§ The result
Braintrust AIR leads Arena Analytics on all 7 criteria.
Braintrust AIR and Arena Analytics, both Screening entries, are 27 points apart under rubric v1.0, 59 for Braintrust AIR against 32 for Arena Analytics. Braintrust AIR leads every one of the 7 criteria and 5 of them by 20 raw points or more, Bias Audit Transparency among them; Arena Analytics leads none. The advantage Braintrust AIR holds is spread out: Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing (Arena Analytics 25, Braintrust AIR 75, 18% weight), yet it supplies only 33% of the weighted points Braintrust AIR gains across the 7 criteria it leads.
Vendor profile
Arena Analytics
Arena scores job applicants, mainly for healthcare and senior-living employers, on how likely they are to show up and stay in a specific role at a specific location, reroutes and sources candidates it rates likely to be retained, and applies the same outcome models to employee flight risk and internal mobility.
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.
§ The record
Arena Analytics and Braintrust AIR are both filed under Screening AI. They record no secondary category in common.
Both are in scope of EU AI Act, NYC LL 144, Colorado AI Act, Illinois HB 3773 and Mobley v. Workday.
| Record | Arena Analytics | Braintrust AIR |
|---|---|---|
| Price tier | Enterprise | Enterprise |
| Headquarters | US | US |
| Founded | 2015 | 2018 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 33% of the movement so far
Bias Audit Transparency
Arena Analytics 25 · Braintrust AIR 75
9.0 weighted points to Braintrust AIR
20% weight · 54% of the movement so far
Article 11 Technical Documentation
Arena Analytics 30 · Braintrust AIR 58
5.6 weighted points to Braintrust AIR
12% weight · 69% of the movement so far
Post-Market Monitoring
Arena Analytics 28 · Braintrust AIR 62
4.1 weighted points to Braintrust AIR
12% weight · 79% of the movement so far
Human Oversight Design
Arena Analytics 38 · Braintrust AIR 62
2.9 weighted points to Braintrust AIR
15% weight · 87% of the movement so far
Data Governance Disclosure
Arena Analytics 42 · Braintrust AIR 56
2.1 weighted points to Braintrust AIR
8% weight · 94% of the movement so far
Customer Documentation
Arena Analytics 38 · Braintrust AIR 63
2.0 weighted points to Braintrust AIR
15% weight · 100% of the movement so far
FRIA Support
Arena Analytics 25 · Braintrust AIR 35
1.5 weighted points to Braintrust AIR
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to -27.2 — the difference between the two totals before either is rounded. Shares are of 27.2 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -27 beside that -27.2.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Arena Analytics minus Braintrust AIR.
| Category | Weight | Arena Analytics | Braintrust AIR | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 30 | 58 | -28 | -5.6 |
| Bias Audit Transparency | 18% | 25 | 75 | -50 | -9.0 |
| FRIA Support | 15% | 25 | 35 | -10 | -1.5 |
| Data Governance Disclosure | 15% | 42 | 56 | -14 | -2.1 |
| Human Oversight Design | 12% | 38 | 62 | -24 | -2.9 |
| Post-Market Monitoring | 12% | 28 | 62 | -34 | -4.1 |
| Customer Documentation | 8% | 38 | 63 | -25 | -2.0 |
| Total | 100% | 32 (F) | 59 (F) | -27 | -27.2 |
§ 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 | Arena Analytics | Braintrust AIR | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 3 | 1 | Sources on a separate domain | 3 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 2 | 1 | — | 5 | 0 | Audit reportSources on a separate domain |
| FRIA Support | 15% | 1 | 1 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 6 | 1 | Sources on the vendor's own domain | 5 | 0 | Sources on the vendor's own domainSources on a separate domain |
| Human Oversight Design | 12% | 6 | 1 | Sources on the vendor's own domain | 5 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 2 | 1 | Sources on the vendor's own domain | 4 | 0 | Audit reportSources on the vendor's own domainSources on a separate domain |
| Customer Documentation | 8% | 3 | 1 | Sources on the vendor's own domain | 4 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 23 | 7 | Sources on the vendor's own domainSources on a separate domain | 29 | 3 | Audit reportSources on the vendor's own domainSources on a separate domain |
Arena Analytics has 30 evidence rows across 7 of 7 criteria — 23 with a source URL, 7 documented absences; Braintrust AIR has 32 evidence rows across 7 of 7 criteria — 29 with a source URL, 3 documented absences; some documentation or audit rows for Arena Analytics and Braintrust AIR 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: 30 for Arena Analytics, across 3 distinct source domains, and 32 for Braintrust AIR, across 4 distinct source domains.
- Rubric
- v1.0
- Arena Analytics last reviewed
- September 25, 2026 · HireAIScore editorial team
- Braintrust AIR 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