§ The result
Braintrust AIR leads Willo on 6 of the 7 criteria.
Under rubric v1.0, Braintrust AIR (Screening) opens an 18-point lead on Willo (Video interview), 59 to 41. Willo is ahead on none of the 7 criteria: Braintrust AIR takes 6, the remaining criterion is level, and the nearest of those 6 is Data Governance Disclosure, Braintrust AIR 56 to Willo 53. Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing — Braintrust AIR 75, Willo 30 — and at an 18% weight it carries 45% of the weighted advantage Braintrust AIR holds across the 6 criteria on that side of the table.
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
Willo
Willo is a browser-based asynchronous (one-way) video interview platform that lets employers collect recorded video, audio, multiple-choice and written candidate responses, then uses AI to transcribe, summarize, rank candidates against employer-defined "Blueprint" criteria, and flag scripted or AI-generated answers.
§ The record
Braintrust AIR is filed under Screening AI, Willo under Video interview AI. They record no secondary category in common.
Both are in scope of EU AI Act, NYC LL 144, Illinois HB 3773, Colorado AI Act and Mobley v. Workday.
| Record | Braintrust AIR | Willo |
|---|---|---|
| Price tier | Enterprise | Low |
| Headquarters | US | GB |
| Founded | 2018 | 2018 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 45% of the movement so far
Bias Audit Transparency
Braintrust AIR 75 · Willo 30
8.1 weighted points to Braintrust AIR
20% weight · 68% of the movement so far
Article 11 Technical Documentation
Braintrust AIR 58 · Willo 38
4.0 weighted points to Braintrust AIR
12% weight · 85% of the movement so far
Post-Market Monitoring
Braintrust AIR 62 · Willo 36
3.1 weighted points to Braintrust AIR
15% weight · 93% of the movement so far
FRIA Support
Braintrust AIR 35 · Willo 25
1.5 weighted points to Braintrust AIR
8% weight · 97% of the movement so far
Customer Documentation
Braintrust AIR 63 · Willo 54
0.7 weighted points to Braintrust AIR
15% weight · 100% of the movement so far
Data Governance Disclosure
Braintrust AIR 56 · Willo 53
0.4 weighted points to Braintrust AIR
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to +17.9 — the difference between the two totals before either is rounded. Shares are of 17.9 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +18 beside that +17.9.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Braintrust AIR minus Willo.
| Category | Weight | Braintrust AIR | Willo | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 58 | 38 | +20 | +4.0 |
| Bias Audit Transparency | 18% | 75 | 30 | +45 | +8.1 |
| FRIA Support | 15% | 35 | 25 | +10 | +1.5 |
| Data Governance Disclosure | 15% | 56 | 53 | +3 | +0.4 |
| Human Oversight Design | 12% | 62 | 62 | - | - |
| Post-Market Monitoring | 12% | 62 | 36 | +26 | +3.1 |
| Customer Documentation | 8% | 63 | 54 | +9 | +0.7 |
| Total | 100% | 59 (F) | 41 (F) | +18 | +17.9 |
§ 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 | Willo | ||||
|---|---|---|---|---|---|---|---|
| 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 | 1 | 1 | — |
| FRIA Support | 15% | 3 | 1 | Sources on the vendor's own domain | 0 | 1 | — |
| Data Governance Disclosure | 15% | 5 | 0 | Sources on the vendor's own domainSources on a separate domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 5 | 0 | Sources on the vendor's own domain | 2 | 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 | 1 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 4 | 1 | Sources on the vendor's own domain | 1 | 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 | 9 | 5 | 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; Willo has 14 evidence rows across 7 of 7 criteria — 9 with a source URL, 5 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 46 evidence rows on file for these two vendors: 32 for Braintrust AIR, across 4 distinct source domains, and 14 for Willo, across 1 distinct source domain.
- Rubric
- v1.0
- Braintrust AIR last reviewed
- September 25, 2026 · HireAIScore editorial team
- Willo 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