HackerRank vs CodeSignal
One of fourteen models named HackerRank first on the direct prompt; zero named CodeSignal. HackerRank was named by fourteen of the fourteen models and CodeSignal by eleven and HackerRank carries 41 labels and CodeSignal 14, so the shares are not directly comparable.
Named in four categories this edition.
Named in three 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 candidate assessment page.
By framing
HackerRankFirst choices, of fourteen modelsCodeSignal
Across every category in the November 2026 Edition, HackerRank and CodeSignal were named in the same answer 173 times, of the 309 answers naming HackerRank and the 194 naming CodeSignal. In those answers CodeSignal took the first choice fifteen times and HackerRank thirty-one.
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 | | | |
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
HackerRank first, CodeSignal not the choice
1 of 14 modelsCodeSignal was named in the answer but not as the choice, or not at all.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.Neither was named
7 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
HackerRank0%#7 of 11CodeSignal0%#– of 11HackerRank2%#5 of 12CodeSignal2%#6 of 12HackerRank2%#8 of 12CodeSignal2%#9 of 12What the models said about HackerRank
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“Many AI hiring models specifically recommend avoiding HackerRank for small businesses” Mistral Small · negative prompt · hard negative
“If you are hiring engineers exclusively: Go with HackerRank for speed/volume or Codility for rigorous project-based verification.” Qwen 3.7 Flash · comparative prompt · first choice
What the models said about CodeSignal
No label in this category carried a quote.
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.