§ The result
Wellfound takes the total, Ribbon takes more of the criteria.
Wellfound finishes 9 points ahead of Ribbon under rubric v1.0, 52 to 43, both scored as Screening entries. Ribbon leads more of the criteria than Wellfound — 4 to 2 — but Bias Audit Transparency, which Wellfound leads, carries 18% of the rubric, and the weighted sum still falls to Wellfound. One criterion, Bias Audit Transparency, is both the widest raw gap (Ribbon 38, Wellfound 82) and the heaviest weighted swing, and at 18% weight it makes up 74% of the weighted advantage Wellfound holds across the 2 criteria it leads.
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
Wellfound
Wellfound is a startup hiring marketplace and AI recruiting platform whose wellfound:ai suite auto-generates screening criteria from a job description, then scores and ranks inbound applicants (AI Resume Screening) and surfaces outbound candidates from a talent graph of 10M opt-in Wellfound profiles plus 500M+ enriched external profiles.
§ The record
Ribbon and Wellfound are both filed under Screening AI. They record no secondary category in common.
Both are in scope of EU AI Act, NYC LL 144, Illinois HB 3773 and Colorado AI Act. Only Ribbon is in scope of Mobley v. Workday.
| Record | Ribbon | Wellfound |
|---|---|---|
| Price tier | Low | Mid |
| Headquarters | CA | US |
| Founded | 2020 | 2012 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 61% of the movement so far
Bias Audit Transparency
Ribbon 38 · Wellfound 82
7.9 weighted points to Wellfound
12% weight · 83% of the movement so far
Post-Market Monitoring
Ribbon 37 · Wellfound 60
2.8 weighted points to Wellfound
15% weight · 88% of the movement so far
FRIA Support
Ribbon 33 · Wellfound 28
0.8 weighted points to Ribbon
15% weight · 94% of the movement so far
Data Governance Disclosure
Ribbon 50 · Wellfound 45
0.8 weighted points to Ribbon
20% weight · 97% of the movement so far
Article 11 Technical Documentation
Ribbon 42 · Wellfound 40
0.4 weighted points to Ribbon
12% weight · 100% of the movement so far
Human Oversight Design
Ribbon 55 · Wellfound 52
0.4 weighted points to Ribbon
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to -8.4 — the difference between the two totals before either is rounded. Shares are of 12.9 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -9 beside that -8.4.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Ribbon minus Wellfound.
| Category | Weight | Ribbon | Wellfound | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 42 | 40 | +2 | +0.4 |
| Bias Audit Transparency | 18% | 38 | 82 | -44 | -7.9 |
| FRIA Support | 15% | 33 | 28 | +5 | +0.8 |
| Data Governance Disclosure | 15% | 50 | 45 | +5 | +0.8 |
| Human Oversight Design | 12% | 55 | 52 | +3 | +0.4 |
| Post-Market Monitoring | 12% | 37 | 60 | -23 | -2.8 |
| Customer Documentation | 8% | 58 | 58 | - | - |
| Total | 100% | 43 (F) | 52 (F) | -9 | -8.4 |
§ 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 | Wellfound | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 3 | 1 | Sources on the vendor's own domain | 2 | 2 | Sources on a separate domain |
| Bias Audit Transparency | 18% | 4 | 1 | Sources on the vendor's own domain | 5 | 0 | Audit reportSources on a separate domain |
| FRIA Support | 15% | 3 | 1 | Sources on the vendor's own domain | 1 | 2 | — |
| Data Governance Disclosure | 15% | 6 | 0 | Sources on the vendor's own domainSources on a separate domain | 3 | 2 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 6 | 0 | Sources on the vendor's own domain | 4 | 1 | 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 | 4 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 31 | 4 | Sources on the vendor's own domainSources on a separate domain | 22 | 9 | 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; Wellfound has 27 evidence rows across 7 of 7 criteria — 22 with a source URL, 9 documented absences; some documentation or audit rows for Ribbon and Wellfound 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: 35 for Ribbon, across 2 distinct source domains, and 27 for Wellfound, across 3 distinct source domains.
- Rubric
- v1.0
- Ribbon last reviewed
- September 25, 2026 · HireAIScore editorial team
- Wellfound last reviewed
- August 2, 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