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CodeSignal

Skills assessment platform with AI interviewers, technical and business assessments, live coding interviews and learning paths.

CodeSignal is a skills assessment and development platform that companies use to screen, test and interview job candidates and to train employees. CodeSignal is used by sending candidates certified or custom assessments, running AI-led or live coding interviews, and assigning practice-based learning paths, with results reported through scoring, analytics and benchmarking.

Best for Hiring and learning teams that need consistent, measurable evaluation of technical and business skills across many candidates or employees.

CodeSignal website home page
Screenshot of codesignal.com, captured 9 Oct 2026
Platforms
Web, API
Pricing model
Subscription
API
Yes
Made by
CodeSignal, Inc.
Added

Last verified: . Information taken from codesignal.com.

What is CodeSignal?

CodeSignal is a platform from CodeSignal, Inc. for measuring and building job skills. On the hiring side it offers assessments for software engineering, data, product, design, go-to-market, finance and other functions, including agentic assessments in which candidates work with AI coding tools. AI Interviewer agents conduct structured interviews tailored to a role and seniority level, and teams can pick a ready-made agent or create their own. Live technical interviews take place in a shared coding environment. Integrity tools cover AI proctoring, identity verification, a suspicion score and plagiarism prevention. The Learn product provides practice-based courses with a built-in tutor named Cosmo for individuals, teams and enterprises. Hiring plans are called Build, Grow and Pro and are sold with credits that are spent on assessments and interviews; integrations with applicant tracking systems and an API are available on higher tiers.

Key Features

AI Interviewer Agents

Runs structured interviews with role-specific AI agents for areas such as sales, finance, marketing and product, or with an agent you configure.

Certified Assessments

Provides a library of validated tests for technical, business and behavioural skills, searchable by role and function.

Agentic Assessments

Evaluates how candidates solve tasks while working with AI coding assistants such as Claude, Cursor and Codex.

Live Technical Interviews

Lets an interviewer and candidate collaborate in a shared IDE while the candidate writes code.

Integrity Controls

Applies AI proctoring, ID verification and a suspicion score to flag possible cheating.

CodeSignal Learn

Delivers hands-on courses in engineering, business and go-to-market topics with feedback from an AI tutor.

Use Cases

High-Volume Technical Screening
Send a standard assessment to many applicants before engineers spend time on interviews.
University Recruiting
Evaluate new graduates and early-career candidates on the same scale.
Hiring for Business Roles
Screen sales, marketing or finance candidates with assessments and AI interviews.
Upskilling Employees
Assign learning paths and track progress by skill across a team.
Interviewer Consistency
Give every candidate a structured interview with comparable scoring.

Things to know

Hiring plans run on credits
Build and Grow include credits that are consumed by assessments and interviews; the top tier has a custom credit amount.
Coverage grows with the plan
Go-to-market assessments and AI interviewers for sales, customer success and marketing roles begin on the Grow plan.
Compliance listed
The plan comparison lists SOC 2 Type II, GDPR and CCPA, with SSO, SCIM and audit logs on the top tier.
Free start is for learners
The free entry point applies to individuals on CodeSignal Learn, not to the hiring plans.

FAQs

What is CodeSignal?

CodeSignal is a platform for assessing, interviewing and developing skills, used mainly in hiring and employee training.

What is CodeSignal used for?

CodeSignal is used to screen candidates with assessments, hold AI-led and live technical interviews, and run skills development programmes.

Does CodeSignal have an API?

Yes. CodeSignal's plan comparison lists API access and webhooks, with a basic API on lower tiers and an advanced API on higher ones.

Can individuals use CodeSignal?

Yes. CodeSignal Learn lets individuals start for free and offers a paid upgrade called Cosmo+.

Which applicant tracking systems does CodeSignal integrate with?

CodeSignal names Gem and Ashby as core integrations and Workday, iCIMS and Oracle among its enterprise integrations.

Who makes CodeSignal?

CodeSignal is made by CodeSignal, Inc.

How much does CodeSignal cost?

CodeSignal sells hiring plans called Build, Grow and Pro, billed monthly or annually, plus separate Learn plans. See the official pricing page for current figures.

Who it's for

  • Talent acquisition teams
  • Engineering managers
  • L&D teams
  • Universities
  • Job seekers

Tagsskills assessmentAI interviewertechnical hiringcoding interviewsupskilling

Used in these workflows

Each guide lists the stages of one job and the tools that help at each stage. All guides

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Listed in the same categories as CodeSignal. A starting price appears only where we checked it on the maker’s pricing page; a dash means not checked or not published. All Recruiting & HR tools