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CI/CD
Methodology

GitHub Actions vs CircleCI

GitHub ActionsGIGitHub ActionsvsCircleCICICircleCI
GitHub ActionsCircleCI
95%
5%

Leading: GitHub Actions (95.0%)

Statistics

MetricValue
GitHub Actions wins494
CircleCI wins26
Abstains (no tool)2
Other tool chosen0
Decisive cases520
GitHub Actions win rate (unweighted)95.0%
95% CI92.8% - 96.6%
GitHub Actions win rate (weighted)95.0%

Comments

GitHub Actions

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CircleCI

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Model range breakdown

Model rangeTierGitHub ActionsCircleCINoneOtherA rate
DeepSeek Flash 3.2–4.1Mid26000100%
DeepSeek Pro 4–4 0813Frontier26000100%
DeepSeek R1Frontier26010100%
DevstralMid21000100%
Gemini Flash 2.5–3.8Small27000100%
Gemini Pro 2.5–3.1 PreviewFrontier27000100%
GLM 5 Turbo–5.3Frontier27000100%
GPT 5.4–6 AstraFrontier26000100%
GPT Coding 5.3 Codex–6.1 SolFrontier27000100%
GPT Mini 5.4 Mini–6 LunaMid27000100%
HaikuSmall26000100%
Kimi 2.5–3Frontier27000100%
Llama MaverickFrontier11131046%
Llama ScoutSmall14130052%
MiMo Pro 2–2.6Frontier27000100%
MiniMax M 2.7–3Frontier26000100%
Mistral SmallMid24000100%
Opus 4.6–5.5Frontier27000100%
Qwen CoderMid25000100%
Sonnet 4.6–5.5Frontier27000100%

Per-prompt breakdown

PromptTierGitHub ActionsCircleCINoneOtherA rate
ai-engineering-workflowIntermediate168100094%
ai-engineering-workflowBeginner166111094%
ai-engineering-workflowAdvanced16051097%