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LLM Evals
Methodology

HumanFirst vs LangChain

HUHumanFirstvsLangChainLALangChain
HumanFirstLangChain
43%
57%

Leading: LangChain (57.3%)

Statistics

MetricValue
HumanFirst wins56
LangChain wins75
Abstains (no tool)194
Other tool chosen3612
Decisive cases131
HumanFirst win rate (unweighted)42.7%
95% CI34.6% - 51.3%
HumanFirst win rate (weighted)42.7%

Comments

HumanFirst

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LangChain

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Per-model breakdown

ModelTierHumanFirstLangChainNoneOtherA rate
Devstral 2 2512Mid56014102100%
Gemini 2.5 FlashSmall0281920%
Qwen3 Coder NextMid02241770%
Llama 4 MaverickFrontier012141690%
DeepSeek V3.2Mid0722940%
Llama 4 ScoutSmall06231600%
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 V4 FlashMid00479n/a
DeepSeek V4 ProFrontier00282n/a
Gemini 2.5 ProFrontier009199n/a
Gemini 3.5 FlashSmall00876n/a
GLM 5 TurboFrontier0019107n/a
GLM 5.2Frontier00084n/a
GPT 5.3 CodexFrontier000210n/a
GPT 5.4Frontier000126n/a
GPT 5.4 MiniMid008199n/a
GPT 5.5Frontier00381n/a
Kimi K2.5Frontier003111n/a
Kimi K2.7 CodeFrontier00182n/a
MiMo V2 ProFrontier008118n/a
MiMo V2.5 ProFrontier00974n/a
MiniMax M2.7Frontier005118n/a
MiniMax M3Frontier00678n/a
Mistral Small 4Mid003193n/a

Per-prompt breakdown

PromptTierHumanFirstLangChainNoneOtherA rate
ai-revenue-ops-copilotBeginner19191147650%
ai-revenue-ops-copilotIntermediate12544934%
ai-support-agent-platformBeginner12117543052%
ai-revenue-ops-copilotAdvanced712249537%
ai-support-agent-platformAdvanced65551155%
ai-support-agent-platformIntermediate42551167%
ai-engineering-workflowIntermediate501125100%
ai-engineering-workflowAdvanced201127100%
ai-engineering-workflowBeginner0161720%
ai-agent-applicationAdvanced000131n/a
ai-agent-applicationBeginner0028110n/a
ai-agent-applicationIntermediate001131n/a