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Technical hiring assessments · October 2026 Edition

HackerRank vs Codility

Three of fourteen models named HackerRank first on the direct prompt; three named Codility. Both were named by all fourteen models and HackerRank carries 64 labels and Codility 53, so the shares are not directly comparable.

HackerRank

accepted challenger

Named in five categories this edition.

Codility

accepted challenger

Named in three categories this edition.

First-choice share17%9%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate22%25%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#6A position in a field of 9; printed, not drawn.
Labels6453A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, HackerRank reading right to left. Rank and label count are printed, not drawn.CodeSignal was named alongside these two in ten of the fourteen direct answers. HackerRank vs CodeSignal · HackerRank vs CoderPad · HackerRank 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.
HackerRankFirst choices, of fourteen modelsCodility
Direct332 against Codility
Paraphrase411 against Codility
Comparative112
Budget-constrained102 against HackerRank · 2 against Codility
Scale-constrained21
Negative0012 against HackerRank · 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, HackerRank and Codility were named in the same answer 190 times, of the 271 answers naming HackerRank and the 212 naming Codility. In those answers Codility took the first choice eight times and HackerRank forty-five.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where HackerRank 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
HackerRank Codility first choice named as an alternative argued againstblank: not namedEach cell is one answer, HackerRank on the left and Codility on the right.

The direct prompt

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

HackerRank first, Codility an alternative

3 of 14 modelsCodility was named in the answer but not as the choice, or not at all.
GPT-5.4 miniHackerRank alternatives: CodeSignal, Codility
Grok 4.1 FastHackerRank alternatives: CodeSignal, CoderPad, Coderbyte, Codility
Muse Glimmer 30BCodeSignal, DevSkiller, HackerRank alternatives: Codility

Codility first, HackerRank an alternative

3 of 14 modelsHackerRank 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.
Mistral SmallGoodfit alternatives: HackerRank
Llama 4 MaverickGoodfit alternatives: CodeSignal, Coderbyte, HackerRank
Qwen 3.7 FlashCodeSignal alternatives: CoderPad, Codility, TestGorilla, Voomer
Kimi K2Coderbyte alternatives: HackerRank, TestGorilla
GPT-6 LunaCodeSignal Hire Grow alternatives: CoderPad, HackerRank

Neither was named

3 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5HackerEarth, TestGorilla alternatives: CodeSignal
Gemini 3.5 FlashCoderPad, Woven alternatives: CodeSignal
Perplexity SonarCodeSignal alternatives: Coderbyte, DevSkiller

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
HackerRank leads by eight points.
HackerRank12%#4 of 8
Codility3%#7 of 8
The full small business standing →
Mid-marketThe figures above
HackerRank leads by nine points.
HackerRank17%#1 of 9
Codility9%#6 of 9
The full mid-market standing →
Enterprise
HackerRank leads by forty points.
HackerRank51%#1 of 8
Codility11%#4 of 8
The full enterprise standing →

What the models said about HackerRank

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

“LeetCode-style algorithm challenge platforms (e.g., HackerRank, Codility, CodeSignal): While widely used, these are often criticized for not reflecting real-world job tasks” Mistral Small · negative prompt · hard negative
“HackerRank – Low Trustpilot score, no refund policy, no debugger, unreliable AI scoring.” GLM 4.7 FlashX · negative prompt · hard negative
“Avoid pricier ones like Codility/HackerRank ($150\u2013$249+/mo) unless scaling up.” Grok 4.1 Fast · budget prompt · hard negative
“used by 40% of Fortune 100 companies and is known for coding challenges, real-world project assessments... making it unmatched for engineering hiring” Claude Haiku 4.5 · comparative prompt · first choice
“Choose HackerRank or Codility if you are an enterprise needing rigorous automated screening with ironclad proctoring” Gemini 3.5 Flash · comparative prompt · first choice
“HackerRank if you are a large company hiring hundreds of developers and need a standardized process.” GLM 4.7 FlashX · comparative 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.