§ The result
Codility leads Coderbyte on all 7 criteria.
Codility sits 12 points above Coderbyte under rubric v1.0, 54 against 42, with both filed under Assessment. Of the 7 criteria Coderbyte wins none, and the narrowest lead Codility holds is on Data Governance Disclosure, Coderbyte 56 to Codility 57. Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing — Coderbyte 20, Codility 45 — and at an 18% weight it carries 40% of the weighted advantage Codility holds across the 7 criteria on that side of the table.
Vendor profile
Coderbyte
Coderbyte is a technical hiring platform offering coding assessments with automated and AI grading of challenges and take-home projects, live coding interviews, and AI screening that grades resumes against job-description criteria and runs agentic phone screens.
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.
§ The record
Coderbyte and Codility 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 | Coderbyte | Codility |
|---|---|---|
| Price tier | Low | High |
| Headquarters | US | GB |
| Founded | 2012 | 2009 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 40% of the movement so far
Bias Audit Transparency
Coderbyte 20 · Codility 45
4.5 weighted points to Codility
20% weight · 68% of the movement so far
Article 11 Technical Documentation
Coderbyte 44 · Codility 60
3.2 weighted points to Codility
15% weight · 80% of the movement so far
FRIA Support
Coderbyte 33 · Codility 42
1.3 weighted points to Codility
12% weight · 91% of the movement so far
Post-Market Monitoring
Coderbyte 40 · Codility 50
1.2 weighted points to Codility
8% weight · 97% of the movement so far
Customer Documentation
Coderbyte 58 · Codility 66
0.6 weighted points to Codility
12% weight · 99% of the movement so far
Human Oversight Design
Coderbyte 60 · Codility 62
0.2 weighted points to Codility
15% weight · 100% of the movement so far
Data Governance Disclosure
Coderbyte 56 · Codility 57
0.1 weighted points to Codility
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to -11.3 — the difference between the two totals before either is rounded. Shares are of 11.3 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -12 beside that -11.3.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Coderbyte minus Codility.
| Category | Weight | Coderbyte | Codility | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 44 | 60 | -16 | -3.2 |
| Bias Audit Transparency | 18% | 20 | 45 | -25 | -4.5 |
| FRIA Support | 15% | 33 | 42 | -9 | -1.3 |
| Data Governance Disclosure | 15% | 56 | 57 | -1 | -0.1 |
| Human Oversight Design | 12% | 60 | 62 | -2 | -0.2 |
| Post-Market Monitoring | 12% | 40 | 50 | -10 | -1.2 |
| Customer Documentation | 8% | 58 | 66 | -8 | -0.6 |
| Total | 100% | 42 (F) | 54 (F) | -12 | -11.3 |
§ 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 | Coderbyte | Codility | ||||
|---|---|---|---|---|---|---|---|
| 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% | 2 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own 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 | Audit reportSources on the vendor's own domain | 2 | 1 | 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 | 1 | Audit reportSources on the vendor's own domain | 3 | 0 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 4 | 1 | Sources on the vendor's own domainSources on a separate domain | 3 | 0 | Sources on the vendor's own domain |
| All criteria | 100% | 26 | 5 | Audit reportSources on the vendor's own domainSources on a separate domain | 16 | 4 | Sources on the vendor's own domain |
Coderbyte has 31 evidence rows across 7 of 7 criteria — 26 with a source URL, 5 documented absences; Codility has 20 evidence rows across 7 of 7 criteria — 16 with a source URL, 4 documented absences; some documentation or audit rows for Coderbyte sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 51 evidence rows on file for these two vendors: 31 for Coderbyte, across 2 distinct source domains, and 20 for Codility, across 1 distinct source domain.
- Rubric
- v1.0
- Coderbyte last reviewed
- September 25, 2026 · HireAIScore editorial team
- Codility last reviewed
- July 17, 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