Codility vs Coderbyte
Seven of fourteen models named Codility first on the direct prompt; one named Coderbyte. Codility was named by fourteen of the fourteen models and Coderbyte by thirteen and Codility carries 58 labels and Coderbyte 40, so the shares are not directly comparable.
Named in four categories this edition.
Named in two 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 technical hiring assessments page.
By framing
CodilityFirst choices, of fourteen modelsCoderbyte
Across every category in the November 2026 Edition, Codility and Coderbyte were named in the same answer ninety-four times, of the 251 answers naming Codility and the 130 naming Coderbyte. In those answers Coderbyte took the first choice twenty-five times and Codility twenty.
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 | | | | | |
Codility Coderbyte first choice named as an alternative argued againstblank: not namedEach cell is one answer, Codility on the left and Coderbyte on the right.The direct prompt
Codility first, Coderbyte an alternative
7 of 14 modelsCoderbyte was named in the answer but not as the choice, or not at all.Coderbyte first, Codility not the choice
1 of 14 modelsCodility was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
5 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
1 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
Coderbyte36%#1 of 9Codility4%#6 of 9Codility21%#2 of 8Coderbyte15%#3 of 8What the models said about Codility
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of six in this category shown.
“Why Avoid the Giants? (HackerRank & Codility) ... often poor choices for *strictly* limited budgets” Qwen 3.7 Flash · budget prompt · hard negative
“While these are industry standards, they carry specific complaints regarding *usability* and *relevance* rather than malice.” Qwen 3.7 Flash · negative prompt · soft negative
“significantly cheaper than enterprise-focused platforms like HackerRank or Codility (which start around $1,200+/year)” Kimi K2 · budget prompt · soft negative
“Codility | Defensible hiring decisions; agentic AI coding | ~$1,200/yr (120 credits) | Strongest proctoring, VS Code env, Claude Code integration” DeepSeek V4 Flash · scale prompt · first choice
“Choose Codility if you need defensible, custom work-sample assessments, strong compliance/auditability and explicit coding-agent support.” Muse Glimmer 30B · comparative prompt · first choice
“For most mid-market B2B companies, Codility offers the best balance of assessment quality, pricing, and defensibility.” MiniMax M2.5 · direct prompt · first choice
What the models said about Coderbyte
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.
“Coderbyte has specific issues regarding transparency and feedback.” GLM 4.7 FlashX · negative prompt · soft negative
“though fewer features for complex B2B use cases” DeepSeek V4 Flash · paraphrase prompt · soft negative
“likely to be one that offers a flexible pricing model, such as Coderbyte or TestDome, which offer pay-as-you-go pricing” Llama 4 Maverick · budget prompt · first choice
“Coderbyte or DevSkiller: Strong on realistic simulations, unlimited usage models, and positive feedback for UX.” Grok 4.20 · negative prompt · first choice
“Coderbyte at $99/month or annual unlimited plan offers the best long-term value and feature set for the price” Kimi K2 · budget prompt · first choice
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.