§ The result
Braintrust AIR leads Fountain on all 7 criteria.
Braintrust AIR finishes 15 points clear of Fountain inside the Screening cohort under rubric v1.0: 59 against 44. Of the 7 criteria Fountain wins none, and the narrowest lead Braintrust AIR holds is on Data Governance Disclosure, Braintrust AIR 56 to Fountain 55. One criterion, Bias Audit Transparency, is both the widest raw gap (Braintrust AIR 75, Fountain 30) and the heaviest weighted swing, and at 18% weight it makes up 55% of the weighted advantage Braintrust AIR holds across the 7 criteria it leads.
Vendor profile
Braintrust AIR
Braintrust AIR is an enterprise AI interviewer that runs recorded conversational voice interviews, scores the transcribed answers against recruiter-editable rubric criteria, and sends ranked scorecards, transcripts and recordings to the employer's ATS for human review.
Vendor profile
Fountain
AI-powered high-volume hiring platform that automates sourcing, applicant screening (including a voice-based AI Recruiter), interview scheduling, and onboarding for frontline workforces.
§ The record
Braintrust AIR and Fountain 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 Braintrust AIR is in scope of Mobley v. Workday.
| Record | Braintrust AIR | Fountain |
|---|---|---|
| Price tier | Enterprise | Enterprise |
| Headquarters | US | US |
| Founded | 2018 | 2014 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 55% of the movement so far
Bias Audit Transparency
Braintrust AIR 75 · Fountain 30
8.1 weighted points to Braintrust AIR
12% weight · 74% of the movement so far
Post-Market Monitoring
Braintrust AIR 62 · Fountain 40
2.6 weighted points to Braintrust AIR
20% weight · 85% of the movement so far
Article 11 Technical Documentation
Braintrust AIR 58 · Fountain 50
1.6 weighted points to Braintrust AIR
8% weight · 91% of the movement so far
Customer Documentation
Braintrust AIR 63 · Fountain 52
0.9 weighted points to Braintrust AIR
15% weight · 96% of the movement so far
FRIA Support
Braintrust AIR 35 · Fountain 30
0.8 weighted points to Braintrust AIR
12% weight · 99% of the movement so far
Human Oversight Design
Braintrust AIR 62 · Fountain 58
0.5 weighted points to Braintrust AIR
15% weight · 100% of the movement so far
Data Governance Disclosure
Braintrust AIR 56 · Fountain 55
0.1 weighted points to Braintrust AIR
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +14.6 — the difference between the two totals before either is rounded. Shares are of 14.6 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +15 beside that +14.6.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Braintrust AIR minus Fountain.
| Category | Weight | Braintrust AIR | Fountain | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 58 | 50 | +8 | +1.6 |
| Bias Audit Transparency | 18% | 75 | 30 | +45 | +8.1 |
| FRIA Support | 15% | 35 | 30 | +5 | +0.8 |
| Data Governance Disclosure | 15% | 56 | 55 | +1 | +0.1 |
| Human Oversight Design | 12% | 62 | 58 | +4 | +0.5 |
| Post-Market Monitoring | 12% | 62 | 40 | +22 | +2.6 |
| Customer Documentation | 8% | 63 | 52 | +11 | +0.9 |
| Total | 100% | 59 (F) | 44 (F) | +15 | +14.6 |
§ 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 | Braintrust AIR | Fountain | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 3 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 5 | 0 | Audit reportSources on a separate domain | 2 | 1 | — |
| FRIA Support | 15% | 3 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 5 | 0 | Sources on the vendor's own domainSources on a separate domain | 2 | 1 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 5 | 0 | Sources on the vendor's own domain | 3 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 4 | 0 | Audit reportSources on the vendor's own domainSources on a separate domain | 2 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 4 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 29 | 3 | Audit reportSources on the vendor's own domainSources on a separate domain | 14 | 6 | Sources on the vendor's own domain |
Braintrust AIR has 32 evidence rows across 7 of 7 criteria — 29 with a source URL, 3 documented absences; Fountain has 20 evidence rows across 7 of 7 criteria — 14 with a source URL, 6 documented absences; some documentation or audit rows for Braintrust AIR sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 52 evidence rows on file for these two vendors: 32 for Braintrust AIR, across 4 distinct source domains, and 20 for Fountain, across 2 distinct source domains.
- Rubric
- v1.0
- Braintrust AIR last reviewed
- September 25, 2026 · HireAIScore editorial team
- Fountain last reviewed
- June 7, 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