§ The result
Fuel50 leads Emmersion on all 7 criteria.
Fuel50, filed under Sourcing, comes out 14 points above Emmersion, filed under Assessment: 58 against 44 under rubric v1.0. Fuel50 takes all 7 criteria and Emmersion none of them; the nearest contest is FRIA Support, Emmersion 30 to Fuel50 32. Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing — Emmersion 28, Fuel50 68 — and at an 18% weight it carries 53% of the weighted advantage Fuel50 holds across the 7 criteria on that side of the table.
Vendor profile
Emmersion
Emmersion, Rosetta Stone's assessment division within IXL Learning, sells AI-scored adaptive TrueNorth speaking and writing tests and WebCAPE reading and grammar exams. They rate language proficiency on a 0-10 scale mapped to CEFR and ACTFL and are used for pre-employment screening, checking employees' language skills and placing students.
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
Emmersion is filed under Assessment AI, Fuel50 under Candidate sourcing 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 | Emmersion | Fuel50 |
|---|---|---|
| Price tier | Mid | Enterprise |
| Headquarters | US | US |
| Founded | 2015 | 2011 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 53% of the movement so far
Bias Audit Transparency
Emmersion 28 · Fuel50 68
7.2 weighted points to Fuel50
20% weight · 72% of the movement so far
Article 11 Technical Documentation
Emmersion 57 · Fuel50 70
2.6 weighted points to Fuel50
15% weight · 88% of the movement so far
Data Governance Disclosure
Emmersion 50 · Fuel50 64
2.1 weighted points to Fuel50
12% weight · 95% of the movement so far
Human Oversight Design
Emmersion 53 · Fuel50 61
1.0 weighted points to Fuel50
15% weight · 97% of the movement so far
FRIA Support
Emmersion 30 · Fuel50 32
0.3 weighted points to Fuel50
12% weight · 99% of the movement so far
Post-Market Monitoring
Emmersion 38 · Fuel50 40
0.2 weighted points to Fuel50
8% weight · 100% of the movement so far
Customer Documentation
Emmersion 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 -13.6 — the difference between the two totals before either is rounded. Shares are of 13.6 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -14 beside that -13.6.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Emmersion minus Fuel50.
| Category | Weight | Emmersion | Fuel50 | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 57 | 70 | -13 | -2.6 |
| Bias Audit Transparency | 18% | 28 | 68 | -40 | -7.2 |
| FRIA Support | 15% | 30 | 32 | -2 | -0.3 |
| Data Governance Disclosure | 15% | 50 | 64 | -14 | -2.1 |
| Human Oversight Design | 12% | 53 | 61 | -8 | -1.0 |
| Post-Market Monitoring | 12% | 38 | 40 | -2 | -0.2 |
| Customer Documentation | 8% | 60 | 62 | -2 | -0.2 |
| Total | 100% | 44 (F) | 58 (F) | -14 | -13.6 |
§ 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 | Emmersion | Fuel50 | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 4 | 1 | Sources on the vendor's own domainSources on a separate domain | 3 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 7 | 1 | Sources on the vendor's own domainSources on a separate domain | 3 | 0 | Audit reportSources on the vendor's own domainSources on a separate domain |
| FRIA Support | 15% | 3 | 1 | Sources on the vendor's own domainSources on a separate domain | 2 | 1 | — |
| Data Governance Disclosure | 15% | 6 | 0 | Sources on the vendor's own domainSources on a separate domain | 5 | 0 | Audit reportSources on the vendor's own domainSources on a separate domain |
| Human Oversight Design | 12% | 6 | 0 | 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% | 5 | 1 | Sources on the vendor's own domainSources on a separate domain | 3 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 35 | 5 | Sources on the vendor's own domainSources on a separate domain | 24 | 4 | Audit reportSources on the vendor's own domainSources on a separate domain |
Emmersion has 40 evidence rows across 7 of 7 criteria — 35 with a source URL, 5 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 Emmersion and Fuel50 sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 68 evidence rows on file for these two vendors: 40 for Emmersion, across 5 distinct source domains, and 28 for Fuel50, across 3 distinct source domains.
- Rubric
- v1.0
- Emmersion 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