HomeCompareSpark Hire vs Wellfound

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Spark Hire vs Wellfound

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§ The result

1 point separates Spark Hire and Wellfound.

Spark Hire (Video interview) edges Wellfound (Screening) by 1 point under rubric v1.0, 53 to 52. Spark Hire leads 5 of the 7 criteria, including Article 11 Technical Documentation, while Wellfound leads 2, including Bias Audit Transparency. Spark Hire takes the heaviest weighted swing, Article 11 Technical Documentation at 20% (Spark Hire 58, Wellfound 40), which is 46% of the weighted advantage Spark Hire holds; the widest raw gap is a different criterion, Post-Market Monitoring, Spark Hire 38 to Wellfound 60.

§ The record

Spark Hire is filed under Video interview AI, Wellfound under Screening AI. They also share 1 secondary category: ATS-integrated.

Both are in scope of NYC LL 144, EU AI Act, Illinois HB 3773 and Colorado AI Act. Only Spark Hire is in scope of Mobley v. Workday.

RecordSpark HireWellfound
Price tierMidMid
HeadquartersUSUS
Founded20122012

§ What decides it

The criteria that move the gap, heaviest swing first.

  1. 20% weight · 26% of the movement so far

    Article 11 Technical Documentation

    Spark Hire 58 · Wellfound 40

    3.6 weighted points to Spark Hire

  2. 18% weight · 51% of the movement so far

    Bias Audit Transparency

    Spark Hire 62 · Wellfound 82

    3.6 weighted points to Wellfound

  3. 12% weight · 70% of the movement so far

    Post-Market Monitoring

    Spark Hire 38 · Wellfound 60

    2.6 weighted points to Wellfound

  4. 15% weight · 86% of the movement so far

    Data Governance Disclosure

    Spark Hire 60 · Wellfound 45

    2.3 weighted points to Spark Hire

  5. 12% weight · 94% of the movement so far

    Human Oversight Design

    Spark Hire 62 · Wellfound 52

    1.2 weighted points to Spark Hire

  6. 8% weight · 98% of the movement so far

    Customer Documentation

    Spark Hire 64 · Wellfound 58

    0.5 weighted points to Spark Hire

  7. 15% weight · 100% of the movement so far

    FRIA Support

    Spark Hire 30 · Wellfound 28

    0.3 weighted points to Spark Hire

Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +1.6 — the difference between the two totals before either is rounded. Shares are of 14.1 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +1 beside that +1.6.

§ Category-by-category

Raw score per criterion, with weighted delta.

Δ is Spark Hire minus Wellfound.

CategoryWeightSpark HireWellfoundΔ rawΔ weighted
Article 11 Technical Documentation20%5840+18+3.6
Bias Audit Transparency18%6282-20-3.6
FRIA Support15%3028+2+0.3
Data Governance Disclosure15%6045+15+2.3
Human Oversight Design12%6252+10+1.2
Post-Market Monitoring12%3860-22-2.6
Customer Documentation8%6458+6+0.5
Total100%53 (F)52 (F)+1+1.6

§ 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.

CriterionWeightSpark HireWellfound
CitedAbsencesAudit / hostingCitedAbsencesAudit / hosting
Article 11 Technical Documentation20%21Sources on the vendor's own domain22Sources on a separate domain
Bias Audit Transparency18%30Audit reportSources on a separate domain50Audit reportSources on a separate domain
FRIA Support15%11Sources on the vendor's own domain12
Data Governance Disclosure15%30Sources on the vendor's own domain32Sources on the vendor's own domain
Human Oversight Design12%30Sources on the vendor's own domain41Sources on the vendor's own domain
Post-Market Monitoring12%21Sources on the vendor's own domain31Audit reportSources on the vendor's own domainSources on a separate domain
Customer Documentation8%21Sources on the vendor's own domainSources on a separate domain41Sources on the vendor's own domain
All criteria100%164Audit reportSources on the vendor's own domainSources on a separate domain229Audit reportSources on the vendor's own domainSources on a separate domain

Spark Hire has 20 evidence rows across 7 of 7 criteria — 16 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 Spark Hire and Wellfound sit on a domain separate from the vendor's own site.

Provenance

The scores above are documented by 47 evidence rows on file for these two vendors: 20 for Spark Hire, across 2 distinct source domains, and 27 for Wellfound, across 3 distinct source domains.

Rubric
v1.0
Spark Hire last reviewed
June 7, 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.