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CI/CD
Methodology

CircleCI vs GitHub Actions

CircleCICICircleCIvsGitHub ActionsGIGitHub Actions
CircleCIGitHub Actions
5%
95%

Leading: GitHub Actions (94.7%)

Statistics

MetricValue
CircleCI wins3
GitHub Actions wins54
Abstains (no tool)1
Other tool chosen0
Decisive cases57
CircleCI win rate (unweighted)5.3%
95% CI1.8% - 14.4%
CircleCI win rate (weighted)5.3%

Comments

CircleCI

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GitHub Actions

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Per-model breakdown

ModelTierCircleCIGitHub ActionsNoneOtherA rate
Llama 4 ScoutSmall210067%
Claude Haiku 4.5Small03000%
Claude Opus 4.8Frontier03000%
Claude Sonnet 4.6Frontier03000%
DeepSeek R1 0528Frontier03000%
DeepSeek V4 ProFrontier03000%
Devstral 2 2512Mid03000%
Gemini 2.5 ProFrontier03000%
Gemini 3.5 FlashSmall03000%
GLM 5.2Frontier03000%
GPT 5.3 CodexFrontier03000%
GPT 5.4 MiniMid03000%
GPT 5.5Frontier03000%
Kimi K2.7 CodeFrontier03000%
MiMo V2.5 ProFrontier03000%
MiniMax M3Frontier03000%
Qwen3 Coder NextMid03000%
Llama 4 MaverickFrontier111050%
DeepSeek V4 FlashMid02000%
Mistral Small 4Mid02000%

Per-prompt breakdown

PromptTierCircleCIGitHub ActionsNoneOtherA rate
ai-engineering-workflowIntermediate2180010%
ai-engineering-workflowBeginner019100%
ai-engineering-workflowAdvanced117006%