§ The result
Fuel50 leads Testlify by 13 points.
Fuel50 sits 13 points above Testlify under rubric v1.0 — 58 against 45 — with Fuel50 filed under Sourcing and Testlify under Assessment. Fuel50 leads 5 of the 7 criteria, including Bias Audit Transparency, while Testlify leads 2, including Post-Market Monitoring. One criterion, Bias Audit Transparency, is both the widest raw gap (Fuel50 68, Testlify 30) and the heaviest weighted swing, and at 18% weight it makes up 54% of the weighted advantage Fuel50 holds across the 5 criteria it leads.
Vendor profile
Fuel50
Fuel50 is an AI internal talent marketplace and workforce-transformation platform that matches employees to internal roles, gigs, mentors, learning and career paths, and fit-scores and ranks internal candidates for open roles and succession pipelines, using a skills ontology curated by in-house I/O psychologists.
Vendor profile
Testlify
Testlify is a skills-assessment and AI-interviewing platform that ranks candidates on a scored leaderboard from pre-built or AI-generated tests, with an AI résumé screener, AI-scored video, voice and chat interviews, and AI-assisted proctoring.
§ The record
Fuel50 is filed under Candidate sourcing AI, Testlify under Assessment AI. They record no secondary category in common.
Both are in scope of EU AI Act, Colorado AI Act, NYC LL 144, Illinois HB 3773 and Mobley v. Workday.
| Record | Fuel50 | Testlify |
|---|---|---|
| Price tier | Enterprise | Low |
| Headquarters | US | US |
| Founded | 2011 | 2022 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 52% of the movement so far
Bias Audit Transparency
Fuel50 68 · Testlify 30
6.8 weighted points to Fuel50
20% weight · 80% of the movement so far
Article 11 Technical Documentation
Fuel50 70 · Testlify 52
3.6 weighted points to Fuel50
15% weight · 90% of the movement so far
Data Governance Disclosure
Fuel50 64 · Testlify 55
1.3 weighted points to Fuel50
12% weight · 96% of the movement so far
Human Oversight Design
Fuel50 61 · Testlify 55
0.7 weighted points to Fuel50
12% weight · 98% of the movement so far
Post-Market Monitoring
Fuel50 40 · Testlify 42
0.2 weighted points to Testlify
8% weight · 99% of the movement so far
Customer Documentation
Fuel50 62 · Testlify 60
0.2 weighted points to Fuel50
15% weight · 100% of the movement so far
FRIA Support
Fuel50 32 · Testlify 33
0.1 weighted points to Testlify
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +12.3 — the difference between the two totals before either is rounded. Shares are of 13.1 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 +12.3.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Fuel50 minus Testlify.
| Category | Weight | Fuel50 | Testlify | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 70 | 52 | +18 | +3.6 |
| Bias Audit Transparency | 18% | 68 | 30 | +38 | +6.8 |
| FRIA Support | 15% | 32 | 33 | -1 | -0.1 |
| Data Governance Disclosure | 15% | 64 | 55 | +9 | +1.3 |
| Human Oversight Design | 12% | 61 | 55 | +6 | +0.7 |
| Post-Market Monitoring | 12% | 40 | 42 | -2 | -0.2 |
| Customer Documentation | 8% | 62 | 60 | +2 | +0.2 |
| Total | 100% | 58 (F) | 45 (F) | +13 | +12.3 |
§ 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 | Fuel50 | Testlify | ||||
|---|---|---|---|---|---|---|---|
| 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 domain |
| Bias Audit Transparency | 18% | 3 | 0 | Audit reportSources on the vendor's own domainSources on a separate domain | 3 | 1 | Sources on the vendor's own domain |
| FRIA Support | 15% | 2 | 1 | — | 2 | 1 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 5 | 0 | Audit reportSources on the vendor's own domainSources on a separate domain | 6 | 0 | Audit reportSources on the vendor's own domain |
| Human Oversight Design | 12% | 4 | 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 | 5 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 3 | 1 | Sources on the vendor's own domain | 5 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 24 | 4 | Audit reportSources on the vendor's own domainSources on a separate domain | 31 | 5 | Audit reportSources on the vendor's own domain |
Fuel50 has 28 evidence rows across 7 of 7 criteria — 24 with a source URL, 4 documented absences; Testlify has 36 evidence rows across 7 of 7 criteria — 31 with a source URL, 5 documented absences; some documentation or audit rows for Fuel50 sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 64 evidence rows on file for these two vendors: 28 for Fuel50, across 3 distinct source domains, and 36 for Testlify, across 1 distinct source domain.
- Rubric
- v1.0
- Fuel50 last reviewed
- September 25, 2026 · HireAIScore editorial team
- Testlify 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