CodeSignal vs Codility
CodeSignal
codesignal.com
Codility
codility.comSide by side
| Figure | CodeSignal | Codility |
|---|---|---|
| Price from | $24.99/mo | $100/mo |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Plans published | 14 | 3 |
| Spec score · Talent Assessment Software | 9.3 (#1) | 9.0 (#3) |
| Spec score · Pre-Employment Assessment Software | 9.3 (#1) | 9.0 (#4) |
| Spec score · Coding Challenge Platforms | 9.3 (#1) | 9.0 (#3) |
| Spec score · Coding Assessment Platforms | 9.2 (#1) | 8.9 (#3) |
| Spec score · Assessment Software | 9.4 (#2) | 9.1 (#4) |
| Company legal name | Crunchbase lists the legal name as CodeSignal Inc. and former names CodeFights and BrainFights. | The service operator is Codility Limited, registered in England and Wales under company number 07048726. |
| Founded | 2015 | Codility was founded in 2009 by Greg Jakacki, with Natalia Panowicz contributing psychometrics and business expertise. |
| Funding | A 2021 company release announced a $50 million Series C led by Index Ventures, bringing total funding to $87.5 million. | Crunchbase lists Codility as a private Series A company with six investors, including Oxx and HardGamma Ventures. |
| Integrations | The integrations knowledge base documents ATS and workflow connections including Greenhouse, Lever, Workday, iCIMS, SmartRecruiters, LinkedIn Talent Hub, Ashby, Gem, Zapier and others. | Codility lists Greenhouse, Lever, Ashby, Workday, SAP and other enterprise ATS/HRIS integrations. |
| Licence | The terms identify CODESIGNAL, INC. as a Delaware corporation governing paid services and do not grant an open-source licence. | Codility’s terms reserve rights in the service and underlying software and grant access only under an order form, indicating proprietary software. |
| Rating on G2 | CodeSignal scores 4.5 out of 5 from 1,408 reviews. | 4.6 out of 5 from 865+ verified reviews. |
| Rating on GetApp | CodeSignal scores 4.6 out of 5 from 47 reviews. | 4.6 out of 5 from 43 reviews. |
| Rating on Trustpilot | CodeSignal has a TrustScore of 3.0 out of 5 from 16 reviews. | 2.2 out of 5 from 8 reviews. |
| Skills intelligence | The platform describes skills validation, analytics, and benchmarking for identifying strengths and gaps. | Skills Intelligence maps engineering capabilities and gaps across an existing workforce. |
| Support | The pricing comparison lists weekday 9–5 PT email support for Build and Grow and 24/7/365 email support for Pro. | The help center offers searchable articles, tutorials, integration guidance, security administration and ticket support. |
| System requirements | Recommended access is the latest Chrome, Firefox or Edge on a laptop or desktop; mobile devices and tablets cannot take proctored assessments. | Supported assessment browsers are Chrome 131+, Firefox 132+, Opera 114+, Safari 17+ and Chromium Edge 130+. |
| What it does | CodeSignal presents an agentic skills intelligence platform for assessing, interviewing, learning and skills benchmarking. | Codility assesses job candidates and employees through technical and AI-skills work simulations. |
Plans
CodeSignal
- IndividualsFree
- Learn IndividualsFree
- Cosmo+$24.99 a month
- Learn Cosmo+$24.99 a month
- Hire Build (annual)$79 a month
- Build$99 a month
- Hire Build (monthly)$99 a month
- Hire Grow (annual)$479 a month
- Grow$599 a month
- Hire Grow (monthly)$599 a month
In their own words
CodeSignal
CodeSignal is a skills intelligence platform for organizations hiring, assessing, and developing skills, as well as individuals learning through practice. Its pre-hire assessments simulate job tasks and requirements. AI Interviewer agents adapt questions and return structured evaluations, while Live Tech Interviews provide a shared coding environment for candidates and interviewers. Skills Development combines practice, AI-powered feedback, and skill-based progress tracking. The platform also offers skills validation, analytics, and benchmarking to help identify strengths and gaps. Individuals can start with a free plan that includes a tutor, personalized skills paths, practice-based learning, bite-sized modules, and a skills profile. Cosmo+ costs $24.99 a month. Build is $99 a month and has five monthly credits; Grow costs $599 a month and includes 35 monthly credits. Pro pricing is tailored. Integrations listed include Greenhouse, Ashby, Workday, Absorb LMS, Docebo, Okta, and Slack. CodeSignal says it is hosted on AWS and undergoes an annual independent SOC 2 examination.
Codility
Codility offers Screen, Interview and Skills Intelligence for engineering hiring, technical interviews and workforce skills mapping. Screen provides online technical assessments with objective scores and detailed breakdowns across a library of more than 1,300 tasks. Interview supports live technical interviews in a VS Code environment, including whiteboarding, pair programming, live code execution, recordings and structured evaluation. Skills Intelligence maps engineering capabilities, identifies gaps and supports project staffing and development planning. Teams can configure AI use for each assessment, with tasks on prompt engineering, evaluating AI-generated code and working with AI tools. Codility connects with recruiting and HR systems including Greenhouse, Lever, Ashby, Workday, SAP and SmartRecruiters. Its public API supports invitations, result retrieval, completion alerts and custom reporting, with a limit of 500 requests per user per hour. Codility says its security program is ISO 27001 certified and covered by a SOC 2 Type II report; it also states that data is encrypted in transit and at rest. It states GDPR and CCPA compliance and WCAG 2.2 AA accessibility. The company was founded in 2009 and is headquartered in London.