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API Framework
Methodology

Merge vs tRPC

MEMergevstRPCTRtRPC
MergetRPC
45%
55%

Leading: tRPC (54.7%)

Statistics

MetricValue
Merge wins185
tRPC wins223
Abstains (no tool)569
Other tool chosen3639
Decisive cases408
Merge win rate (unweighted)45.3%
95% CI40.6% - 50.2%
Merge win rate (weighted)45.3%

Comments

Merge

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tRPC

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Per-model breakdown

ModelTierMergetRPCNoneOtherA rate
Kimi K2.5Frontier46373312055%
Claude Sonnet 4.6Frontier2247517732%
Gemini 2.5 ProFrontier27191618859%
Claude Opus 4.6Frontier040112010%
GPT 5.4 MiniMid230121796%
GLM 5 TurboFrontier2561417981%
GPT 5.4Frontier2092119769%
GPT 5.3 CodexFrontier2609215100%
MiniMax M2.7Frontier123271834%
MiMo V2 ProFrontier14026211100%
DeepSeek V3.2Mid07272110%
Claude Haiku 4.5Small04152170%
DeepSeek R1 0528Frontier1054196100%
Devstral 2 2512Mid1037205100%
Llama 4 ScoutSmall01112150%
Gemini 2.5 FlashSmall0035212n/a
Llama 4 MaverickFrontier004247n/a
Mistral Small 4Mid006223n/a
Qwen3 Coder NextMid0079163n/a

Per-prompt breakdown

PromptTierMergetRPCNoneOtherA rate
ai-revenue-ops-copilotBeginner97024240100%
multi-tenant-crmBeginner0901071900%
multi-tenant-crmIntermediate167742391%
ai-revenue-ops-copilotIntermediate56072244100%
url-shortenerIntermediate032652890%
ai-revenue-ops-copilotAdvanced31068275100%
url-shortenerBeginner027882750%
weather-dashboardAdvanced0343770%
multi-tenant-crmAdvanced02303620%
url-shortenerAdvanced02363530%
weather-dashboardBeginner000399n/a
weather-dashboardIntermediate001396n/a