# Technical hiring assessments for enterprise buyers: what AI models recommend, October 2026

HR AI Recommendation Index, October 2026 Edition. Asked as "coding assessment platform" and as "technical interview tool", six framings each, to fourteen models with search on, on behalf of an enterprise B2B company. Page: https://hr-ai-index.com/talent/technical-hiring-assessments/enterprise/

**Standing:** HackerRank leads with 51% of first choices; verdict clear leader. 45 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | HackerRank | 51% | 18% | 72 |
| 2 | Coderbyte | 18% | 0% | 14 |
| 3 | CodeSignal | 13% | 17% | 63 |
| 4 | Codility | 11% | 20% | 59 |
| 5 | HackerEarth | 2% | 13% | 15 |
| 6 | CoderPad | 0% | 8% | 38 |
| 7 | TestGorilla | 0% | 33% | 18 |
| 8 | Mercer | Mettl | 0% | 27% | 11 |

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: Codility, HackerRank; alternatives iMocha
- GPT-5.4 mini: HackerRank; alternatives CodeSignal, Codility
- Gemini 3.5 Flash: CodeSignal; alternatives CoderPad, Codility, HackerRank
- Perplexity Sonar: HackerRank; alternatives CoderPad, Codility
- Grok 4.1 Fast: Codility, HackerRank; alternatives CodeSignal, CoderPad
- Mistral Small: HackerRank; alternatives CodeSignal, Codility
- DeepSeek V4 Flash: HackerRank; alternatives CodeSignal, CoderPad, Codility
- Llama 4 Maverick: no first choice
- Qwen 3.7 Flash: HackerEarth; alternatives CoderPad, HackerRank
- Kimi K2: Codility, HackerRank; alternatives CodeSignal, CoderPad
- GLM 4.7 FlashX: HackerRank; alternatives CodeSignal, CoderPad, Codility
- MiniMax M2.5: HackerRank; alternatives CoderPad, Codility, HackerEarth
- GPT-6 Luna: HackerRank; alternatives CodeSignal, CoderPad, Codility
- Muse Glimmer 30B: HackerRank; alternatives Codility

## Sources the answers cite

76 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- hackerrank.com: 55 answers, 141 citations
- codility.com: 44 answers, 62 citations
- codesignal.com: 36 answers, 50 citations
- augmentcode.com: 29 answers, 35 citations
- selectsoftwarereviews.com: 26 answers, 30 citations
- coderpad.io: 24 answers, 29 citations
- resources.trueability.com: 20 answers, 30 citations
- testlify.com: 20 answers, 24 citations

Pages named in the most answers:

- https://codility.com/how-to-choose-technical-assessment-platform (35 answers)
- https://hackerrank.com/writing/best-coding-assessment-tools (34 answers)
- https://augmentcode.com/tools/best-coding-assessment-tools-enterprise (28 answers)
- https://selectsoftwarereviews.com/buyer-guide/online-coding-interview-tools (25 answers)
- https://codesignal.com/pricing (16 answers)
- https://guideflow.com/blog/technical-skills-screening-software (16 answers)
- https://goodfit.so/guides/best-coding-assessment-platforms (15 answers)
- https://hackerrank.com/writing/codility-vs-hackerrank-vs-codesignal-2025-enterprise-comparison (15 answers)
- https://index.dev/blog/best-developer-assessment-tools (12 answers)
- https://coderpad.io/blog/announcements/best-technical-assessment-software-for-hr-teams-in-2026 (11 answers)

## Warned against

- HackerRank: 13 of 72 labels negative. "Platforms to Avoid for Predictable Costs | HackerRank | Per-candidate attempt limits ... overage fees" (Kimi K2, budget prompt)
- CodeSignal: 11 of 63 labels negative. "Platforms to Avoid for Predictable Costs | CodeSignal | Credit-based pricing with overage fees" (Kimi K2, budget prompt)
- Codility: 12 of 59 labels negative. "Platforms to Avoid for Predictable Costs | Codility | Credit-based system with monthly caps" (Kimi K2, budget prompt)
- HireVue: 5 of 7 labels negative. ""HireVue's AI hiring tools have faced active litigation for age, disability, and accen" ... enterprise teams are moving away from platforms that rely on inferred AI scoring" (Muse Glimmer 30B, negative prompt)

## Movement since September 2026

Floor: 13 points of share, measured on the calibration repeat.
Same leader: HackerRank at 49%.

- CoderPad: 9% to 0%, −9. Inside the floor by 4 points · rank 4 → 8 of 41.
- HackerRank: 42% to 49%, +7. Inside the floor by 6 points · rank 1 of 41, unchanged.
- Coderbyte: 9% to 15%, +6. Inside the floor by 7 points · rank 5 → 3 of 41.
- Codility: 19% to 13%, −6. Inside the floor by 7 points · rank 2 → 4 of 41.
- CodeSignal: 12% to 15%, +4. Inside the floor by 9 points · rank 3 → 2 of 41.
- HackerEarth: 2% to 3%, ±0. Inside the floor by 13 points · rank 6 → 5 of 41.
- TestGorilla: 0% to 0%, ±0. Inside the floor by 13 points · rank 13 → 10 of 41.
- Mercer | Mettl: 0% to 0%, ±0. Inside the floor by 13 points · rank 10 → 18 of 41.

## Record

- Method: https://hr-ai-index.com/methodology/
- Raw judge labels and full responses: https://hr-ai-index.com/data/
- License: CC BY 4.0. Cite as HR AI Recommendation Index, October 2026 Edition, hr-ai-index.com.