Sources on the vendor's own domain | 5 | 0 | Sources on the vendor's own domain |
| All criteria | 100% | 15 | 5 | Sources on the vendor's own domain | 30 | 4 | Audit reportSources on the vendor's own domainSources on a separate domain |
CodeSignal has 20 evidence rows across 7 of 7 criteria — 15 with a source URL, 5 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 Tenzo AI sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 54 evidence rows on file for these two vendors: 20 for CodeSignal, across 1 distinct source domain, and 34 for Tenzo AI, across 2 distinct source domains.
- Rubric
- v1.0
- CodeSignal last reviewed
- June 7, 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