Testing

Cypress vs Vitest

CypressVitest

45%

55%

Leading: Vitest (54.5%)

Insufficient data

This matchup has 22 decisive cases (minimum 30 required for publication).

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Model range	Tier	Cypress	Vitest	None	Other	A rate
DeepSeek Flash 3.2–4.1	Mid	0	7	2	16	0%
DeepSeek Pro 4–4 0813	Frontier	0	0	8	17	n/a
DeepSeek R1	Frontier	0	0	20	2	n/a
Devstral	Mid	5	0	2	14	100%
Gemini Flash 2.5–3.8	Small	0	0	5	22	n/a
Gemini Pro 2.5–3.1 Preview	Frontier	0	0	6	20	n/a
GLM 5 Turbo–5.3	Frontier	0	0	5	22	n/a
GPT 5.4–6 Astra	Frontier	0	0	5	18	n/a
GPT Coding 5.3 Codex–6.1 Sol	Frontier	0	0	6	18	n/a
GPT Mini 5.4 Mini–6 Luna	Mid	0	0	11	16	n/a
Haiku	Small	0	0	12	6	n/a
Kimi 2.5–3	Frontier	0	0	11	12	n/a
Llama Maverick	Frontier	0	0	1	26	n/a
Llama Scout	Small	5	0	1	20	100%
MiMo Pro 2–2.6	Frontier	0	0	15	10	n/a
MiniMax M 2.7–3	Frontier	0	0	1	25	n/a
Mistral Small	Mid	0	0	4	11	n/a
Opus 4.6–5.5	Frontier	0	0	7	20	n/a
Qwen Coder	Mid	0	0	14	6	n/a
Sonnet 4.6–5.5	Frontier	0	5	9	10	0%

Prompt	Tier	Cypress	Vitest	None	Other	A rate
ai-engineering-workflow	Intermediate	6	9	22	130	40%
ai-engineering-workflow	Beginner	1	3	99	75	25%
ai-engineering-workflow	Advanced	3	0	24	106	100%