
CodeSignal
CodeSignal is a skills intelligence platform for organizations that hire, assess, and develop skills, as well as individuals who want to learn through practi…
What CodeSignal is
CodeSignal is a skills intelligence platform for organizations that hire, assess, and develop skills, as well as individuals who want to learn through practice. Its pre-hire assessments model job tasks and requirements. AI Interviewer agents adapt questions and produce structured skills evaluations, while Live Tech Interviews let candidates code and communicate with interviewers in a shared environment. Skills Development provides practice, AI-powered feedback, and progress tracking. The platform also describes validation, analytics, and benchmarking for finding strengths and gaps. Integrations listed include Greenhouse, Ashby, Workday, Absorb LMS, Docebo, Okta, and Slack. Enterprise Pro features include SSO, SCIM, JIT, audit logs, data-retention controls, and custom security review, DPA, and MSA; support is 24/7/365 by email on Pro. CodeSignal says it is hosted on AWS and undergoes an annual independent SOC 2 examination. Individuals have a free plan; Cosmo+ is $24.99 a month. Build is $99 a month and Grow is $599 a month, both billed monthly.
Good
- Pre-hire assessments simulate job tasks and requirements.
- AI Interviewers adapt questions and produce structured results.
- Skills Development includes practice and AI-powered feedback.
- Integrates with named ATS, learning, and workplace services.
- Individuals can start with a free plan.
Watch out
- Build includes five monthly credits.
- Grow costs $599 a month.
- Pro pricing is tailored and not listed.
- Weekday 9–5 PT email support applies to Build and Grow.
Who it suits
Organizations that need to assess candidates or develop workforce skills may find its assessment and learning tools relevant. Individuals can use the free plan for practice-based learning and skills paths.
Verdict
CodeSignal combines hiring assessments, interviews, and skill development in one platform, with a separate free route for individual learners. Organizations should consider the plan credit limits and listed support hours when choosing a plan.
Plans and prices
From CodeSignal's own pricing page, checked 30 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Individuals | Free | Built-in tutor Cosmo · Personalized skills paths · Practice-based learning · Bite-sized modules · Skills profile · Start for FREE |
| Learn Individuals | Free | Built-in Cosmo tutor · personalized skills paths · practice-based learning · skills profile |
| Learn Cosmo+ | $24.99 a month | Unlimited Cosmo+ access · Monthly subscription |
| Cosmo+ | $24.99 a month | Upgrade for individuals · Built-in tutor Cosmo · Personalized skills paths · Practice-based learning |
| Hire Build (annual) | $79 a month | 60 annual credits · 2,000 questions · core assessments · AI interviewers · AI proctoring and ID verification · Billed annually |
| Build | $99 a month | 5 monthly credits · Universal & Core Tech Assessments · Access to 2,000 Questions · AI Proctoring & ID Verification · Billed monthly |
| Hire Build (monthly) | $99 a month | 5 monthly credits · 2,000 questions · core assessments · AI interviewers · AI proctoring and ID verification · Billed monthly |
| Hire Grow (annual) | $479 a month | 420 annual credits · Build features · go-to-market assessments · sales, customer-success and marketing AI interviewers · basic ATS integrations · Billed annually |
| Hire Grow (monthly) | $599 a month | 35 monthly credits · Build features · go-to-market assessments · sales, customer-success and marketing AI interviewers · basic ATS integrations · Billed monthly |
| Grow | $599 a month | 35 monthly credits · Go-To-Market Assessments · Sales, CS, & Marketing AI Interviewers · Basic ATS Integrations · Billed monthly |
| Pro | Priced on request | Custom credits based on your needs · All Assessments & AI Interviewers · Advanced Fraud Prevention & RBAC · Enterprise ATS Integrations · Dedicated CSM & QBRs · Tailored to your plan |
| Hire Pro | Priced on request | All assessments and AI interviewers · advanced fraud prevention and RBAC · enterprise ATS integrations · dedicated customer success manager and QBRs · Custom credits |
| Learn Enterprise | Priced on request | Advanced learning content · skills mapping · analytics and benchmarks · LMS, API, SSO and SCIM integrations · Custom pricing |
| Learn Teams | Priced on request | Unlimited Cosmo+ · team and subscription management · team performance and engagement insights · Custom pricing |
The facts
Each one read from CodeSignal's own pages, with the date it was checked.
What it does
- AI Interviewer
- AI Interviewer agents adapt questions to role and seniority and produce structured skills results.checked 15 Oct 2026
- AI interviews
- AI Interviewer agents adapt their questions and evaluate skills to produce structured results.checked 30 Sep 2026
- API surface
- Developer documentation exposes GraphQL, Webhook and Learn APIs.checked 15 Oct 2026
- Assessments
- Its pre-hire skills assessments simulate real-world tasks and job requirements.checked 30 Sep 2026
- Audience
- The company presents its platform for organizations hiring, assessing, and developing skills, as well as individuals learning through practice.checked 30 Sep 2026
- Compliance
- CodeSignal says its platform is hosted on AWS and that it undergoes an annual independent SOC 2 examination.checked 30 Sep 2026
- Documentation and support
- CodeSignal links a public knowledge base and API documentation, while API-key creation requires organization-admin access.checked 15 Oct 2026
- Enterprise security
- The Pro plan lists SSO, SCIM, JIT, audit logs, data retention controls, and custom security review, DPA, and MSA.checked 30 Sep 2026
- Funding
- A 2021 company release announced a $50 million Series C led by Index Ventures, bringing total funding to $87.5 million.checked 15 Oct 2026
- GraphQL limits
- The GraphQL API documents common rate limits of 5 or 10 requests per second, maximum query cost of 10,000 and maximum depth of 10.checked 15 Oct 2026
- Integrations
- The integrations knowledge base documents ATS and workflow connections including Greenhouse, Lever, Workday, iCIMS, SmartRecruiters, LinkedIn Talent Hub, Ashby, Gem, Zapier and others.checked 15 Oct 2026
- Learning
- CodeSignal Learn offers hands-on practice, AI feedback, learning paths and progress tracking for upskilling.checked 15 Oct 2026
- Licence
- The terms identify CODESIGNAL, INC. as a Delaware corporation governing paid services and do not grant an open-source licence.checked 15 Oct 2026
- Limit: export and support gaps
- A GetApp reviewer says their team could not export manually created tests and waited years for requested assessment and tagging improvements.checked 15 Oct 2026
- Limit: IDE and library gaps
- TrustRadius feedback cites a poor UI, a need for more libraries and newer frameworks, and limited application context visibility.checked 15 Oct 2026
- Limit: mobile learning complaints
- App Store reviews report occasional crashes or freezes, energy limits that slow free learning, overly basic lessons and glitchy progression.checked 15 Oct 2026
- Limit: pricing
- A PeerSpot reviewer says CodeSignal pricing is challenging compared with competitors offering more attractive prices.checked 15 Oct 2026
- Live interviews
- Live Tech Interviews use a shared IDE where candidates code and communicate with interviewers.checked 15 Oct 2026
- Notable news
- CodeSignal announced on October 14, 2026 that it was listed on the FedRAMP Marketplace.checked 15 Oct 2026
The company
- Company founding
- CodeSignal leadership states that Tigran Sloyan and Sophia Baik co-founded the company in 2015.checked 15 Oct 2026
- Company legal name
- Crunchbase lists the legal name as CodeSignal Inc. and former names CodeFights and BrainFights.checked 15 Oct 2026
- Founded
- 2015checked 23 Sep 2026
- Headquarters and size
- LinkedIn lists San Francisco, California headquarters and a company size of 51–200 employees.checked 15 Oct 2026
Money
- Limit: missing learning explanations
- GetApp reviewers report that educational problems may lack solutions or definitive guidance on how submissions compare with optimal solutions.checked 15 Oct 2026
The full review of CodeSignal
CodeSignal is a skills platform for hiring teams that want to assess candidates, conduct interviews, and develop skills in one place. It also gives individual learners a free practice route. Its breadth suits organizations hiring across technical and nontechnical roles, though teams should match credit allowances and support coverage to their needs.
Overview
Founded in 2015, CodeSignal combines pre-hire assessments, AI-led and live interviews, learning tools, and skills analytics. Assessments simulate job tasks; AI Interviewer agents adapt questions and return structured evaluations, while Live Tech Interviews pair collaborative coding with communication. For teams wanting a more complete hiring-and-development workflow, that range is a strength. Buyers seeking only a lightweight coding test may not need the wider platform.
Key features
Assessment options cover skills, cognitive, behavioral, and job-fit evaluation, with custom assessments, proctoring, and reporting. AI proctoring and ID verification appear in Build; Pro adds advanced fraud prevention and role-based access controls. These safeguards are useful when remote assessment integrity matters, but the plan distinction is important for teams with stricter requirements.
Skills validation, analytics, and benchmarking can help organizations identify strengths and gaps. Integrations include Greenhouse, Ashby, Workday, Absorb LMS, Docebo, Okta, and Slack, supporting connections across hiring, learning, and identity workflows.
CodeSignal says it is hosted on AWS and undergoes an annual independent SOC 2 examination. Pro lists SSO, SCIM, JIT, audit logs, data-retention controls, and custom security review, DPA, and MSA. Those controls make Pro the relevant tier for enterprise security requirements.
Pricing
CodeSignal is freemium. Individuals can start for free with Cosmo tutoring, personalized skills paths, practice-based learning, bite-sized modules, and a skills profile. Cosmo+ costs $24.99 a month and retains the tutor, paths, and practice; the free tier adds modules and a profile, making it the better no-cost starting point.
Build costs $99 a month when billed monthly and includes five monthly credits, universal and core tech assessments, access to 2,000 questions, AI proctoring, and ID verification. Annual billing is described as 60 credits per year, while the pricing note gives paid plans from $79/mo (annual). Build suits smaller hiring programs, but its credit allowance is a real constraint if assessment volume is high. Build support is weekday 9–5 PT by email.
Grow costs $599 a month when billed monthly, with 35 monthly credits, go-to-market assessments, sales, customer success, and marketing AI Interviewers, plus basic ATS integrations. It is the clearer fit for teams hiring beyond technical roles; its larger allowance and broader interview coverage come at a substantial monthly step up. Grow support is also weekday 9–5 PT by email.
Pro has custom pricing and custom credits, with all assessments and AI Interviewers, advanced fraud prevention and RBAC, enterprise ATS integrations, a dedicated customer success manager, and quarterly business reviews. Its 24/7/365 email support and security controls favor larger or more demanding programs. Organizations should compare custom credits against expected use before committing.
Platforms
CodeSignal supports Android, iOS, web, and API access. That range covers mobile learning as well as web-based organizational workflows and integrations.
Who it's for
CodeSignal is best suited to organizations that want one platform for assessment, interviewing, and skills development, particularly those evaluating technical candidates alongside sales, customer success, or marketing roles. Individual learners can use the free practice tools without buying an organizational plan. Teams with modest volumes may find Build sufficient; high-volume or enterprise buyers should weigh credit needs, security controls, integrations, and support hours against Grow or Pro.
Pros and cons
- Pros: Combines assessments, AI and live interviews, learning, and skills analytics, reducing the need to assemble those capabilities separately.
- Pros: Assessment coverage extends beyond coding to cognitive, behavioral, and job-fit types, with custom assessment and proctoring support.
- Pros: Free individual learning and a free organizational entry point make it possible to begin without an upfront subscription.
- Cons: Build's five monthly credits can limit teams with frequent candidate testing; annual billing provides 60 credits, not an unlimited pool.
- Cons: Grow's 599.00 USD monthly price is a significant increase over Build, while Pro requires custom pricing.
- Cons: Build and Grow email support is limited to weekday 9–5 PT, which may not suit teams needing round-the-clock help.
Alternatives
For a coding-focused comparison, see Coding Assessment Platforms or Coding Challenge Platforms. Broader hiring needs may suit Talent Assessment Software, Pre-Employment Assessment Software, or Assessment Software.
HackerRank is worth comparing for a paid coding assessment and interview plan: its Starter tier is $165 a month, billed annually at $1,990, for one user, 120 annual attempts, and $20 per additional attempt. HackerEarth Assessments offers a free tier capped at five test invites, three interview invites, and two admins, a simpler starting point for tightly limited use. Savyre is another alternative.
Hirevoult charges $6 per assessment for an assessment-only option with proctoring and a hire/no-hire recommendation. CoderScreen has a free forever Basic tier with three monthly live interviews, five monthly assessment invites, and one team member. TalentsAccess offers a free Starter tier with up to 50 assessments per month, coding and MCQ challenges, and basic webcam AI proctoring. MeritTrac CodeTrac is an alternative. TestHike is a paid option with custom quotes based on assessment volume, reviewer seats, and required features.
Verdict
Choose CodeSignal if your organization wants assessments, interviews, and skills development together, with room to serve both technical and broader hiring needs. Its strongest case is breadth paired with structured evaluation and enterprise controls. Look elsewhere if a small credit quota, weekday-only support on lower tiers, or custom enterprise pricing does not fit your operation.
Getting started
- Visit https://codesignal.com/.
- Choose the individual free plan or review the paid plans.
- Individuals can start with the free plan; Cosmo+ is available at $24.99 a month.
- For hiring and assessment plans, compare Build at $99 a month and Grow at $599 a month.
- Use CodeSignal on web, Android, or iOS, or connect through its API.
Limits worth knowing
The free Individuals plan includes practice-based learning, personalized skills paths, bite-sized modules, a built-in tutor, and a skills profile. Build includes 5 monthly credits when billed monthly; Grow includes 35 monthly credits. Pro pricing is tailored to the plan.
Questions
Is CodeSignal free?
Yes. Its Individuals plan is free and includes a built-in tutor, personalized skills paths, practice-based learning, bite-sized modules, and a skills profile.
What does Cosmo+ cost?
Cosmo+ costs $24.99 a month. It includes a built-in tutor, personalized skills paths, and practice-based learning.
How much are the Build and Grow plans?
Build is $99 a month and includes 5 monthly credits. Grow is $599 a month and includes 35 monthly credits.
What platforms does CodeSignal support?
CodeSignal lists Android, iOS, web, and API.
Which integrations are listed?
The integrations directory includes Greenhouse, Ashby, Workday, Absorb LMS, Docebo, Okta, and Slack.
What security and compliance details does CodeSignal state?
The Pro plan lists SSO, SCIM, JIT, audit logs, data retention controls, and custom security review, DPA, and MSA. CodeSignal says it is hosted on AWS and undergoes an annual independent SOC 2 examination.
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