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Comparison

DeftBench vs Codility

Codility assesses engineers in VS Code and lets you decide how AI fits in: switch it on to watch how candidates work with it, or off to test fundamentals. Every plan includes an agentic AI copilot, and Custom plans add the Claude Code CLI. DeftBench makes the agent the whole assessment — every candidate works with a full coding agent of your choosing, and the evaluation scores how well they directed it.

Codility goes wide: hiring, structured interviews, and mapping the skills of the team you already have, with assessments designed by I/O psychologists. DeftBench goes deep on agent-direction skill, with every score linked to the moment in the session that produced it.

Candidate works with
CodilityVS Code with terminal, packages, and multi-file projects. An agentic AI copilot on every plan; the Claude Code CLI on Custom plans
DeftBenchA full coding agent on every plan — Cline, Claude Code, Codex, or GitHub Copilot, chosen per invite — in an isolated, per-session workspace
Role of AI
CodilityConfigurable per assessment: enable it to see how candidates work with AI, or disable it to isolate fundamentals
DeftBenchAlways on — directing the agent well is what's being measured
What's captured
CodilityReviewable AI activity per assessment, plus behavioural signals — keystrokes, paste, defocus — combined into a four-tier integrity risk level
DeftBenchEvery prompt, agent tool call, terminal command, commit, and diff, with each change attributed to the candidate or the agent
What's scored
CodilityAutomated code analysis of quality, maintainability, and complexity, in assessments designed by I/O psychologists
DeftBenchHow the candidate directed the agent — prompting, delegation, verification, override — with every score deep-linked to the evidence behind it
Format
CodilityScreen (take-home), Interview (live, in VS Code), and Skills Intelligence (mapping your current team's skills)
DeftBenchAsync take-home / technical screen
Custom tasks
CodilityBuild custom tasks from your own IDE and codebase via MCP on Scale and up
DeftBenchRealistic, open-ended problems built around ambiguity
Pricing
CodilityPublished. Starter $1,200/yr (120 invites, 1 user); Scale $600/mo on an annual commitment (300 invites/yr, 3 users)
DeftBenchNot published yet — pre-GA, onboarding design partners through a guided pilot

Codility details last verified against codility.com, codility.com/pricing and codility.com/ai-technical-assessment on October 20, 2026. This page isn't affiliated with or endorsed by Codility — flag hello@deftbench.com if anything above is out of date.

Choose Codility if

  • You want the option to switch AI off and test fundamentals for some roles, and on for others.
  • You also want to map the skills of your existing engineering organisation, not only hire.
  • You need documented I/O-psychology methodology and certifications like SOC 2 and ISO 27001 today.

Choose DeftBench if

  • Your engineers work agent-first, and the interview should always measure how well they direct one.
  • You want a full coding agent on every plan — including Copilot and Cline — rather than an assistant with a CLI agent on custom plans.
  • You want each score tied to the specific tool call, diff, or prompt that earned it.

Other comparisons: DeftBench vs HackerRank · DeftBench vs CoderPad · All comparisons

Frequently asked

DeftBench vs Codility, answered.

Yes. Every Codility plan includes an agentic AI copilot with reviewable activity, and Custom plans add the Claude Code CLI. AI can be switched on or off per assessment. On DeftBench the agent is always on, every plan gets a full agent — Cline, Claude Code, Codex, or GitHub Copilot — and the evaluation scores how the candidate directed it.
For an async, agent-directed technical screen at a team whose engineers already work with AI agents, yes. If you need AI-off assessments for fundamentals, live interviews, or workforce skills mapping, Codility covers more ground.
Broadly, yes: both focus on who is at the keyboard rather than policing AI use. Codility combines behavioural signals into a four-tier risk level; DeftBench's proctoring targets identity fraud and help from outside the sanctioned environment, and never blocks or penalises use of the provided agent.
Codility publishes its pricing: $1,200/yr for Starter or $600/mo on an annual commitment for Scale. DeftBench hasn't published pricing yet — it's pre-GA and onboarding design partners through a guided pilot. Talk to us and we'll walk you through cost for your hiring volume.

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