Technical hiring assessments · November 2026 Edition
Codility vs CodeSignal
Seven of fourteen models named Codility first on the direct prompt; two named CodeSignal. Both were named by all fourteen models and Codility carries 58 labels and CodeSignal 57, so the shares are not directly comparable.
Named in four categories this edition.
Named in three categories this edition.
First-choice share21%8%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate21%19%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#4A position in a field of 8; printed, not drawn.
Labels5857A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Codility reading right to left. Rank and label count are printed, not drawn.HackerRank was named alongside these two in eleven of the fourteen direct answers. HackerRank vs Codility · HackerRank vs CodeSignal · Codility vs Coderbyte
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the technical hiring assessments page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
CodilityFirst choices, of fourteen modelsCodeSignal
Direct72
Paraphrase211 against Codility · 2 against CodeSignal
Comparative42
Budget-constrained015 against Codility · 1 against CodeSignal
Scale-constrained10
Negative116 against Codility · 8 against CodeSignal
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.
Across every category in the November 2026 Edition, Codility and CodeSignal were named in the same answer 145 times, of the 251 answers naming Codility and the 194 naming CodeSignal. In those answers CodeSignal took the first choice fourteen times and Codility twenty-eight.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Codility and CodeSignal stood in it.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | ||||
| GPT-5.4 mini | | | | |||
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | | | | |||
| Grok 4.20 | | | | | | |
| Mistral Small | | | | |||
| DeepSeek V4 Flash | | | | | | |
| Llama 4 Maverick | | | ||||
| Qwen 3.7 Flash | | | | | | |
| Kimi K2 | | | | | | |
| GLM 4.7 FlashX | | | | | ||
| MiniMax M2.5 | | | ||||
| GPT-6 Luna | | | | |||
| Muse Glimmer 30B | | | | | |
Codility CodeSignal first choice named as an alternative argued againstblank: not namedEach cell is one answer, Codility on the left and CodeSignal on the right.The direct prompt
The plain question, one answer per model, grouped by where Codility and CodeSignal stood in it.
Codility first, CodeSignal an alternative
7 of 14 modelsCodeSignal was named in the answer but not as the choice, or not at all.GPT-5.4 miniCodility alternatives: CodeSignal, HackerRank
DeepSeek V4 FlashCodility alternatives: CodeSignal, Coderbyte, HackerRank, TestGorilla
Llama 4 MaverickCodility alternatives: CodeSignal, Coderbyte, HackerRank
Kimi K2Codility, HackerRank alternatives: CodeSignal
GLM 4.7 FlashXCodility alternatives: Canditech, CodeSignal, Coderbyte, HackerRank
MiniMax M2.5Codility alternatives: CodeSignal, Coderbyte, HackerRank
Muse Glimmer 30BCodility alternatives: Canditech, HackerRank, TestGorilla
CodeSignal first, Codility an alternative
2 of 14 modelsCodility was named in the answer but not as the choice, or not at all.Mistral SmallCodeSignal alternatives: Coderbyte, Codility, HackerRank, TestGorilla
Qwen 3.7 FlashCodeSignal alternatives: Coderbyte, Codility
Neither was the first choice, one was named
5 of 14 modelsThe answer put something else first and named one of the two as an alternative.Claude Haiku 4.5CodeSubmit, TestGorilla alternatives: CodeSignal, Codility, Qualified
Gemini 3.5 FlashCoderbyte alternatives: CodeSignal, CoderPad, DevSkiller, TestGorilla
Perplexity SonarHackerRank alternatives: CodeSignal, Coderbyte, Codility, TestGorilla
Grok 4.20HackerRank alternatives: CodeSignal, Codility
GPT-6 LunaHackerRank alternatives: CodeSignal, CoderPad
Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Mid-marketThe figures above
Enterprise
Codility leads by nine points.
Codility21%#2 of 10CodeSignal11%#4 of 10What the models said about Codility
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of six in this category shown.
“Why Avoid the Giants? (HackerRank & Codility) ... often poor choices for *strictly* limited budgets” Qwen 3.7 Flash · budget prompt · hard negative
“While these are industry standards, they carry specific complaints regarding *usability* and *relevance* rather than malice.” Qwen 3.7 Flash · negative prompt · soft negative
“significantly cheaper than enterprise-focused platforms like HackerRank or Codility (which start around $1,200+/year)” Kimi K2 · budget prompt · soft negative
“Codility | Defensible hiring decisions; agentic AI coding | ~$1,200/yr (120 credits) | Strongest proctoring, VS Code env, Claude Code integration” DeepSeek V4 Flash · scale prompt · first choice
“Choose Codility if you need defensible, custom work-sample assessments, strong compliance/auditability and explicit coding-agent support.” Muse Glimmer 30B · comparative prompt · first choice
“For most mid-market B2B companies, Codility offers the best balance of assessment quality, pricing, and defensibility.” MiniMax M2.5 · direct prompt · first choice
What the models said about CodeSignal
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Users have reported numerous bugs, system refreshes that lost their code, and random language switches during assessments” Claude Haiku 4.5 · negative prompt · hard negative
“Frequent candidate complaints about glitches in the editor... Trustpilot averages around 3/5, with reports of lost work during timed tests.” Grok 4.20 · negative prompt · soft negative
“CodeSignal assessments requiring proctoring: Be aware that a proctored assessment may record your camera, microphone, and screen” GPT-6 Luna · negative prompt · soft negative
“Offers a free plan and is highly ranked for technical hiring... This is a strong choice if you need a robust, all-in-one solution without immediate cost.” Mistral Small · budget prompt · first choice
“Highly ranked for its broad assessment suite, analytics, proctoring, and integrations, making it a strong all-around choice” Mistral Small · direct prompt · first choice
“Choose CodeSignal for standardized assessments, certification, structured scoring, or high-volume early-career hiring.” Perplexity Sonar · comparative prompt · first choice
Also compared
HackerRank vs CodilityHackerRank vs CodeSignalCodility vs CoderbyteCodility vs CoderPadCodility vs TestDomeCodility vs TestGorillaCoderbyte vs CodeSignalCodeSignal vs CoderPadCodeSignal vs TestDomeCodeSignal vs TestGorillaAll twenty-one head-to-head pages and the full technical hiring assessm standing
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.