# HackerRank vs Coderbyte: 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 HackerRank first on the direct prompt; one named Coderbyte. Page: https://hr-ai-index.com/talent/technical-hiring-assessments/hackerrank-vs-coderbyte/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| HackerRank | 17% | #1 of 9 | 22% | 64 | 14 of 14 |
| Coderbyte | 10% | #4 of 9 | 9% | 22 | 12 of 14 |

## The direct prompt, model by model

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

## What the models said about HackerRank

- "LeetCode-style algorithm challenge platforms (e.g., HackerRank, Codility, CodeSignal): While widely used, these are often criticized for not reflecting real-world job tasks" (Mistral Small, negative prompt, hard negative)
- "HackerRank – Low Trustpilot score, no refund policy, no debugger, unreliable AI scoring." (GLM 4.7 FlashX, negative prompt, hard negative)
- "Avoid pricier ones like Codility/HackerRank ($150\u2013$249+/mo) unless scaling up." (Grok 4.1 Fast, budget prompt, hard negative)
- "used by 40% of Fortune 100 companies and is known for coding challenges, real-world project assessments... making it unmatched for engineering hiring" (Claude Haiku 4.5, comparative prompt, first choice)
- "Choose HackerRank or Codility if you are an enterprise needing rigorous automated screening with ironclad proctoring" (Gemini 3.5 Flash, comparative prompt, first choice)
- "HackerRank if you are a large company hiring hundreds of developers and need a standardized process." (GLM 4.7 FlashX, comparative prompt, first choice)

## What the models said about Coderbyte

- "Frequently called out as one of the worst by candidates due to bugs ... "riddled with bugs"" (Grok 4.1 Fast, negative prompt, hard negative)
- "Some platforms (like Coderbyte) have cheap base prices but charge add-ons for proctoring" (DeepSeek V4 Flash, budget prompt, soft negative)
- "Best for Regular Hiring: Coderbyte ... unlimited plan offers the best value." (Kimi K2, budget prompt, first choice)
- "For a small company watching cash flow, I'd start with Coderbyte's monthly plan." (GPT-6 Luna, budget prompt, first choice)
- "Coderbyte stands out as one of the best coding assessment platforms" (Grok 4.1 Fast, 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.