CodeSignal vs TestDome
Two of fourteen models named CodeSignal first on the direct prompt; zero named TestDome. CodeSignal was named by fourteen of the fourteen models and TestDome by eleven and CodeSignal carries 57 labels and TestDome 16, so the shares are not directly comparable.
Named in three categories this edition.
Named in two categories this edition.
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
CodeSignalFirst choices, of fourteen modelsTestDome
Across every category in the November 2026 Edition, CodeSignal and TestDome were named in the same answer twenty-seven times, of the 194 answers naming CodeSignal and the 57 naming TestDome. In those answers TestDome took the first choice five times and CodeSignal two.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | ||||
| GPT-5.4 mini | | | | | ||
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | | | | |||
| Grok 4.20 | | | | | | |
| 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 TestDome first choice named as an alternative argued againstblank: not namedEach cell is one answer, CodeSignal on the left and TestDome on the right.The direct prompt
CodeSignal first, TestDome not the choice
2 of 14 modelsTestDome was named in the answer but not as the choice, or not at all.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.Neither was named
1 of 14 modelsThe answer made no first choice from these two in this category.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
TestDome6%#5 of 9CodeSignal2%#7 of 9CodeSignal8%#4 of 8TestDome4%#6 of 8CodeSignal11%#4 of 10TestDome2%#– of 10What 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 TestDome
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of five in this category shown.
“reviewers note proctoring can be accidentally left enabled, so teams need to double-check settings before sending assessments” GPT-5.4 mini · negative prompt · soft negative
“specific reviews call it "the worst testing platform" due to delivery issues” Grok 4.20 · negative prompt · soft negative
“For a company with a tight or unpredictable budget, I'd start with TestDome.” GPT-6 Luna · budget prompt · first choice
“such as Coderbyte or TestDome, which offer pay-as-you-go pricing” Llama 4 Maverick · budget prompt · first choice
“Excellent for ultra-low budgets or bursty hiring... lacks some of Coderbyte's AI/advanced screening features” Grok 4.20 · budget prompt · alternative
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.