CodeSignal
AI-driven coding assessments and interview platform used by major employers
Ranked #1 in Best online proctoring software, and on 3 more rankings.
CodeSignal (formerly Codility) provides coding challenges and proctored assessments widely used by recruiters and hiring teams. Candidates can practise with company-specific interview scenarios and receive AI-generated insights on their performance.
At a glance
| Price from | Free (practice mode), Assess product custom pricing |
| Best for | Engineers practising with tools actually used in real hiring pipelines |
From CodeSignal's own website.
Company facts
| Founded | 2014 |
| Social profiles | LinkedIn, X, Facebook, Instagram, YouTube |
Facilities and features
Its website also mentions:
- Published pricing
- API
- Integrations
What stands out
The product provides validated assessments and benchmarking to reveal strengths and close gaps.
“Measure and understand real-world skills through validated, data-driven assessments that uncover strengths, opportunities, fit, and readiness.”CodeSignal, own website
The product uses AI agents to deliver objective and structured interview results.
“Bring consistency and depth to every interview with AI agents that adapt, ask deeper questions, and evaluate skills with precision to deliver objective, structured results.”CodeSignal, own website
Worth knowing
- Free tier is limited; most advanced features require premium or employer sponsorship
- Less emphasis on mock interviews; primarily focused on take-home assessments
How it ranks
CodeSignal is ranked 1st of 10 in Best online proctoring software (Lister Score 94.0), 2nd of 10 in Pre-employment testing software for small businesses (Lister Score 94.0), 3rd of 10 in Best coding assessment platforms (Lister Score 94.0) and 4th of 10 in Best pre-employment testing software (Lister Score 94.0).
#1 in Best online proctoring software · Lister Score 94.0
CodeSignal is an agentic skills intelligence platform that measures and develops essential capabilities. It empowers organisations to make data-driven decisions across the entire skills journey.
Uses AI agents to deliver objective and structured interview results.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 18; buying information on its own site 16.
“Shareable invitation links Bulk invites Integrity & anti-cheating AI proctoring ID verification Suspicion Score Plagiarism & leak prevention Live interview proctoring”CodeSignal, own website
| Rank | Best online proctoring software | Score |
|---|---|---|
| 1 | CodeSignal | 94.0 |
| 2 | Honorlock | 90.0 |
| 3 | Open LMS | 90.0 |
| 4 | Talview | 90.0 |
| 5 | RioPlay | 88.0 |
| 6 | Proctorio | 84.0 |
| 7 | Verificient | 84.0 |
| 8 | Vedubox | 82.0 |
| 9 | Conduct Exam | 80.0 |
| 10 | Respondus | 78.0 |
#2 in Pre-employment testing software for small businesses · Lister Score 94.0
CodeSignal is an agentic skills intelligence platform that measures and develops essential capabilities. It empowers organisations to make data-driven decisions across the entire skills journey.
Uses AI agents to deliver objective and structured interview results.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 18; buying information on its own site 16.
“Measure the skills that matter with pre-hire assessments that simulate real-world tasks and job requirements.”CodeSignal, own website
“Hiring for your startup or small business? Plans built for small teams making big hiring decisions.”CodeSignal, own website
| Rank | Pre-employment testing software for small businesses | Score |
|---|---|---|
| 1 | Breezy HR | 100.0 |
| 2 | CodeSignal | 94.0 |
| 3 | AvaHR | 92.0 |
| 4 | HireScore | 90.0 |
| 5 | Spark Hire | 90.0 |
| 6 | Excel hire | 88.0 |
| 7 | TestGorilla | 88.0 |
| 8 | Tribepad | 88.0 |
| 9 | IdealTraits | 84.0 |
| 10 | Predictive Index | 78.0 |
#3 in Best coding assessment platforms · Lister Score 94.0
CodeSignal is an agentic skills intelligence platform that measures and develops essential capabilities. It empowers organisations to make data-driven decisions across the entire skills journey.
Provides validated assessments and benchmarking to reveal strengths and close gaps.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 18; buying information on its own site 16.
“Get started Trusted by 500+ companies Explore capabilities Hire suite capabilities Skills assessments Measure the skills that matter with pre-hire assessments that simulate real-world tasks and job requirements.”CodeSignal, own website
| Rank | Best coding assessment platforms | Score |
|---|---|---|
| 1 | Adaface | 94.0 |
| 2 | Coderbyte | 94.0 |
| 3 | CodeSignal | 94.0 |
| 4 | HackerRank | 94.0 |
| 5 | CoderPad | 90.0 |
| 6 | TestDome | 90.0 |
| 7 | Codility | 88.0 |
| 8 | HackerEarth | 88.0 |
| 9 | Xobin | 88.0 |
| 10 | CodeSubmit | 86.0 |
#4 in Best pre-employment testing software · Lister Score 94.0
CodeSignal is an agentic skills intelligence platform that measures and develops relevant capabilities. It enables data-driven decisions by providing validated assessments and AI-powered learning tools.
Offers validated assessments that simulate real-world tasks to measure actual skills.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 18; buying information on its own site 16.
“Get started Trusted by 500+ companies Explore capabilities Hire suite capabilities Skills assessments Measure the skills that matter with pre-hire assessments that simulate real-world tasks and job requirements.”CodeSignal, own website
| Rank | Best pre-employment testing software | Score |
|---|---|---|
| 1 | Adaface | 94.0 |
| 2 | AssessFirst | 94.0 |
| 3 | Coderbyte | 94.0 |
| 4 | CodeSignal | 94.0 |
| 5 | HackerRank | 94.0 |
| 6 | Vervoe | 94.0 |
| 7 | Criteria Corp | 92.0 |
| 8 | CoderPad | 90.0 |
| 9 | Spark Hire | 90.0 |
| 10 | TestDome | 90.0 |
Frequently asked questions
How does CodeSignal rank on Lister?
CodeSignal is ranked 1st of 10 in Best online proctoring software (Lister Score 94.0), 2nd of 10 in Pre-employment testing software for small businesses (Lister Score 94.0), 3rd of 10 in Best coding assessment platforms (Lister Score 94.0) and 4th of 10 in Best pre-employment testing software (Lister Score 94.0).