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Technical hiring assessments · November 2026 Edition

CodeSignal vs TestGorilla

Two of fourteen models named CodeSignal first on the direct prompt; one named TestGorilla. Both were named by all fourteen models and CodeSignal carries 57 labels and TestGorilla 36, so the shares are not directly comparable.

CodeSignal

accepted challenger

Named in three categories this edition.

TestGorilla

accepted challenger

Named in six categories this edition.

First-choice share8%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate19%11%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#7A position in a field of 8; printed, not drawn.
Labels5736A 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.Codility was named alongside these two in twelve of the fourteen direct answers. HackerRank vs CodeSignal · HackerRank vs TestGorilla · Codility vs CodeSignal

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
Direct211 against TestGorilla
Paraphrase102 against CodeSignal · 1 against TestGorilla
Comparative201 against TestGorilla
Budget-constrained101 against CodeSignal
Scale-constrained00
Negative108 against CodeSignal · 1 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 November 2026 Edition, CodeSignal and TestGorilla were named in the same answer ninety-eight times, of the 194 answers naming CodeSignal and the 277 naming TestGorilla. In those answers TestGorilla took the first choice fifteen times and CodeSignal nine.

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 4.20
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
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

2 of 14 modelsTestGorilla 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

TestGorilla first, CodeSignal an alternative

1 of 14 modelsCodeSignal was named in the answer but not as the choice, or not at all.
Claude Haiku 4.5CodeSubmit, TestGorilla alternatives: CodeSignal, Codility, Qualified

Neither was the first choice, one was named

11 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniCodility alternatives: CodeSignal, HackerRank
Gemini 3.5 FlashCoderbyte alternatives: CodeSignal, CoderPad, DevSkiller, TestGorilla
Perplexity SonarHackerRank alternatives: CodeSignal, Coderbyte, Codility, TestGorilla
Grok 4.20HackerRank alternatives: CodeSignal, Codility
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
GPT-6 LunaHackerRank alternatives: CodeSignal, CoderPad
Muse Glimmer 30BCodility alternatives: Canditech, HackerRank, TestGorilla

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 four points.
TestGorilla6%#4 of 9
CodeSignal2%#7 of 9
The full small business standing →
Mid-marketThe figures above
The order flips: CodeSignal leads at mid-market.
CodeSignal8%#4 of 8
TestGorilla2%#7 of 8
The full mid-market standing →
Enterprise
CodeSignal leads by eleven points.
CodeSignal11%#4 of 10
TestGorilla0%#10 of 10
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 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

What the models said about TestGorilla

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

“Why to Be Cautious: While popular for its variety of assessments, users often complain about the ratio of "fluff" to actual coding questions.” Qwen 3.7 Flash · negative prompt · soft negative
“Better suited to teams consolidating general hiring assessments than to teams needing a deep software-engineering workbench.” GPT-6 Luna · comparative prompt · soft negative
“TestGorilla is favored by small businesses, indicating a potential mismatch for larger companies” Muse Glimmer 30B · paraphrase prompt · soft negative
“TestGorilla is designed for both technical and non-technical hiring... specifically aimed at providing an affordable solution for small- and medium-sized enterprises” Claude Haiku 4.5 · direct 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.