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LLM Evals
Methodology

Promptfoo vs Weights & Biases

PromptfooPRPromptfoovsWeights & BiasesWEWeights & Biases
PromptfooWeights & Biases
47%
53%

Leading: Weights & Biases (53.3%)

Statistics

MetricValue
Promptfoo wins98
Weights & Biases wins112
Abstains (no tool)194
Other tool chosen3533
Decisive cases210
Promptfoo win rate (unweighted)46.7%
95% CI40.0% - 53.4%
Promptfoo win rate (weighted)46.7%

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Promptfoo

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Weights & Biases

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Per-model breakdown

ModelTierPromptfooWeights & BiasesNoneOtherA rate
Gemini 2.5 FlashSmall0391810%
Devstral 2 2512Mid033141250%
Llama 4 ScoutSmall020231460%
GLM 5.2Frontier160068100%
MiMo V2 ProFrontier69810340%
Gemini 3.5 FlashSmall130863100%
Kimi K2.7 CodeFrontier130169100%
Mistral Small 4Mid1003183100%
GPT 5.4 MiniMid91818990%
MiMo V2.5 ProFrontier90965100%
DeepSeek R1 0528Frontier09101910%
DeepSeek V4 FlashMid50474100%
GLM 5 TurboFrontier5019102100%
DeepSeek V4 ProFrontier40278100%
MiniMax M3Frontier30675100%
Kimi K2.5Frontier203109100%
Claude Opus 4.8Frontier10775100%
GPT 5.3 CodexFrontier100209100%
GPT 5.5Frontier10380100%
Gemini 2.5 ProFrontier0191980%
Claude Haiku 4.5Small004196n/a
Claude Opus 4.6Frontier000126n/a
Claude Sonnet 4.6Frontier007203n/a
DeepSeek V3.2Mid0022101n/a
GPT 5.4Frontier000126n/a
Llama 4 MaverickFrontier0014181n/a
MiniMax M2.7Frontier005118n/a
Qwen3 Coder NextMid004199n/a

Per-prompt breakdown

PromptTierPromptfooWeights & BiasesNoneOtherA rate
ai-revenue-ops-copilotAdvanced733247418%
ai-revenue-ops-copilotIntermediate1115449342%
ai-support-agent-platformAdvanced618549825%
ai-engineering-workflowAdvanced175110777%
ai-engineering-workflowBeginner2006153100%
ai-support-agent-platformIntermediate713549735%
ai-revenue-ops-copilotBeginner5131149628%
ai-engineering-workflowIntermediate143111382%
ai-support-agent-platformBeginner5127543629%
ai-agent-applicationIntermediate301128100%
ai-agent-applicationBeginner2028108100%
ai-agent-applicationAdvanced100130100%