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LLM Evals
Methodology

LMSYS Chatbot Arena vs TruEra

LMLMSYS Chatbot ArenavsTRTruEra
LMSYS Chatbot ArenaTruEra
50%
50%
Insufficient data
This matchup has 4 decisive cases (minimum 30 required for publication).

Statistics

MetricValue
LMSYS Chatbot Arena wins2
TruEra wins2
Abstains (no tool)36
Other tool chosen960
Decisive cases4
LMSYS Chatbot Arena win rate (unweighted)50.0%
95% CI15.0% - 85.0%
LMSYS Chatbot Arena win rate (weighted)50.0%

Comments

LMSYS Chatbot Arena

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TruEra

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Per-model breakdown

ModelTierLMSYS Chatbot ArenaTruEraNoneOtherA rate
Llama 4 ScoutSmall20344100%
Devstral 2 2512Mid011490%
Mistral Small 4Mid010500%
Claude Haiku 4.5Small00151n/a
Claude Opus 4.6Frontier00054n/a
Claude Sonnet 4.6Frontier00054n/a
DeepSeek R1 0528Frontier00252n/a
DeepSeek V3.2Mid00943n/a
Gemini 2.5 FlashSmall00052n/a
Gemini 2.5 ProFrontier00648n/a
GLM 5 TurboFrontier00747n/a
GPT 5.3 CodexFrontier00054n/a
GPT 5.4Frontier00054n/a
GPT 5.4 MiniMid00153n/a
Kimi K2.5Frontier00048n/a
Llama 4 MaverickFrontier00053n/a
MiMo V2 ProFrontier00252n/a
MiniMax M2.7Frontier00151n/a
Qwen3 Coder NextMid00351n/a

Per-prompt breakdown

PromptTierLMSYS Chatbot ArenaTruEraNoneOtherA rate
ai-support-agent-platformIntermediate11416050%
ai-support-agent-platformAdvanced11116650%
ai-revenue-ops-copilotIntermediate001163n/a
ai-revenue-ops-copilotBeginner004164n/a
ai-revenue-ops-copilotAdvanced001163n/a
ai-support-agent-platformBeginner0025144n/a