§ The result
Fuel50 leads Factorial by 12 points.
Fuel50, filed under Sourcing, comes out 12 points above Factorial, filed under ATS-integrated: 58 against 46 under rubric v1.0. The 7 criteria split 5 to 2 in favour of Fuel50: Fuel50 is ahead on Bias Audit Transparency and Factorial on Post-Market Monitoring. Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing — Factorial 25, Fuel50 68 — and at an 18% weight it carries 60% of the weighted advantage Fuel50 holds across the 5 criteria on that side of the table.
Vendor profile
Factorial
Factorial is a Barcelona-based all-in-one HR, finance and IT platform for small and mid-sized businesses. Its applicant tracking system has optional AI matching, which shows a percentage fit for applicants it recommends interviewing, plus CV summaries, AI-written job posts and AI Calls, where a voice agent phone-screens candidates and gives each a match label that can move them to the next stage automatically.
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.
§ The record
Factorial is filed under ATS-integrated AI, Fuel50 under Candidate sourcing AI. They record no secondary category in common.
Both are in scope of EU AI Act, NYC LL 144, Colorado AI Act and Illinois HB 3773. Only Fuel50 is in scope of Mobley v. Workday.
| Record | Factorial | Fuel50 |
|---|---|---|
| Price tier | Low | Enterprise |
| Headquarters | ES | US |
| Founded | 2016 | 2011 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 54% of the movement so far
Bias Audit Transparency
Factorial 25 · Fuel50 68
7.7 weighted points to Fuel50
20% weight · 79% of the movement so far
Article 11 Technical Documentation
Factorial 52 · Fuel50 70
3.6 weighted points to Fuel50
15% weight · 87% of the movement so far
Data Governance Disclosure
Factorial 57 · Fuel50 64
1.1 weighted points to Fuel50
12% weight · 93% of the movement so far
Post-Market Monitoring
Factorial 48 · Fuel50 40
1.0 weighted points to Factorial
15% weight · 96% of the movement so far
FRIA Support
Factorial 35 · Fuel50 32
0.4 weighted points to Factorial
12% weight · 99% of the movement so far
Human Oversight Design
Factorial 58 · Fuel50 61
0.4 weighted points to Fuel50
8% weight · 100% of the movement so far
Customer Documentation
Factorial 60 · Fuel50 62
0.2 weighted points to Fuel50
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to -11.5 — the difference between the two totals before either is rounded. Shares are of 14.3 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -12 beside that -11.5.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Factorial minus Fuel50.
| Category | Weight | Factorial | Fuel50 | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 52 | 70 | -18 | -3.6 |
| Bias Audit Transparency | 18% | 25 | 68 | -43 | -7.7 |
| FRIA Support | 15% | 35 | 32 | +3 | +0.4 |
| Data Governance Disclosure | 15% | 57 | 64 | -7 | -1.1 |
| Human Oversight Design | 12% | 58 | 61 | -3 | -0.4 |
| Post-Market Monitoring | 12% | 48 | 40 | +8 | +1.0 |
| Customer Documentation | 8% | 60 | 62 | -2 | -0.2 |
| Total | 100% | 46 (F) | 58 (F) | -12 | -11.5 |
§ 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 | Factorial | Fuel50 | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 4 | 1 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 3 | 1 | Sources on the vendor's own domain | 3 | 0 | Audit reportSources on the vendor's own domainSources on a separate domain |
| FRIA Support | 15% | 4 | 1 | Sources on the vendor's own domain | 2 | 1 | — |
| Data Governance Disclosure | 15% | 4 | 1 | Audit reportSources on the vendor's own domain | 5 | 0 | Audit reportSources on the vendor's own domainSources on a separate domain |
| Human Oversight Design | 12% | 4 | 1 | Sources on the vendor's own domain | 4 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 4 | 1 | Sources on the vendor's own domain | 4 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 4 | 1 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 27 | 7 | Audit reportSources on the vendor's own domain | 24 | 4 | Audit reportSources on the vendor's own domainSources on a separate domain |
Factorial has 34 evidence rows across 7 of 7 criteria — 27 with a source URL, 7 documented absences; Fuel50 has 28 evidence rows across 7 of 7 criteria — 24 with a source URL, 4 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 62 evidence rows on file for these two vendors: 34 for Factorial, across 3 distinct source domains, and 28 for Fuel50, across 3 distinct source domains.
- Rubric
- v1.0
- Factorial last reviewed
- September 25, 2026 · HireAIScore editorial team
- Fuel50 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