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MongoDB vs Amazon Aurora PostgreSQL

MOMongoDBvsAMAmazon Aurora PostgreSQL
MongoDBAmazon Aurora PostgreSQL
34%
66%

Leading: Amazon Aurora PostgreSQL (65.8%)

Statistics

MetricValue
MongoDB wins219
Amazon Aurora PostgreSQL wins422
Abstains (no tool)668
Other tool chosen23528
Decisive cases641
MongoDB win rate (unweighted)34.2%
95% CI30.6% - 37.9%
MongoDB win rate (weighted)34.2%

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MongoDB

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Amazon Aurora PostgreSQL

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Per-model breakdown

ModelTierMongoDBAmazon Aurora PostgreSQLNoneOtherA rate
GPT 5.3 CodexFrontier0232410640%
Llama 4 ScoutSmall1491212112393%
Llama 4 MaverickFrontier694294108862%
GPT 5.5Frontier03953130%
Kimi K2.7 CodeFrontier02453250%
GPT 5.4Frontier02179150%
DeepSeek R1 0528Frontier093712510%
GLM 5.2Frontier0703500%
Qwen3 Coder NextMid06912790%
Gemini 2.5 ProFrontier055212410%
Kimi K2.5Frontier05169020%
Gemini 3.5 FlashSmall0453430%
Mistral Small 4Mid04512590%
Gemini 2.5 FlashSmall03588810%
MiMo V2 ProFrontier03239180%
Devstral 2 2512Mid0214510530%
MiMo V2.5 ProFrontier0243470%
DeepSeek V4 FlashMid1016330100%
DeepSeek V4 ProFrontier01103440%
GPT 5.4 MiniMid011212850%
Claude Haiku 4.5Small0001288n/a
Claude Opus 4.6Frontier0026917n/a
Claude Opus 4.8Frontier000351n/a
Claude Sonnet 4.6Frontier0001302n/a
DeepSeek V3.2Mid0068875n/a
GLM 5 TurboFrontier0032913n/a
MiniMax M2.7Frontier0022916n/a
MiniMax M3Frontier001355n/a

Per-prompt breakdown

PromptTierMongoDBAmazon Aurora PostgreSQLNoneOtherA rate
multi-tenant-crmAdvanced07934530%
social-media-platformAdvanced07944500%
ai-support-agent-platformBeginner4021946895%
fitness-tracking-appAdvanced03824900%
ai-support-agent-platformIntermediate3003502100%
chat-applicationAdvanced03015060%
project-management-toolBeginner2800507100%
ecommerce-storeAdvanced02815080%
url-shortenerAdvanced02705030%
ai-support-agent-platformAdvanced205249980%
ai-revenue-ops-copilotAdvanced916549036%
ai-revenue-ops-copilotBeginner194049983%
saas-applicationAdvanced319250814%
online-learning-platformAdvanced02235120%
saas-applicationIntermediate2001514100%
restaurant-reservation-systemAdvanced01825170%
real-estate-websiteAdvanced01725130%
chat-applicationBeginner15013503100%
project-management-toolAdvanced01525190%
ai-revenue-ops-copilotIntermediate121650892%
job-boardAdvanced01015210%
social-media-platformIntermediate18051711%
real-estate-websiteBeginner809519100%
url-shortenerBeginner7013517100%
job-boardIntermediate200535100%
social-media-platformBeginner11053450%
ai-agent-applicationAdvanced0241310%
ai-agent-applicationBeginner102135100%
full-stack-web-appBeginner100137100%
online-learning-platformIntermediate1014521100%
online-learning-platformBeginner1033501100%
blog-platform-cmsAdvanced0115320%
ai-agent-applicationIntermediate001137n/a
blog-platform-cmsBeginner00179357n/a
blog-platform-cmsIntermediate0072465n/a
chat-applicationIntermediate002535n/a
ecommerce-storeIntermediate0083453n/a
ecommerce-storeBeginner00136399n/a
fitness-tracking-appIntermediate000536n/a
fitness-tracking-appBeginner000537n/a
full-stack-web-appAdvanced001137n/a
full-stack-web-appIntermediate000138n/a
job-boardBeginner000537n/a
multi-tenant-crmBeginner0041486n/a
multi-tenant-crmIntermediate002531n/a
project-management-toolIntermediate000533n/a
real-estate-websiteIntermediate000534n/a
restaurant-reservation-systemBeginner002535n/a
restaurant-reservation-systemIntermediate001535n/a
saas-applicationBeginner000537n/a
url-shortenerIntermediate000537n/a