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MongoDB vs Amazon Aurora PostgreSQL

MOMongoDBvsAMAmazon Aurora PostgreSQL
MongoDBAmazon Aurora PostgreSQL
35%
65%

Leading: Amazon Aurora PostgreSQL (65.1%)

Statistics

MetricValue
MongoDB wins219
Amazon Aurora PostgreSQL wins409
Abstains (no tool)681
Other tool chosen23412
Decisive cases628
MongoDB win rate (unweighted)34.9%
95% CI31.2% - 38.7%
MongoDB win rate (weighted)34.9%

Comments

MongoDB

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Amazon Aurora PostgreSQL

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Per-model breakdown

ModelTierMongoDBAmazon Aurora PostgreSQLNoneOtherA rate
GPT 5.3 CodexFrontier0229410610%
Llama 4 ScoutSmall1491112111893%
Llama 4 MaverickFrontier694394108062%
GPT 5.5Frontier03342690%
Kimi K2.7 CodeFrontier02232780%
GPT 5.4Frontier02189590%
DeepSeek R1 0528Frontier093712450%
GLM 5.2Frontier0702990%
Gemini 2.5 ProFrontier055312340%
Kimi K2.5Frontier05189420%
Qwen3 Coder NextMid05912740%
Mistral Small 4Mid04412530%
Gemini 2.5 FlashSmall03619230%
Gemini 3.5 FlashSmall0342940%
MiMo V2 ProFrontier03239630%
Devstral 2 2512Mid0215210910%
MiMo V2.5 ProFrontier0242970%
DeepSeek V4 FlashMid1015280100%
DeepSeek V4 ProFrontier0192940%
GPT 5.4 MiniMid011212790%
Claude Haiku 4.5Small0001282n/a
Claude Opus 4.6Frontier0027961n/a
Claude Opus 4.8Frontier000302n/a
Claude Sonnet 4.6Frontier0001296n/a
DeepSeek V3.2Mid0070918n/a
GLM 5 TurboFrontier0034956n/a
MiniMax M2.7Frontier0023960n/a
MiniMax M3Frontier001304n/a

Per-prompt breakdown

PromptTierMongoDBAmazon Aurora PostgreSQLNoneOtherA rate
multi-tenant-crmAdvanced07834540%
social-media-platformAdvanced07554530%
ai-support-agent-platformBeginner4021846995%
fitness-tracking-appAdvanced03624930%
ai-support-agent-platformIntermediate3104500100%
chat-applicationAdvanced03115050%
ai-revenue-ops-copilotAdvanced1017648537%
project-management-toolBeginner2600509100%
ecommerce-storeAdvanced02615100%
url-shortenerAdvanced02605050%
ai-support-agent-platformAdvanced205250080%
ai-revenue-ops-copilotBeginner194049983%
saas-applicationAdvanced418250818%
saas-applicationIntermediate2001514100%
online-learning-platformAdvanced02035140%
restaurant-reservation-systemAdvanced01825170%
real-estate-websiteAdvanced01725130%
chat-applicationBeginner15013503100%
project-management-toolAdvanced01525190%
ai-revenue-ops-copilotIntermediate111650992%
real-estate-websiteBeginner9010517100%
job-boardAdvanced0915220%
social-media-platformIntermediate17051713%
url-shortenerBeginner7012518100%
job-boardIntermediate200535100%
social-media-platformBeginner11053450%
ai-agent-applicationAdvanced0231130%
ai-agent-applicationBeginner101117100%
full-stack-web-appBeginner100118100%
online-learning-platformBeginner1034500100%
blog-platform-cmsAdvanced0115320%
ai-agent-applicationIntermediate001118n/a
blog-platform-cmsBeginner00180356n/a
blog-platform-cmsIntermediate0073464n/a
chat-applicationIntermediate003534n/a
ecommerce-storeIntermediate0086450n/a
ecommerce-storeBeginner00140395n/a
fitness-tracking-appIntermediate000536n/a
fitness-tracking-appBeginner000537n/a
full-stack-web-appAdvanced001118n/a
full-stack-web-appIntermediate000119n/a
job-boardBeginner000537n/a
multi-tenant-crmBeginner0042484n/a
multi-tenant-crmIntermediate002530n/a
online-learning-platformIntermediate0015521n/a
project-management-toolIntermediate001533n/a
real-estate-websiteIntermediate000534n/a
restaurant-reservation-systemBeginner002535n/a
restaurant-reservation-systemIntermediate000536n/a
saas-applicationBeginner000537n/a
url-shortenerIntermediate000536n/a