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LLM Evals
Methodology

HumanFirst vs LangChain

HUHumanFirstvsLangChainLALangChain
HumanFirstLangChain
41%
59%

Leading: LangChain (59.2%)

Statistics

MetricValue
HumanFirst wins58
LangChain wins84
Abstains (no tool)237
Other tool chosen4149
Decisive cases142
HumanFirst win rate (unweighted)40.8%
95% CI33.1% - 49.1%
HumanFirst win rate (weighted)40.8%

Comments

HumanFirst

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LangChain

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Model range breakdown

Model rangeTierHumanFirstLangChainNoneOtherA rate
DeepSeek Flash 3.2–4.1Mid07262030%
DeepSeek Pro 4–4 0813Frontier002106n/a
DeepSeek R1Frontier0012228n/a
DevstralMid58019124100%
Gemini Flash 2.5–3.8Small030121930%
Gemini Pro 2.5–3.1 PreviewFrontier0017221n/a
GLM 5 Turbo–5.3Frontier0019221n/a
GPT 5.4–6 AstraFrontier005235n/a
GPT Coding 5.3 Codex–6.1 SolFrontier002238n/a
GPT Mini 5.4 Mini–6 LunaMid009228n/a
HaikuSmall004227n/a
Kimi 2.5–3Frontier005221n/a
Llama MaverickFrontier012182010%
Llama ScoutSmall010291750%
MiMo Pro 2–2.6Frontier0017222n/a
MiniMax M 2.7–3Frontier0012224n/a
Mistral SmallMid0252190%
Opus 4.6–5.5Frontier009230n/a
Qwen CoderMid02342040%
Sonnet 4.6–5.5Frontier0011229n/a

Per-prompt breakdown

PromptTierHumanFirstLangChainNoneOtherA rate
ai-revenue-ops-copilotBeginner20201353150%
ai-revenue-ops-copilotIntermediate12655484%
ai-support-agent-platformBeginner13128047952%
ai-revenue-ops-copilotAdvanced713355135%
ai-support-agent-platformAdvanced66557050%
ai-support-agent-platformIntermediate42656867%
ai-engineering-workflowIntermediate501167100%
ai-agent-applicationAdvanced0301700%
ai-engineering-workflowAdvanced201165100%
ai-agent-applicationIntermediate0111730%
ai-engineering-workflowBeginner0182890%
ai-agent-applicationBeginner0040138n/a