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Testing
Methodology

Playwright vs pytest

PlaywrightPLPlaywrightvsPYpytest
Playwrightpytest
80%
20%

Leading: Playwright (79.5%)

Statistics

MetricValue
Playwright wins210
pytest wins54
Abstains (no tool)145
Other tool chosen69
Decisive cases264
Playwright win rate (unweighted)79.5%
95% CI74.3% - 84.0%
Playwright win rate (weighted)79.5%

Comments

Playwright

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pytest

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Model range breakdown

Model rangeTierPlaywrightpytestNoneOtherA rate
DeepSeek Flash 3.2–4.1Mid1232880%
DeepSeek Pro 4–4 0813Frontier1618094%
DeepSeek R1Frontier00202n/a
DevstralMid052140%
Gemini Flash 2.5–3.8Small22050100%
Gemini Pro 2.5–3.1 PreviewFrontier13067100%
GLM 5 Turbo–5.3Frontier22050100%
GPT 5.4–6 AstraFrontier18050100%
GPT Coding 5.3 Codex–6.1 SolFrontier1626089%
GPT Mini 5.4 Mini–6 LunaMid14111193%
HaikuSmall061200%
Kimi 2.5–3Frontier110111100%
Llama MaverickFrontier026100%
Llama ScoutSmall051200%
MiMo Pro 2–2.6Frontier6315167%
MiniMax M 2.7–3Frontier25010100%
Mistral SmallMid224750%
Opus 4.6–5.5Frontier20070100%
Qwen CoderMid30143100%
Sonnet 4.6–5.5Frontier10095100%

Per-prompt breakdown

PromptTierPlaywrightpytestNoneOtherA rate
ai-engineering-workflowIntermediate9725222380%
ai-engineering-workflowAdvanced7214242384%
ai-engineering-workflowBeginner4115992373%