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LLM Coding Agents
Methodology

Aider vs Cline

AiderAIAidervsClineCLCline
AiderCline
67%
33%

Leading: Aider (66.7%)

Insufficient data
This matchup has 3 decisive cases (minimum 30 required for publication).

Statistics

MetricValue
Aider wins2
Cline wins1
Abstains (no tool)348
Other tool chosen873
Decisive cases3
Aider win rate (unweighted)66.7%
95% CI20.8% - 93.9%
Aider win rate (weighted)66.7%

Comments

Aider

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Cline

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Per-model breakdown

ModelTierAiderClineNoneOtherA rate
Gemini 2.5 ProFrontier20955100%
DeepSeek V3.2Mid0125400%
Claude Haiku 4.5Small003230n/a
Claude Opus 4.6Frontier00858n/a
Claude Sonnet 4.6Frontier002838n/a
DeepSeek R1 0528Frontier002640n/a
Devstral 2 2512Mid002538n/a
Gemini 2.5 FlashSmall003135n/a
GLM 5 TurboFrontier00066n/a
GPT 5.3 CodexFrontier001353n/a
GPT 5.4Frontier001350n/a
GPT 5.4 MiniMid00462n/a
Kimi K2.5Frontier002435n/a
Llama 4 MaverickFrontier002739n/a
Llama 4 ScoutSmall002144n/a
MiMo V2 ProFrontier001551n/a
MiniMax M2.7Frontier001153n/a
Mistral Small 4Mid002829n/a
Qwen3 Coder NextMid00857n/a

Per-prompt breakdown

PromptTierAiderClineNoneOtherA rate
ai-revenue-ops-copilotAdvanced202190100%
ai-revenue-ops-copilotIntermediate0111990%
ai-revenue-ops-copilotBeginner0011295n/a
ai-support-agent-platformBeginner0013672n/a
ai-support-agent-platformIntermediate0097111n/a
ai-support-agent-platformAdvanced000206n/a