# Technical hiring assessments for small business 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 a small B2B company. Page: https://hr-ai-index.com/talent/technical-hiring-assessments/smb/

**Standing:** Coderbyte leads with 22% of first choices; verdict contested. 59 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Coderbyte | 22% | 17% | 41 |
| 2 | CoderPad | 17% | 4% | 46 |
| 3 | TestGorilla | 14% | 25% | 48 |
| 4 | HackerRank | 12% | 46% | 56 |
| 5 | CodeSignal | 5% | 47% | 38 |
| 6 | TestDome | 3% | 5% | 19 |
| 7 | Codility | 3% | 54% | 46 |
| 8 | Adaface | 2% | 17% | 12 |

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

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

## Sources the answers cite

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

- hackerrank.com: 42 answers, 83 citations
- selectsoftwarereviews.com: 38 answers, 43 citations
- testgorilla.com: 28 answers, 55 citations
- g2.com: 27 answers, 51 citations
- codesignal.com: 25 answers, 34 citations
- testtrick.com: 24 answers, 31 citations
- codesubmit.io: 23 answers, 29 citations
- adaface.com: 22 answers, 31 citations

Pages named in the most answers:

- https://selectsoftwarereviews.com/buyer-guide/online-coding-interview-tools (31 answers)
- https://hackerrank.com/writing/best-developer-assessment-platforms-for-startups-hiring-remotely-october-2025 (25 answers)
- https://goodfit.so/guides/best-coding-assessment-platforms (20 answers)
- https://index.dev/blog/best-developer-assessment-tools (20 answers)
- https://getyogen.com/resources/platform-comparisons (19 answers)
- https://hackerrank.com/writing/best-coding-assessment-tools (18 answers)
- https://adaface.com/coding-assessment-tools (16 answers)
- https://codesubmit.io/blog/coding-assessment-tools (16 answers)
- https://testgorilla.com/blog/coding-assessment-tools (16 answers)
- https://testtrick.com/blogs/best-technical-assessment-tools (14 answers)

## Warned against

- Codility: 25 of 46 labels negative. "candidate experience is rigid and clunky ... Starting price is around $500/month, which is steep for small businesses" (DeepSeek V4 Flash, negative prompt)
- HackerRank: 26 of 56 labels negative. "Many AI hiring models specifically flag these as “generic coding challenge platforms” to avoid for small businesses" (GLM 4.7 FlashX, negative prompt)
- TestGorilla: 12 of 48 labels negative. "AI hiring recommendations explicitly list TestGorilla as a platform to avoid for small businesses with fluctuating hiring needs" (GLM 4.7 FlashX, negative prompt)
- CodeSignal: 18 of 38 labels negative. "watch out for deceptive "monthly" pricing. Platforms like *TestGorilla* and *CodeSignal* often advertise low monthly rates ... but these plans frequently require a full annual payment upfront" (Gemini 3.5 Flash, budget prompt)

## Movement since September 2026

Floor: 13 points of share, measured on the calibration repeat.
New leader: CoderPad (26%) to Coderbyte (23%). Margin 8 points, within noise.

- Coderbyte: 9% to 23%, +14. Cleared the floor by 1 point · rank 3 → 1 of 60.
- CoderPad: 26% to 15%, −10. Inside the floor by 3 points · rank 1 → 2 of 60.
- TestDome: 9% to 2%, −7. Inside the floor by 6 points · rank 4 → 8 of 60.
- TestGorilla: 21% to 15%, −6. Inside the floor by 7 points · rank 2 → 3 of 60.
- HackerRank: 9% to 13%, +4. Inside the floor by 9 points · rank 5 → 4 of 60.
- Codility: 0% to 4%, +4. Inside the floor by 9 points · rank 59 → 7 of 60.
- CodeSignal: 7% to 6%, −1. Inside the floor by 12 points · rank 6 → 5 of 60.
- Adaface: 2% to 2%, ±0. Inside the floor by 13 points · rank 8 → 9 of 60.

## 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.