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Technical hiring assessments · October 2026 Edition

CodeSignal vs Codility

Three of fourteen models named CodeSignal first on the direct prompt; three named Codility. Both were named by all fourteen models and CodeSignal carries 58 labels and Codility 53, so the shares are not directly comparable.

CodeSignal

accepted challenger

Named in four categories this edition.

Codility

accepted challenger

Named in three categories this edition.

First-choice share16%9%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate17%25%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#6A position in a field of 9; printed, not drawn.
Labels5853A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, CodeSignal reading right to left. Rank and label count are printed, not drawn.HackerRank was named alongside these two in ten of the fourteen direct answers. HackerRank vs CodeSignal · HackerRank vs Codility · CodeSignal vs CoderPad

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.
CodeSignalFirst choices, of fourteen modelsCodility
Direct332 against Codility
Paraphrase411 against Codility
Comparative12
Budget-constrained102 against CodeSignal · 2 against Codility
Scale-constrained11
Negative008 against CodeSignal · 8 against Codility
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 October 2026 Edition, CodeSignal and Codility were named in the same answer 128 times, of the 186 answers naming CodeSignal and the 212 naming Codility. In those answers Codility took the first choice fourteen times and CodeSignal seventeen.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where CodeSignal and Codility stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.1 Fast
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
CodeSignal Codility first choice named as an alternative argued againstblank: not namedEach cell is one answer, CodeSignal on the left and Codility on the right.

The direct prompt

The plain question, one answer per model, grouped by where CodeSignal and Codility stood in it.

CodeSignal first, Codility an alternative

3 of 14 modelsCodility was named in the answer but not as the choice, or not at all.
Perplexity SonarCodeSignal alternatives: Coderbyte, DevSkiller
Qwen 3.7 FlashCodeSignal alternatives: CoderPad, Codility, TestGorilla, Voomer
Muse Glimmer 30BCodeSignal, DevSkiller, HackerRank alternatives: Codility

Codility first, CodeSignal an alternative

3 of 14 modelsCodeSignal was named in the answer but not as the choice, or not at all.
DeepSeek V4 FlashCodility alternatives: CodeSignal, HackerRank
GLM 4.7 FlashXCodility, TestGorilla alternatives: CodeSignal, Coderbyte, HackerRank
MiniMax M2.5Codility alternatives: AssessHub, CoderPad, HackerRank

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 4.5HackerEarth, TestGorilla alternatives: CodeSignal
GPT-5.4 miniHackerRank alternatives: CodeSignal, Codility
Gemini 3.5 FlashCoderPad, Woven alternatives: CodeSignal
Grok 4.1 FastHackerRank alternatives: CodeSignal, CoderPad, Coderbyte, Codility
Llama 4 MaverickGoodfit alternatives: CodeSignal, Coderbyte, HackerRank

Neither was named

3 of 14 modelsThe answer made no first choice from these two in this category.
Mistral SmallGoodfit alternatives: HackerRank
Kimi K2Coderbyte alternatives: HackerRank, TestGorilla
GPT-6 LunaCodeSignal Hire Grow alternatives: CoderPad, HackerRank

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
CodeSignal leads by two points.
CodeSignal5%#5 of 8
Codility3%#7 of 8
The full small business standing →
Mid-marketThe figures above
CodeSignal leads by seven points.
CodeSignal16%#2 of 9
Codility9%#6 of 9
The full mid-market standing →
Enterprise
CodeSignal leads by two points.
CodeSignal13%#3 of 8
Codility11%#4 of 8
The full enterprise standing →

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 seven in this category shown.

“Avoid enterprise-only platforms like CodeSignal, which require contacting sales and have no transparent pricing” DeepSeek V4 Flash · budget prompt · hard negative
“Reports of technical glitches like poor error highlighting, code wiping on refresh, and unreliable editor” Grok 4.1 Fast · negative prompt · hard negative
“(e.g., HackerRank, Codility, CodeSignal): ... often criticized for not reflecting real-world job tasks” Mistral Small · negative prompt · hard negative
“CodeSignal / DevSkiller are commonly recommended for 50-500 hires mid-market teams wanting a standardized score and predictable pricing.” Muse Glimmer 30B · direct prompt · first choice
“I'd recommend CodeSignal as the top technical interview tool for a mid-sized B2B company” MiniMax M2.5 · paraphrase prompt · first choice
“If you want a single recommendation, I'd pick CodeSignal for a mid-market B2B company” Perplexity Sonar · direct prompt · first choice

What the models said about Codility

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.

“Avoid if budget is the main constraint... Codility tends to start higher and is more enterprise-oriented” GPT-5.4 mini · budget prompt · hard negative
“(e.g., HackerRank, Codility, CodeSignal): ... often criticized for not reflecting real-world job tasks” Mistral Small · negative prompt · hard negative
“High negative sentiment (e.g., labeled "hostile candidate experience" in AI model analyses)” Grok 4.1 Fast · negative prompt · hard negative
“### 1. Codility - Best for: Mid-market to enterprise companies needing secure, scalable assessments” MiniMax M2.5 · direct prompt · first choice
“Choose HackerRank or Codility if you are an enterprise needing rigorous automated screening” Gemini 3.5 Flash · comparative prompt · first choice
Also compared

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.