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CodeSignal

AI-driven coding assessments and interview platform used by major employers

RANKED #1 · AI INTERVIEW INTELLIGENCE TOOLS FOR TECHNICAL HIRINGLISTERSCORE 90.0

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.

Pricing from	Free (practice mode), Assess product custom pricing
Best for	Engineers practising with tools actually used in real hiring pipelines
Website	www.codesignal.com

Company facts

Founded	2014
Social profiles	LinkedIn, X, Facebook, Instagram, YouTube

Facilities and features

Published pricing
API
Integrations

What stands out

The product offers validated assessments that simulate real-world tasks to measure actual skills.

“Measure and understand real-world skills through validated, data-driven assessments that uncover strengths, opportunities, fit, and readiness.”CodeSignal, own website

The product provides AI-powered learning with instant feedback to help users upskill effectively.

“Empower your people to upskill and reskill through hands-on practice,”CodeSignal, own website

Strengths and trade-offs

Practise on the same platform used by real hiring teams, increasing relevance
Comprehensive analytics and AI feedback on code quality, problem-solving approach

Free tier is limited; most advanced features require premium or employer sponsorship
Less emphasis on mock interviews; primarily focused on take-home assessments

Appears in

AIVERIFIED

How CodeSignal ranks

#1 in AI interview intelligence tools for technical hiring

How the score is made up: Evidence on its own site 20; How complete its published information is 18; Fit to this ranking's criteria 40; Buying information on its own site 12.

“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

“Use Cases Technical Hiring Business Hiring Upskilling Reskilling University Recruiting Academies Talent Mobility Interviewer Training Technical Hiring Business Hiring Upskilling Reskilling University Recruiting Academies Talent Mobility Interviewer Training Industries Technology Higher Education…”CodeSignal, own website

#3 in Best coding assessment platforms

How the score is made up: Evidence on its own site 20; How complete its published information is 18; Fit to this ranking's criteria 40; 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

#1 in Best online proctoring software

How the score is made up: Evidence on its own site 20; How complete its published information is 18; Fit to this ranking's criteria 40; 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

#4 in Best pre-employment testing software

How the score is made up: Evidence on its own site 20; How complete its published information is 18; Fit to this ranking's criteria 40; 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

#2 in Pre-employment testing software for small businesses

How the score is made up: Evidence on its own site 20; How complete its published information is 18; Fit to this ranking's criteria 40; 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

Alternatives to CodeSignal

HackerRank Accelerating the world's developer hiring	#2 in AI interview intelligence tools for technical hiring	90.0
Blink Hint AI Interview Assistant & Co-Pilot for remote calls	#3 in AI interview intelligence tools for technical hiring	88.0
CoderPad AI-ready technical assessments and interviews for modern hiring	#4 in AI interview intelligence tools for technical hiring	86.0
Jobma Faster, fairer, and fraud-free hiring	#5 in AI interview intelligence tools for technical hiring	86.0
Sorcify AI candidate scoring and sourcing tool for LinkedIn Recruiter	#6 in AI interview intelligence tools for technical hiring	86.0
Glider AI Hire and develop	#7 in AI interview intelligence tools for technical hiring	80.0

Questions about CodeSignal

How much does CodeSignal cost?

Lister lists CodeSignal's pricing as: Free (practice mode), Assess product custom pricing.

Is CodeSignal free?

Yes. Its pricing reads: Free (practice mode), Assess product custom pricing.

Who is CodeSignal best for?

CodeSignal is best for engineers practising with tools actually used in real hiring pipelines.

Where does CodeSignal rank?

CodeSignal is ranked #1 in AI interview intelligence tools for technical hiring (Lister Score 90.0), #1 in Best online proctoring software (Lister Score 94.0), #2 in Pre-employment testing software for small businesses (Lister Score 94.0), #3 in Best coding assessment platforms (Lister Score 94.0), #3 in Top 10 AI Interview-Preparation Tools (Lister Score 90.3) and #4 in Best pre-employment testing software (Lister Score 94.0).

What are the best alternatives to CodeSignal?

The closest alternatives on Lister are HackerRank (#2 in AI interview intelligence tools for technical hiring), Blink Hint (#3 in AI interview intelligence tools for technical hiring) and CoderPad (#4 in AI interview intelligence tools for technical hiring).

When was CodeSignal founded?

CodeSignal was founded in 2014.

Is this your company?

Claim CodeSignal to suggest corrections to its listing (pricing, features, details) or ask about an enhanced profile. We review every claim before anything changes.