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LLM Observability
Methodology

Helicone vs Weights & Biases

HeliconeHEHeliconevsWEWeights & Biases
HeliconeWeights & Biases
49%
51%

Leading: Weights & Biases (50.9%)

Statistics

MetricValue
Helicone wins28
Weights & Biases wins29
Abstains (no tool)45
Other tool chosen2371
Decisive cases57
Helicone win rate (unweighted)49.1%
95% CI36.6% - 61.7%
Helicone win rate (weighted)49.1%

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Helicone

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Weights & Biases

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Per-model breakdown

ModelTierHeliconeWeights & BiasesNoneOtherA rate
Gemini 2.5 FlashSmall226110379%
Devstral 2 2512Mid510159633%
Llama 4 ScoutSmall07111070%
DeepSeek R1 0528Frontier0611250%
Gemini 2.5 ProFrontier106125100%
Claude Haiku 4.5Small000129n/a
Claude Opus 4.6Frontier000132n/a
Claude Sonnet 4.6Frontier000132n/a
DeepSeek V3.2Mid000132n/a
GLM 5 TurboFrontier000132n/a
GPT 5.3 CodexFrontier000132n/a
GPT 5.4Frontier000132n/a
GPT 5.4 MiniMid001131n/a
Kimi K2.5Frontier004115n/a
Llama 4 MaverickFrontier000132n/a
MiMo V2 ProFrontier002130n/a
MiniMax M2.7Frontier003127n/a
Mistral Small 4Mid000129n/a
Qwen3 Coder NextMid001130n/a

Per-prompt breakdown

PromptTierHeliconeWeights & BiasesNoneOtherA rate
ai-revenue-ops-copilotIntermediate204137883%
ai-support-agent-platformAdvanced01014040%
ai-revenue-ops-copilotAdvanced0823990%
ai-revenue-ops-copilotBeginner06293820%
ai-support-agent-platformIntermediate41141080%
ai-support-agent-platformBeginner4011398100%