Technical hiring assessments · October 2026 Edition
HackerRank vs CodeSignal
Three of fourteen models named HackerRank first on the direct prompt; three named CodeSignal. Both were named by all fourteen models and HackerRank carries 64 labels and CodeSignal 58, so the shares are not directly comparable.
Named in five categories this edition.
Named in four categories this edition.
First-choice share17%16%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate22%17%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#2A position in a field of 9; printed, not drawn.
Labels6458A 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.HackerRank vs CoderPad · HackerRank vs Coderbyte · HackerRank vs TestGorilla
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 modelsCodeSignal
Direct33
Paraphrase44
Comparative111
Budget-constrained112 against HackerRank · 2 against CodeSignal
Scale-constrained21
Negative0012 against HackerRank · 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 October 2026 Edition, HackerRank and CodeSignal were named in the same answer 160 times, of the 271 answers naming HackerRank and the 186 naming CodeSignal. In those answers CodeSignal took the first choice sixteen times and HackerRank fifty-one.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where HackerRank 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 4.1 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 CodeSignal first choice named as an alternative argued againstblank: not namedEach cell is one answer, HackerRank on the left and CodeSignal on the right.The direct prompt
The plain question, one answer per model, grouped by where HackerRank and CodeSignal stood in it.
Both were the first choice
1 of 14 modelsThe answer named them together, and the judge labeled each a first choice.Muse Glimmer 30BCodeSignal, DevSkiller, HackerRank alternatives: Codility
HackerRank first, CodeSignal an alternative
2 of 14 modelsCodeSignal 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
CodeSignal first, HackerRank not the choice
2 of 14 modelsHackerRank 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
Neither was the first choice, one was named
9 of 14 modelsThe answer put something else first and named one of the two as an alternative.Claude Haiku 4.5HackerEarth, TestGorilla alternatives: CodeSignal
Gemini 3.5 FlashCoderPad, Woven alternatives: CodeSignal
Mistral SmallGoodfit alternatives: HackerRank
DeepSeek V4 FlashCodility alternatives: CodeSignal, HackerRank
Llama 4 MaverickGoodfit alternatives: CodeSignal, Coderbyte, HackerRank
Kimi K2Coderbyte alternatives: HackerRank, TestGorilla
GLM 4.7 FlashXCodility, TestGorilla alternatives: CodeSignal, Coderbyte, HackerRank
MiniMax M2.5Codility alternatives: AssessHub, CoderPad, HackerRank
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
HackerRank leads by seven points.
HackerRank12%#4 of 8CodeSignal5%#5 of 8Mid-marketThe figures above
HackerRank leads by two points.
HackerRank17%#1 of 9CodeSignal16%#2 of 9Enterprise
HackerRank leads by thirty-eight points.
HackerRank51%#1 of 8CodeSignal13%#3 of 8What 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 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
Also compared
HackerRank vs CoderPadHackerRank vs CoderbyteHackerRank vs TestGorillaHackerRank vs CodilityHackerRank vs HackerEarthHackerRank vs DevSkillerCodeSignal vs CoderPadCodeSignal vs CoderbyteCodeSignal vs TestGorillaCodeSignal vs CodilityCodeSignal vs HackerEarthCodeSignal vs DevSkillerAll twenty-eight 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.