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Technical hiring assessments · October 2026 Edition

CodeSignal vs TestGorilla

Three of fourteen models named CodeSignal first on the direct prompt; two named TestGorilla. CodeSignal was named by fourteen of the fourteen models and TestGorilla by thirteen and CodeSignal carries 58 labels and TestGorilla 28, so the shares are not directly comparable.

CodeSignal

accepted challenger

Named in four categories this edition.

TestGorilla

criticized challenger

Named in four categories this edition.

First-choice share16%10%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate17%32%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#5A position in a field of 9; printed, not drawn.
Labels5828A 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 TestGorilla · 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 modelsTestGorilla
Direct32
Paraphrase40
Comparative113 against TestGorilla
Budget-constrained142 against CodeSignal · 2 against TestGorilla
Scale-constrained10
Negative008 against CodeSignal · 4 against TestGorilla
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 TestGorilla were named in the same answer eighty-four times, of the 186 answers naming CodeSignal and the 265 naming TestGorilla. In those answers TestGorilla took the first choice twenty-two times and CodeSignal eleven.

Every model, every framing

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

The direct prompt

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

CodeSignal first, TestGorilla an alternative

3 of 14 modelsTestGorilla 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

TestGorilla first, CodeSignal an alternative

2 of 14 modelsCodeSignal was named in the answer but not as the choice, or not at all.
Claude Haiku 4.5HackerEarth, TestGorilla alternatives: CodeSignal
GLM 4.7 FlashXCodility, TestGorilla alternatives: CodeSignal, Coderbyte, HackerRank

Neither was the first choice, one was named

6 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniHackerRank alternatives: CodeSignal, Codility
Gemini 3.5 FlashCoderPad, Woven alternatives: CodeSignal
Grok 4.1 FastHackerRank alternatives: CodeSignal, CoderPad, Coderbyte, Codility
DeepSeek V4 FlashCodility alternatives: CodeSignal, HackerRank
Llama 4 MaverickGoodfit alternatives: CodeSignal, Coderbyte, HackerRank
Kimi K2Coderbyte alternatives: HackerRank, TestGorilla

Neither was named

3 of 14 modelsThe answer made no first choice from these two in this category.
Mistral SmallGoodfit alternatives: 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
TestGorilla leads by eight points.
TestGorilla14%#3 of 8
CodeSignal5%#5 of 8
The full small business standing →
Mid-marketThe figures above
The order flips: CodeSignal leads at mid-market.
CodeSignal16%#2 of 9
TestGorilla10%#5 of 9
The full mid-market standing →
Enterprise
CodeSignal leads by thirteen points.
CodeSignal13%#3 of 8
TestGorilla0%#7 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 TestGorilla

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

“TestGorilla-style general testing platforms when your need is deep technical screening, because they are broader assessment suites rather than specialized developer tools.” Perplexity Sonar · negative prompt · soft negative
“HackerEarth and TestGorilla stand out for their balance of features, pricing accessibility, and ATS integration compatibility without requiring full enterprise implementations.” Claude Haiku 4.5 · direct prompt · first choice
“If you need zero upfront cost: start with TestGorilla’s free plan or LeetCode’s free problem bank for initial screening” Muse Glimmer 30B · budget 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.