Codility vs Harver
Two of fourteen models named Codility first on the direct prompt; one named Harver. Codility was named by thirteen of the fourteen models and Harver by six and Codility carries 34 labels and Harver 11, so the shares are not directly comparable.
Named in four categories this edition.
Named in three 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 candidate assessment page.
By framing
CodilityFirst choices, of fourteen modelsHarver
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 Harver first choice named as an alternative argued againstblank: not namedEach cell is one answer, Codility on the left and Harver on the right.The direct prompt
Codility first, Harver not the choice
2 of 14 modelsHarver was named in the answer but not as the choice, or not at all.Harver 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
6 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
5 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
What the models said about Codility
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“these are often viewed unfavorably compared to competitors like HackerRank or HackerEarth” Qwen 3.7 Flash · negative prompt · hard negative
“positioned as best for repeatable, defensible technical hiring decisions... Codility scored highest on published criteria” Muse Glimmer 30B · comparative prompt · first choice
What the models said about Harver
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of four in this category shown.
“heavy reliance on unvalidated or "black-box" AI/personality assessments (e.g., certain features in Harver, Paradox, or generic AI tools)” Grok 4.20 · negative prompt · soft negative
“Criteria Corp, Harver, and Plum bundle personality, cognitive, and behavioral assessments in one platform” Claude Haiku 4.5 · direct prompt · first choice
“include Criteria Corp, TestGorilla, Harver, and HireVue” DeepSeek V4 Flash · scale prompt · alternative
“Solid for high-volume or frontline hiring with good customer support” Grok 4.20 · direct prompt · alternative
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.