Comparison18 min read

The 8 best talent assessment tools for enterprise hiring in 2027, scored on published criteria_

We scored 8 talent assessment tools on validation, AI-era integrity, AI-assisted work and enterprise fit. Pricing, limitations and who each suits.

CG
Christopher Greco
Head of Product Marketing · Published 2 October 2026 · Data cutoff 23 September 2026

Codility is our pick for enterprises that need trustworthy information for a hiring decision that has to hold up, in engineering roles and in AI skills for business roles. Another tool fits better in three cases. If you need validated personality and cognitive testing across every role family, look at SHL or HireVue. If you want self-serve screening with a free plan, TestGorilla is the faster start. If you want an AI interviewer to run the first conversation, CodeSignal and HackerRank ship one, and we do not.

Between 9 and 23 September 2026 we read the product documentation, pricing pages, trust pages and public reviews for 9 vendors, then rated each one against six published criteria. Codility publishes this article and ranks first in it, so the method and every rating are on the page for you to check.

What this article covers:

Key Takeaways

  • Validation is the first thing to ask for, and few vendors publish it in full. Codility is the only one of the 8 where we found a full technical manual publicly offered. SHL documents the APA, SIOP and BPS guidelines it builds to, and HireVue publishes an AI Explainability Statement. The others publish a science page, a single study or nothing.
  • Browser-only proctoring cannot see an overlay app. CodeSignal’s own documentation says its proctoring has no access to applications on the operating system. Codility (Device Integrity Desktop App) and HackerRank (Desktop App mode) work at the operating-system level.
  • The AI-era question is how a candidate uses AI, not whether they did. Codility, HackerRank and CodeSignal let candidates work with coding agents inside the task and keep a record of the AI activity. Codility applies the same approach to business roles through AI for Business, where candidates work alongside an AI Assistant and no generative AI grades the work.
  • AI interviewers are now standard in the category, and their scores are rarely validated in public. CodeSignal, HackerRank (Chakra), HackerEarth, TestGorilla and Spotted Zebra ship one. For the two we checked in depth, Chakra and CodeSignal’s AI Interviewer, we found no published validation for the score. Codility does not offer an AI interviewer, by design, as it can’t withstand IO validation.
  • For enterprises that must defend a technical hiring decision, Codility scored highest on our published criteria. It scored 290 of 300, and it stays first when every criterion is weighted equally.

Which are the best talent assessment tools for enterprise hiring in 2026?

  • 01 Codility: Best for enterprises that need trustworthy information for a hiring decision that has to hold up, in engineering roles and in AI skills for business roles
  • 02 HackerRank: Best for a large technical question library and the sheer number of ATS connectors
  • 03 CodeSignal: Best for AI interviewers across technical and go-to-market roles
  • 04 SHL: Best for validated psychometrics (personality, cognitive, situational judgment) at global scale across every role family
  • 05 TestGorilla: Best for self-serve multi-role screening with a free plan
  • 06 HireVue: Best for structured video interviews and game-based assessments in high-volume enterprise hiring
  • 07 HackerEarth: Best for high-volume hackathons without proctoring
  • 08 Spotted Zebra: Best for UK enterprise non-technical and early-careers hiring built on skills science
  • What is a talent assessment tool, and which types matter now?

    A talent assessment tool is software that measures a candidate’s or employee’s job-relevant skills, abilities or traits in a standardized way, then reports the result so you can compare people on the same evidence. Most enterprise platforms combine several of the five types below, and the mix matters more in 2026 because AI changes what each type can still measure reliably.

    Type What it measures Which of the 8 offer it
    Skills and work samples Doing the real tasks of the job in a realistic environment Codility, HackerRank, CodeSignal, TestGorilla, HackerEarth
    Cognitive ability Reasoning, numerical and verbal ability, learning speed SHL, TestGorilla, HireVue (game-based)
    Personality Stable work-related traits such as conscientiousness SHL, TestGorilla, HireVue (game-based)
    Situational judgment Choices in realistic work scenarios SHL, TestGorilla
    AI or video interview Structured answers, scored by a model or a reviewer CodeSignal, HackerRank, SHL, TestGorilla, HireVue, HackerEarth, Spotted Zebra

    Codility covers the first type in two forms: work samples for engineering roles, and AI-assisted simulations for business roles through AI for Business.

    How did we choose and score these 8 tools?

    Inclusion and exclusion rules

    The ranked list covers tools whose core product is a scored assessment, sold to enterprise hiring teams, with enough public documentation to rate against all six criteria. Tools built mainly around the live interview are listed separately.

    Other tools we evaluated: CoderPad, which is built mainly around the live coding interview.

    Scoring criteria

    We weighted six criteria by what an enterprise buyer has to defend in 2026. Each tool earns Strong (3), Partial (2), Limited (1) or Not documented (0) per criterion, from a public fact we can cite. The weighted score is out of 300.

    Criterion Weight What earns Strong
    Published validation and defensibility 25% A public technical manual or validity documentation, named I-O psychologists, an adverse impact method
    Integrity evidence in the AI era 20% Detection at the operating-system level, identity checks, and one reviewable rating with evidence attached
    Measuring AI-assisted work 20% Candidates can use AI inside the task, usage is captured, and an admin can govern it
    Job realism 15% Work samples in a real environment rather than trivia or self-report
    Enterprise fit 10% SOC 2 or ISO 27001, EU and US data hosting options, named enterprise ATS connectors, SSO
    Role coverage 10% Technical and non-technical roles, cognitive and personality instruments
    Tool Validation 25% Integrity 20% AI-assisted work 20% Realism 15% Enterprise fit 10% Coverage 10% Score
    1Codility Strong Strong Strong Strong Strong Partial 290
    2HackerRank Partial Strong Strong Strong Strong Partial 265
    3CodeSignal Partial Partial Strong Strong Partial Strong 245
    4SHL Strong Limited Partial Partial Strong Strong 225
    5TestGorilla Partial Partial Partial Partial Partial Strong 210
    6HireVue Strong Limited Limited Partial Strong Strong 205
    7HackerEarth Partial Partial Limited Partial Partial Partial 180
    8Spotted Zebra Partial Not documented Limited Partial Partial Partial 140

    Why each non-obvious rating sits where it does:

    • Codility, coverage = Partial but strongest. Codility assesses engineering roles, and AI skills in business roles through AI for Business. It stays Partial because Codility has no personality or cognitive instruments, and public G2 reviewers describe its front-end library as thinner.
    • HackerRank, validation = Partial. HackerRank has an I-O psychology team and a fairness report. We found no public technical manual, and its 93% plagiarism accuracy claim has no published method.
    • CodeSignal, integrity = Partial. Its identity checks are strong (government ID, face match, human review), but proctoring runs in the browser only, and its own knowledge base says proctoring cannot see applications on the operating system.
    • SHL, integrity = Limited. Remote proctoring covers “many, but not all” products and excludes personality assessments. SHL’s validation pedigree rates Strong, and the ranking reflects that.
    • HireVue, integrity = Limited. HireVue publishes an AI Explainability Statement and third-party audits, which earn a Strong on validation. We found no public documentation of controls for hidden AI apps or AI-assisted answers.
    • Spotted Zebra, integrity = Not documented. No integrity controls for assessment delivery are published.

    Sensitivity check. With equal weights (each criterion at one sixth), the order is Codility 17, HackerRank 16, CodeSignal 15, SHL 14, TestGorilla and HireVue 13, HackerEarth 11, Spotted Zebra 9. Codility stays first and the top four keep their order, so the weights do not manufacture the #1.

    Transparency and limitations

    Codility publishes this article and is ranked #1. Here is how to check our work: every rating rests on a public document in our research log, the weights are in the table above, and the equal-weight check shows how much they carry. The ratings are our judgment of public documentation as of 23 September 2026. We did not run hands-on trials of competitor products. Pricing and review ratings change often, and we re-check them at every refresh.

    Comparison snapshot

    Editor’s note: this table summarizes the entries below. Entry pricing is the lowest published plan; enterprise pricing is by quote at all 8 tools.

    Tool Best for Standout capability Entry pricing AI-era readiness Who should not use it
    Codility Defensible decisions in engineering roles and AI skills for business roles Screening and Interviews with strong agentic AI-based coding, Public technical manual; OS-level overlay detection, strongest proctoring $1,200/yr (120 invites) Claude Code CLI in the task and the latest Anthropic, OpenAI, and Gemini models, Fully reviewable AI activity, deterministic scoring Teams whose main need is personality or cognitive testing, or an AI interviewer that runs the conversation
    HackerRank Large technical library and ATS reach Desktop App mode; Chakra AI interviewer $1,990/yr AI assistant in Ask, Plan and Agent modes; AI proctoring on Pro or Add-On Teams that need a public technical manual, or depth for specialized roles
    CodeSignal Agentic AI assessments and AI interviewers Claude Code, Cursor and Codex inside assessments $79/mo, billed annually Agentic tasks; browser-only proctoring Teams that need OS-level detection of overlay apps
    SHL Validated psychometrics at global scale Personality, cognitive and SJT instruments Quote only AI Readiness Profile; proctoring on some products Teams that need integrity evidence on every product, or coding work samples
    TestGorilla Self-serve multi-role screening Free plan; anti-cheating on every plan Free; Core $1,704/yr AI Readiness and AI Fluency tests; no LLM-use detector Enterprises that need ATS, API and ID checks below the Plus plan
    HireVue Structured video and game-based assessment at volume I-O-designed content; AI Explainability Statement Quote only AI-scored video interviews; no documented overlay-app controls Teams that want candidates to use AI inside the task
    HackerEarth High-volume technical hiring and hackathons Hackathons alongside assessments $990/yr Smart Browser lockdown; OnScreen AI interviewer Teams that need current adverse impact data or one unified risk rating
    Spotted Zebra UK non-technical and early-careers hiring ISO 42001; transcript-linked AI interview scores Quote only AI Interview Agent; no published integrity controls Any technical or coding hiring

    The 8 best talent assessment tools of 2026

    1. Codility

    290 / 300 codility.com

    Codility assesses engineering skills with work samples in a real development environment, and AI skills in business roles through AI for Business. Its case for enterprises rests on validation it publishes and integrity evidence a reviewer can check.

    Best for

    Enterprises that need trustworthy information for a hiring decision that has to hold up, in engineering roles and in AI skills for business roles.

    Key features

    • 1,300+ validated tasks, with a 96-page technical manual offered publicly
    • Named I-O psychologists, and adverse impact analyses through Professional Services
    • Screen, Interview and Skills Intelligence on one platform, with 21 integrations
    • SOC 2 Type II and ISO 27001, with EU data hosting on AWS in Germany

    AI-era readiness

    Candidates can work with Claude Code, Anthropic’s coding agent, inside their VS Code environment across Screen, Interview and Skills Intelligence on Custom plans. Starter and Scale include the agentic AI Copilot with Anthropic, OpenAI, and Gemini models. Every AI interaction is saved to the candidate record as reviewable AI activity. You turn AI Assistance on or off per task in Screen and Skills Intelligence and per interview in Interview, under one account-level switch. Scoring is deterministic, and no AI sits in the pass or fail decision.

    Screen/Backend engineer/Priya Natarajan
    shareShare report
    Priya Natarajan
    Backend engineer · python · Completed 18 Sep 2026
    Score
    82%
    Integrity risk
    Low
    Summary Code playback AI activity Integrity
    Claude Code sessionTask 2 of 3 · rate_limiter.py
    00:04:12
    Explain why the sliding window test fails on burst traffic.
    No file changes
    Asked
    00:09:47
    Refactor allow() to use a deque and keep O(1) eviction.
    Edited rate_limiter.py · +34 −8
    Accepted
    00:15:03
    Add tests for concurrent requests across two clients.
    Edited test_rate_limiter.py · +41
    Accepted
    00:21:30
    Switch storage to Redis.
    Edited 3 files · +62 −19
    Reverted
    Session summary
    Prompts9
    Changes accepted6 of 9
    Lines edited by agent112
    info Score is deterministic. AI activity is shown for review and does not change the score.
    Codility candidate report, AI activity tab: every Claude Code interaction is saved to the candidate record for review.

    On integrity, the Codility Desktop App flags hidden overlay apps such as InterviewCoder and Cluely. Signals roll up into one deterministic Integrity Risk band, from None to High, with the evidence attached for review.

    The business Suite brings the same approach to assess AI skills of customer support, customer success, sales, product management, product marketing, marketing, data analysis and finance. Candidates work alongside the AI Assistant to produce a deliverable, yet no generative AI grades the work. It is fully deterministic. It runs in Screen and Interview for hiring and in Skills Intelligence for workforce baselines.

    Integrity riskDesktop App session
    NoneLowMediumHigh
    check_circle
    No overlay apps detected
    Desktop App checked running applications for the full session
    check_circle
    Identity verified
    ID document matched before the first task
    check_circle
    No screen sharing or remote access
    Checked throughout the session
    error
    Left the task window twice
    00:12:40 for 6 s, 00:31:05 for 4 s
    Deterministic rating. No AI is used in this process.
    Integrity Risk band in Codility: one rating, None to High, with the evidence behind it.
    Customer success simulation
    timer32:10 left
    Deliverable
    Renewal-risk email and recovery plan
    Hi Dana, thank you for flagging the onboarding delays. Here is what we will change before your renewal date:
    1. Weekly check-in with your admin team
    2. Usage review for the 4 inactive seats
    3. Named contact for escalations
    Submit deliverable
    auto_awesomeAI Assistant
    Summarize the account’s usage trend from the CSV.
    Active seats fell from 18 to 14 over 60 days. Logins dropped most in the support team.
    Draft a softer opening line.
    AI for Business: the candidate works alongside the AI Assistant to produce a deliverable. No generative AI grades the work.

    Pros

    • Public validation documentation that a legal or I-O team can review
    • Operating-system-level detection of overlay apps, rolled into one reviewable rating
    • Candidates use AI inside the task, and you see exactly how
    • AI skills assessment for eight business role families, not only engineering

    Cons

    • No AI interviewer. This is a deliberate choice, explained in the FAQ.
    • No personality or cognitive tests
    • Task library is thinner in front-end, a theme in public G2 reviews
    • Enterprise features sit on the quote-only Custom tier, and there is no self-serve trial

    Pricing

    Starter $1,200 per year (120 invites, 1 user). Scale $6,000 per year (300 invites, 3 users). Custom by quote.

    User reviews

    G2: 4.6 out of 5 from 905 reviews. Capterra: 4.6 out of 5 from 43 reviews.

    2. HackerRank

    265 / 300 hackerrank.com

    HackerRank is a technical assessment platform built around a large question library and the sheer number of ATS connectors it supports.

    Best for

    A large technical question library and the sheer number of ATS connectors.

    Key features

    • Large library of technical questions and coding challenges
    • Broad list of named ATS connectors
    • I-O psychology team and a published fairness report
    • Chakra, an AI interviewer

    AI-era readiness

    Desktop App mode blocks remote access and screen sharing, and HackerRank names Cluely on its own pages. The July 2026 release added gaze detection (limited availability), multi-face detection and mobile-device detection. Candidates can use an AI assistant in Ask, Plan and Agent modes, and Chakra runs AI-led interviews.

    Pros

    • Operating-system-level controls in Desktop App mode
    • Frequent integrity releases through 2026
    • AI assistant with several working modes
    • Wide integration coverage

    Cons

    • AI proctoring, ID verification and the AI assistant sit on Pro or the paid AI Add-On
    • No public technical manual
    • 93% plagiarism accuracy claim with no published method
    • Reviewers call the library generic for specialized roles (G2 theme)

    Pricing

    Starter $1,990 per year. Pro $4,490 per year. Enterprise by quote. Usage is billed per attempt.

    User reviews

    G2: 4.6 out of 5 from 519 reviews.

    3. CodeSignal

    245 / 300 codesignal.com

    CodeSignal combines coding assessments, agentic AI assessments and AI interviewers, across technical and go-to-market roles.

    Best for

    AI interviewers across technical and go-to-market roles.

    Key features

    • Agentic assessments with Claude Code, Cursor and Codex
    • AI Interviewer, phone screens and video avatars
    • Talent Science team of I-O psychologists, with adverse impact analysis on Certified Assessments
    • Government ID, face match and human review

    AI-era readiness

    Candidates work with real coding agents in agentic assessments, and a Suspicion Score summarizes integrity signals. Identity checks are strong. Proctoring runs in the browser, and CodeSignal’s own knowledge base says it cannot see applications running on the operating system.

    Pros

    • Choice of coding agent inside the task
    • Identity verification with human review
    • Coverage beyond engineering
    • Low published entry price

    Cons

    • Browser-only proctoring with no view of OS-level apps
    • No published validation for the GCA score or the AI Interviewer
    • Advanced fraud prevention only on Pro

    Pricing

    Build $79 per month, billed annually. Grow $479 per month, billed annually. Pro by quote. $20 per extra credit.

    User reviews

    G2: 4.5 out of 5 from 1,405 reviews. Capterra: 4.6 out of 5 from 49 reviews.

    4. SHL

    225 / 300 shl.com

    SHL is a long-established psychometrics provider, with personality, cognitive and situational judgment instruments used across every role family.

    Best for

    Validated psychometrics (personality, cognitive, situational judgment) at global scale across every role family.

    Key features

    • Personality, cognitive and situational judgment instruments
    • Documents the APA, SIOP and BPS guidelines it builds to
    • 80+ ATS integrations
    • Smart Interview On Demand, with AI scoring

    AI-era readiness

    SHL launched its AI Readiness assessment on 21 July 2026. Remote proctoring uses image capture and off-focus tracking, but it covers “many, but not all” products and excludes personality assessments. SHL states it is “unable to provide further guidance” on the likelihood of dishonest behavior from a flag.

    Pros

    • Strong validation pedigree
    • Breadth across role families
    • Global scale and wide ATS coverage

    Cons

    • Proctoring does not cover all products, personality included
    • Flags are not interpreted for you
    • No named detection of AI use
    • Quote-only pricing

    Pricing

    Quote only. SHL Online serves smaller businesses, without public prices.

    User reviews

    We did not find a G2 or Capterra rating for SHL’s assessment product by the data cutoff.

    5. TestGorilla

    210 / 300 testgorilla.com

    TestGorilla is a self-serve screening platform with a multi-role test library and a free plan.

    Best for

    Self-serve multi-role screening with a free plan.

    Key features

    • Test library across technical and non-technical roles
    • AI interviews scored on a 0 to 5 rubric from the transcript
    • AI Readiness and AI Fluency assessments (3 March 2026)
    • Free plan for a fast start

    AI-era readiness

    Anti-cheating runs on all plans: snapshots every 15 seconds, tab tracking and paste tracking. TestGorilla does not run an LLM-use detector, and says it prefers prevention over catching.

    Pros

    • Free plan and quick self-serve setup
    • Broad role coverage
    • Anti-cheating on every plan
    • Assessments of AI skills

    Cons

    • ATS, API and ID verification require Plus (from $4,800 per year)
    • “Scientific validation” is listed on Enterprise only
    • No LLM-use detector

    Pricing

    Free $0. Core $1,704 per year. Plus from $4,800 per year. Enterprise by quote.

    User reviews

    Capterra: 4.1 out of 5 from 267 reviews.

    6. HireVue

    205 / 300 hirevue.com

    HireVue is an enterprise hiring platform built around structured video interviews and game-based assessments, with content designed by its I-O psychologists.

    Best for

    Structured video interviews and game-based assessments in high-volume enterprise hiring.

    Key features

    • Asynchronous video interviews with AI scoring
    • Game-based assessments of general mental ability and personality areas
    • Job analysis with HireVue’s I-O psychologists to choose competencies
    • Annual AI Explainability Statement, plus third-party audits

    AI-era readiness

    An AI-scored assessment typically combines 4 to 6 video questions with 2 or 3 games, and candidates review an AI consent statement first. The Explainability Statement describes how the models are trained and audited. We found no public documentation of controls for hidden AI apps or AI-assisted answers, and no format where candidates use AI inside the task.

    Pros

    • I-O-led content design per role
    • Published explainability and audit record
    • One platform for interviews, assessments and scheduling

    Cons

    • No documented controls for overlay apps or AI-assisted answers
    • Candidates cannot use AI inside the task
    • Quote-only pricing

    Pricing

    Quote only.

    User reviews

    We did not verify a G2 or Capterra rating for HireVue by the data cutoff.

    7. HackerEarth

    180 / 300 hackerearth.com

    HackerEarth pairs technical assessments with a hackathon platform, aimed at high-volume technical hiring.

    Best for

    High-volume hackathons without proctoring.

    Key features

    • Technical assessments for high-volume hiring
    • Hackathon platform alongside assessments
    • OnScreen AI interviewer
    • Smart Browser lockdown

    AI-era readiness

    Smart Browser locks down the candidate’s device during the test, and identity checks include liveness detection. The OnScreen AI interviewer can block AI use or evaluate it. There is no unified risk model across these signals.

    Pros

    • Hackathons and assessments in one place
    • Lockdown browser
    • Low published entry price
    • Configurable stance on AI use in interviews

    Cons

    • Adverse impact study dated October 2020
    • No unified risk model
    • Trust page contradicts itself on SOC 2
    • No AI-skills assessment product

    Pricing

    Growth $990 per year. Scale $3,990 per year. Enterprise by quote. Figures are HackerEarth’s published discounted rates.

    User reviews

    G2: 4.6 out of 5 from 545 reviews. Capterra: 4.7 out of 5 from 26 reviews.

    8. Spotted Zebra

    140 / 300 spottedzebra.co.uk

    Spotted Zebra is a UK skills platform for non-technical and early-careers hiring.

    Best for

    UK enterprise non-technical and early-careers hiring built on skills science.

    Key features

    • Skills-based assessment design
    • AI Interview Agent (5 March 2026) with transcript-linked scoring
    • ISO 42001 certification for AI management

    AI-era readiness

    The AI Interview Agent links each score to the transcript, and ISO 42001 covers how Spotted Zebra manages its AI. We found no published integrity controls for assessment delivery.

    Pros

    • ISO 42001 for AI management
    • Transcript-linked interview scores
    • Focus on early careers

    Cons

    • No technical or coding assessment
    • No published integrity controls
    • No published validation studies
    • No SOC 2
    • No public pricing

    Pricing

    Quote only.

    User reviews

    About 5 reviews on G2, too few to rate.

    Where does each tool stand on AI-era integrity?

    Hidden overlay apps such as Cluely and InterviewCoder run outside the browser and stay invisible during screen sharing. What a tool can see depends on where its detection runs.

    Browser-level proctoringbrowser tab
    operating system
    Assessment tab
    Overlay app
    Not visible
    Can see
    Tab switchesPaste eventsWebcam images
    CodeSignal, SHL, TestGorilla
    Operating-system-level detectionwhole device
    operating system
    Assessment tab
    Overlay app
    Flagged
    Can see
    Overlay appsScreen sharingRemote accessTab switches
    Codility Desktop App, HackerRank Desktop App mode
    Browser-level proctoring sees the assessment tab. Operating-system-level detection also sees apps running beside it.
    Tool Sees apps outside the browser Identity checks One rating with evidence Notes
    Codility Yes
    Desktop App flags overlay apps
    Yes
    ID verification
    Yes
    Integrity Risk band, None to High
    Deterministic rating, no black-box AI in the rating
    HackerRank Yes
    Desktop App mode
    Paid tier
    Pro or AI Add-On
    Not documented
    Gaze, multi-face and mobile detection (July 2026)
    CodeSignal No
    Browser only
    Yes
    ID, face match, human review
    Yes
    Suspicion Score
    Advanced fraud prevention on Pro
    SHL No
    Partial
    Image capture
    No
    Flags not interpreted
    Proctoring excludes personality assessments
    TestGorilla No
    Snapshots, tab and paste tracking
    Paid tier
    Plus plan
    Not documented
    Prevention over detection, no LLM-use detector
    HireVue Not documented
    Not documented
    Not documented
    AI consent statement before AI-scored assessments
    HackerEarth Partial
    Smart Browser lockdown
    Yes
    ID with liveness detection
    No
    No unified risk model
    OnScreen AI interviewer can block or evaluate AI use
    Spotted Zebra Not documented
    Not documented
    Not documented
    ISO 42001 for AI management

    Two tools, Codility and HackerRank, detect at the operating-system level. Only Codility and CodeSignal roll their signals into one rating a reviewer can open, and Codility’s is the only one that is deterministic, with no AI in the rating itself.

    How much do talent assessment tools cost?

    Enterprise pricing is quote-only at all 8 tools. The entry tiers show something more useful: how each vendor counts usage. Codility’s entry plan costs $10 per invite, against $16.58 per attempt at HackerRank and $15.80 per credit at CodeSignal. HackerEarth is cheaper per unit, at $8.25 per invite.

    Entry plan: included annual volume against annual price

    $2,500 $2,000 $1,500 $1,000 $500 $0
    HackerRank $16.58 / attempt
    Codility $10.00 / invite
    HackerEarth $8.25 / invite
    CodeSignal $15.80 / credit
    0 30 60 90 120 150
    Included candidate volume per year (invites, attempts or credits)
    Units differ. An invite, an attempt and a credit are counted differently by each vendor, so compare the unit as well as the price. TestGorilla Core costs $1,704 per year with no published credit count. SHL, HireVue and Spotted Zebra are quote only. Vendor pricing pages, accessed 23 September 2026.
    Tool Entry plan Annual price Included volume Price per unit
    Codility Starter $1,200 120 invites $10.00 / invite
    HackerRank Starter $1,990 120 attempts $16.58 / attempt
    CodeSignal Build $948 60 credits $15.80 / credit
    HackerEarth Growth $990 120 invites $8.25 / invite
    TestGorilla Core $1,704 Not published n/a
    SHL Quote only n/a n/a n/a
    HireVue Quote only n/a n/a n/a
    Spotted Zebra Quote only n/a n/a n/a

    How do you choose the right talent assessment tool?

    Work through these five steps in order. Each one ends with the tools that fit if that step is your deciding factor.

    01

    Ask for the validation evidence first

    Request the technical manual, the adverse impact method and the names of the I-O psychologists behind the content. A decision you have to defend needs scores that someone outside the vendor can review.

    Decision: If validated psychometrics across every role family is the main need, shortlist SHL or HireVue.

    02

    Test integrity at the operating-system level

    Run your pilot with an overlay app open beside the assessment, and check what the vendor’s report shows. Then ask whether the signals roll into one rating a reviewer can open, and whether AI sits in that rating.

    Decision: If your roles are technical and remote, shortlist Codility or HackerRank in Desktop App mode.

    03

    Decide how candidates should use AI

    Choose whether AI is allowed inside the task, and confirm the tool records every interaction and lets an admin switch it off per task. Score the outcome the same way for every candidate.

    Decision: If candidates should choose their own coding agent, look at CodeSignal or Codility. For business roles, look at Codility AI for Business or TestGorilla’s AI Fluency assessment.

    04

    Match the tool to your volume and roles

    List the role families you hire for in the next 12 months and the candidate volume for each. Most enterprises need one tool for technical depth and may need another for frontline volume.

    Decision: If your volume is frontline and non-technical, shortlist SHL, HireVue or TestGorilla. For hackathons, HackerEarth. For UK early careers, Spotted Zebra.

    05

    Check enterprise fit before the pilot ends

    Confirm SOC 2 or ISO 27001, the hosting region, SSO and a named connector for your ATS, and ask which plan each one sits on. Entry plans often leave these out.

    Decision: If EU data residency is a requirement, get the hosting region in writing from every vendor, including us.

    FAQ

    What is the difference between a talent assessment tool and an ATS?

    An applicant tracking system manages the hiring workflow: job posts, applications, stages and offers. A talent assessment tool measures a candidate’s skills or traits and returns a result you can compare. Most enterprises run both and connect them, so invites go out from the ATS and results come back to the candidate record. When you compare assessment vendors, check that your ATS is on their named connector list, and ask which plan the connector sits on.

    See how Codility scores on your roles

    A 30-minute walkthrough with our team: your roles, your stack and your integrity requirements.

    Talk to us