§ The result
Braintrust AIR leads Spark Hire by 6 points.
Braintrust AIR scores 59 and Spark Hire 53 under rubric v1.0, a 6-point gap across the Screening and Video interview cohorts. The 7 criteria split 3 to 2 in favour of Braintrust AIR, with 2 level: Braintrust AIR is ahead on Post-Market Monitoring and Spark Hire on Data Governance Disclosure. One criterion, Post-Market Monitoring, is both the widest raw gap (Braintrust AIR 62, Spark Hire 38) and the heaviest weighted swing, and at 12% weight it makes up 48% of the weighted advantage Braintrust AIR holds across the 3 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
Spark Hire
Spark Hire is a hiring platform combining one-way (async) and live video interviewing with an applicant tracking system (via its Comeet acquisition), and adds AI features that score and rank candidates' resumes and one-way video responses to help recruiters prioritize submissions.
§ The record
Braintrust AIR is filed under Screening AI, Spark Hire 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 | Spark Hire |
|---|---|---|
| Price tier | Enterprise | Mid |
| Headquarters | US | US |
| Founded | 2018 | 2012 |
§ What decides it
The criteria that move the gap, heaviest swing first.
12% weight · 43% of the movement so far
Post-Market Monitoring
Braintrust AIR 62 · Spark Hire 38
2.9 weighted points to Braintrust AIR
18% weight · 78% of the movement so far
Bias Audit Transparency
Braintrust AIR 75 · Spark Hire 62
2.3 weighted points to Braintrust AIR
15% weight · 90% of the movement so far
FRIA Support
Braintrust AIR 35 · Spark Hire 30
0.8 weighted points to Braintrust AIR
15% weight · 99% of the movement so far
Data Governance Disclosure
Braintrust AIR 56 · Spark Hire 60
0.6 weighted points to Spark Hire
8% weight · 100% of the movement so far
Customer Documentation
Braintrust AIR 63 · Spark Hire 64
0.1 weighted points to Spark Hire
Weighted delta is the raw difference times the criterion weight, so the 5 figures above sum to +5.3 — the difference between the two totals before either is rounded. Shares are of 6.7 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +6 beside that +5.3.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Braintrust AIR minus Spark Hire.
| Category | Weight | Braintrust AIR | Spark Hire | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 58 | 58 | - | - |
| Bias Audit Transparency | 18% | 75 | 62 | +13 | +2.3 |
| FRIA Support | 15% | 35 | 30 | +5 | +0.8 |
| Data Governance Disclosure | 15% | 56 | 60 | -4 | -0.6 |
| Human Oversight Design | 12% | 62 | 62 | - | - |
| Post-Market Monitoring | 12% | 62 | 38 | +24 | +2.9 |
| Customer Documentation | 8% | 63 | 64 | -1 | -0.1 |
| Total | 100% | 59 (F) | 53 (F) | +6 | +5.3 |
§ 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 | Spark Hire | ||||
|---|---|---|---|---|---|---|---|
| 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 | 3 | 0 | Audit reportSources on a separate domain |
| 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 | 3 | 0 | 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 domainSources on a separate domain |
| All criteria | 100% | 29 | 3 | Audit reportSources on the vendor's own domainSources on a separate domain | 16 | 4 | Audit reportSources on the vendor's own domainSources on a separate domain |
Braintrust AIR has 32 evidence rows across 7 of 7 criteria — 29 with a source URL, 3 documented absences; Spark Hire has 20 evidence rows across 7 of 7 criteria — 16 with a source URL, 4 documented absences; some documentation or audit rows for Braintrust AIR and Spark Hire 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 Spark Hire, across 2 distinct source domains.
- Rubric
- v1.0
- Braintrust AIR last reviewed
- September 25, 2026 · HireAIScore editorial team
- Spark Hire 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