# Codility vs HackerEarth: which do AI models recommend for technical hiring assessm, October 2026

HR AI Recommendation Index, October 2026 Edition, Technical hiring assessments. Three of fourteen models named Codility first on the direct prompt; one named HackerEarth. Page: https://hr-ai-index.com/talent/technical-hiring-assessments/codility-vs-hackerearth/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Codility | 9% | #6 of 9 | 25% | 53 | 14 of 14 |
| HackerEarth | 7% | #7 of 9 | 13% | 15 | 11 of 14 |

## The direct prompt, model by model

- DeepSeek V4 Flash: codility first (first choices: Codility) (alternatives: CodeSignal, HackerRank)
- GLM 4.7 FlashX: codility first (first choices: Codility, TestGorilla) (alternatives: CodeSignal, Coderbyte, HackerRank)
- MiniMax M2.5: codility first (first choices: Codility) (alternatives: AssessHub, CoderPad, HackerRank)
- Claude Haiku 4.5: hackerearth first (first choices: HackerEarth, TestGorilla) (alternatives: CodeSignal)
- GPT-5.4 mini: neither first, one named (first choices: HackerRank) (alternatives: CodeSignal, Codility)
- Grok 4.1 Fast: neither first, one named (first choices: HackerRank) (alternatives: CodeSignal, CoderPad, Coderbyte, Codility)
- Qwen 3.7 Flash: neither first, one named (first choices: CodeSignal) (alternatives: CoderPad, Codility, TestGorilla, Voomer)
- Muse Glimmer 30B: neither first, one named (first choices: CodeSignal, DevSkiller, HackerRank) (alternatives: Codility)
- Gemini 3.5 Flash: neither named (first choices: CoderPad, Woven) (alternatives: CodeSignal)
- Perplexity Sonar: neither named (first choices: CodeSignal) (alternatives: Coderbyte, DevSkiller)
- Mistral Small: neither named (first choices: Goodfit) (alternatives: HackerRank)
- Llama 4 Maverick: neither named (first choices: Goodfit) (alternatives: CodeSignal, Coderbyte, HackerRank)
- Kimi K2: neither named (first choices: Coderbyte) (alternatives: HackerRank, TestGorilla)
- GPT-6 Luna: neither named (first choices: CodeSignal Hire Grow) (alternatives: CoderPad, HackerRank)

## What the models said about Codility

- "Avoid if budget is the main constraint... Codility tends to start higher and is more enterprise-oriented" (GPT-5.4 mini, budget prompt, hard negative)
- "(e.g., HackerRank, Codility, CodeSignal): ... often criticized for not reflecting real-world job tasks" (Mistral Small, negative prompt, hard negative)
- "High negative sentiment (e.g., labeled "hostile candidate experience" in AI model analyses)" (Grok 4.1 Fast, negative prompt, hard negative)
- "### 1. Codility - Best for: Mid-market to enterprise companies needing secure, scalable assessments" (MiniMax M2.5, direct prompt, first choice)
- "Choose HackerRank or Codility if you are an enterprise needing rigorous automated screening" (Gemini 3.5 Flash, comparative prompt, first choice)

## What the models said about HackerEarth

- "Similar to HackerRank in being low-cost, but with less-modern technology." (Llama 4 Maverick, negative prompt, soft negative)
- "Weaker auto-cheat detection per tests." (Grok 4.1 Fast, comparative prompt, soft negative)
- "For mid-market B2B companies specifically, HackerEarth and TestGorilla stand out for their balance of features, pricing accessibility, and ATS integration compatibility" (Claude Haiku 4.5, direct prompt, first choice)
- "The best coding assessment platform for a company with a limited budget is HackerEarth, which offers coding tests and live technical interviews on a modest budget." (Llama 4 Maverick, budget prompt, first choice)
- "HackerEarth or TestGorilla would be the best starting points due to their affordability" (MiniMax M2.5, budget prompt, first choice)

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. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.