§ The result
Codility leads Saville Assessment on all 7 criteria.
Codility scores 54 and Saville Assessment 48 under rubric v1.0 — a 6-point gap inside the Assessment cohort. Codility takes all 7 criteria from Saville Assessment without a 20-point raw gap on any of them; the closest is FRIA Support, Codility 42 to Saville Assessment 40. The widest raw gap and the heaviest weighted swing fall on different criteria: Post-Market Monitoring (Codility 50, Saville Assessment 38) and Article 11 Technical Documentation at 20% (Codility 60, Saville Assessment 50), the second being 34% of the weighted advantage Codility holds across the 7 criteria on that side of the table.
Vendor profile
Codility
Codility is a technical/coding assessment platform that screens and interviews software engineers with work-sample coding tests, live technical interviews, and integrity tooling including plagiarism and AI-use detection.
Vendor profile
Saville Assessment
Saville Assessment publishes the Wave personality questionnaires, Swift aptitude tests and situational judgment tests. They are scored automatically against norm groups and delivered through the Oasys platform, the Wave Connect hiring platform (which uses AI to build role profiles from job descriptions) and a two-minute Screener that returns a fit band into the employer's ATS.
§ The record
Codility and Saville Assessment are both filed under Assessment AI. They also share 1 secondary category: Screening.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act, Colorado AI Act and Mobley v. Workday.
| Record | Codility | Saville Assessment |
|---|---|---|
| Price tier | High | Enterprise |
| Headquarters | GB | GB |
| Founded | 2009 | 2004 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 34% of the movement so far
Article 11 Technical Documentation
Codility 60 · Saville Assessment 50
2.0 weighted points to Codility
12% weight · 58% of the movement so far
Post-Market Monitoring
Codility 50 · Saville Assessment 38
1.4 weighted points to Codility
12% weight · 73% of the movement so far
Human Oversight Design
Codility 62 · Saville Assessment 55
0.8 weighted points to Codility
18% weight · 82% of the movement so far
Bias Audit Transparency
Codility 45 · Saville Assessment 42
0.5 weighted points to Codility
8% weight · 90% of the movement so far
Customer Documentation
Codility 66 · Saville Assessment 60
0.5 weighted points to Codility
15% weight · 95% of the movement so far
FRIA Support
Codility 42 · Saville Assessment 40
0.3 weighted points to Codility
15% weight · 100% of the movement so far
Data Governance Disclosure
Codility 57 · Saville Assessment 55
0.3 weighted points to Codility
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +5.9 — the difference between the two totals before either is rounded. Shares are of 5.9 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 +5.9.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Codility minus Saville Assessment.
| Category | Weight | Codility | Saville Assessment | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 60 | 50 | +10 | +2.0 |
| Bias Audit Transparency | 18% | 45 | 42 | +3 | +0.5 |
| FRIA Support | 15% | 42 | 40 | +2 | +0.3 |
| Data Governance Disclosure | 15% | 57 | 55 | +2 | +0.3 |
| Human Oversight Design | 12% | 62 | 55 | +7 | +0.8 |
| Post-Market Monitoring | 12% | 50 | 38 | +12 | +1.4 |
| Customer Documentation | 8% | 66 | 60 | +6 | +0.5 |
| Total | 100% | 54 (F) | 48 (F) | +6 | +5.9 |
§ 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 | Codility | Saville Assessment | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 2 | 1 | Sources on the vendor's own domain | 5 | 1 | Audit reportSources on the vendor's own domainSources on a separate domain |
| Bias Audit Transparency | 18% | 2 | 1 | Sources on the vendor's own domain | 4 | 1 | Audit reportSources on the vendor's own domainSources 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% | 2 | 1 | Sources on the vendor's own domain | 5 | 1 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 3 | 0 | Sources on the vendor's own domain | 6 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 3 | 0 | Sources on the vendor's own domain | 5 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 3 | 0 | Sources on the vendor's own domain | 6 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 16 | 4 | Sources on the vendor's own domain | 34 | 6 | Audit reportSources on the vendor's own domainSources on a separate domain |
Codility has 20 evidence rows across 7 of 7 criteria — 16 with a source URL, 4 documented absences; Saville Assessment has 40 evidence rows across 7 of 7 criteria — 34 with a source URL, 6 documented absences; some documentation or audit rows for Saville Assessment sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 60 evidence rows on file for these two vendors: 20 for Codility, across 1 distinct source domain, and 40 for Saville Assessment, across 2 distinct source domains.
- Rubric
- v1.0
- Codility last reviewed
- July 17, 2026 · HireAIScore editorial team
- Saville Assessment 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