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LLM Evals
Methodology

MLflow vs Arize Phoenix

MLMLflowvsArize PhoenixARArize Phoenix
MLflowArize Phoenix
41%
59%

Leading: Arize Phoenix (58.6%)

Statistics

MetricValue
MLflow wins24
Arize Phoenix wins34
Abstains (no tool)194
Other tool chosen3685
Decisive cases58
MLflow win rate (unweighted)41.4%
95% CI29.6% - 54.2%
MLflow win rate (weighted)41.4%

Comments

MLflow

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Arize Phoenix

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Per-model breakdown

ModelTierMLflowArize PhoenixNoneOtherA rate
Llama 4 ScoutSmall2432313989%
Qwen3 Coder NextMid01441850%
GPT 5.4 MiniMid0681930%
MiniMax M2.7Frontier0551130%
Mistral Small 4Mid0531880%
Gemini 3.5 FlashSmall018750%
Claude Haiku 4.5Small004196n/a
Claude Opus 4.6Frontier000126n/a
Claude Opus 4.8Frontier00776n/a
Claude Sonnet 4.6Frontier007203n/a
DeepSeek R1 0528Frontier0010200n/a
DeepSeek V3.2Mid0022101n/a
DeepSeek V4 FlashMid00479n/a
DeepSeek V4 ProFrontier00282n/a
Devstral 2 2512Mid0014158n/a
Gemini 2.5 FlashSmall001120n/a
Gemini 2.5 ProFrontier009199n/a
GLM 5 TurboFrontier0019107n/a
GLM 5.2Frontier00084n/a
GPT 5.3 CodexFrontier000210n/a
GPT 5.4Frontier000126n/a
GPT 5.5Frontier00381n/a
Kimi K2.5Frontier003111n/a
Kimi K2.7 CodeFrontier00182n/a
Llama 4 MaverickFrontier0014181n/a
MiMo V2 ProFrontier008118n/a
MiMo V2.5 ProFrontier00974n/a
MiniMax M3Frontier00678n/a

Per-prompt breakdown

PromptTierMLflowArize PhoenixNoneOtherA rate
ai-revenue-ops-copilotBeginner571150242%
ai-revenue-ops-copilotAdvanced35250638%
ai-support-agent-platformBeginner08754450%
ai-support-agent-platformIntermediate43551057%
ai-revenue-ops-copilotIntermediate25451229%
ai-engineering-workflowIntermediate42112467%
ai-support-agent-platformAdvanced505517100%
ai-engineering-workflowAdvanced13112525%
ai-agent-applicationAdvanced0101300%
ai-agent-applicationBeginner0028110n/a
ai-agent-applicationIntermediate001131n/a
ai-engineering-workflowBeginner006173n/a