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LLM Evals
Methodology

Promptfoo vs Weights & Biases

PromptfooPRPromptfoovsWeights & BiasesWEWeights & Biases
PromptfooWeights & Biases
44%
56%

Leading: Weights & Biases (56.1%)

Statistics

MetricValue
Promptfoo wins90
Weights & Biases wins115
Abstains (no tool)183
Other tool chosen3434
Decisive cases205
Promptfoo win rate (unweighted)43.9%
95% CI37.3% - 50.7%
Promptfoo win rate (weighted)43.9%

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Promptfoo

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Weights & Biases

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Per-model breakdown

ModelTierPromptfooWeights & BiasesNoneOtherA rate
Gemini 2.5 FlashSmall0411850%
Devstral 2 2512Mid034141290%
Llama 4 ScoutSmall018201470%
MiMo V2 ProFrontier610810838%
GLM 5.2Frontier140058100%
Gemini 3.5 FlashSmall110754100%
Kimi K2.7 CodeFrontier110159100%
Mistral Small 4Mid1003176100%
GPT 5.4 MiniMid91818390%
DeepSeek R1 0528Frontier01091850%
MiMo V2.5 ProFrontier80855100%
GLM 5 TurboFrontier5019108100%
DeepSeek V4 FlashMid40463100%
DeepSeek V4 ProFrontier40266100%
MiniMax M3Frontier30564100%
Kimi K2.5Frontier203114100%
Claude Opus 4.8Frontier10664100%
GPT 5.3 CodexFrontier100203100%
GPT 5.5Frontier10269100%
Gemini 2.5 ProFrontier01111900%
Claude Haiku 4.5Small003191n/a
Claude Opus 4.6Frontier000132n/a
Claude Sonnet 4.6Frontier006198n/a
DeepSeek V3.2Mid0022106n/a
GPT 5.4Frontier000132n/a
Llama 4 MaverickFrontier0012177n/a
MiniMax M2.7Frontier005124n/a
Qwen3 Coder NextMid004194n/a

Per-prompt breakdown

PromptTierPromptfooWeights & BiasesNoneOtherA rate
ai-revenue-ops-copilotAdvanced735346917%
ai-revenue-ops-copilotIntermediate1115449242%
ai-support-agent-platformAdvanced519549821%
ai-engineering-workflowAdvanced16519076%
ai-revenue-ops-copilotBeginner5141149626%
ai-engineering-workflowBeginner1805345100%
ai-support-agent-platformIntermediate513649828%
ai-support-agent-platformBeginner4127343825%
ai-engineering-workflowIntermediate13219687%
ai-agent-applicationIntermediate301109100%
ai-agent-applicationBeginner202592100%
ai-agent-applicationAdvanced100111100%