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LLM Evals
Methodology

HumanFirst vs LangChain

HUHumanFirstvsLangChainLALangChain
HumanFirstLangChain
44%
56%

Leading: LangChain (56.4%)

Statistics

MetricValue
HumanFirst wins58
LangChain wins75
Abstains (no tool)183
Other tool chosen3506
Decisive cases133
HumanFirst win rate (unweighted)43.6%
95% CI35.5% - 52.1%
HumanFirst win rate (weighted)43.6%

Comments

HumanFirst

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LangChain

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Per-model breakdown

ModelTierHumanFirstLangChainNoneOtherA rate
Devstral 2 2512Mid58014105100%
Gemini 2.5 FlashSmall0301960%
Qwen3 Coder NextMid02141730%
Llama 4 MaverickFrontier011121660%
DeepSeek V3.2Mid0722990%
Llama 4 ScoutSmall06201590%
Claude Haiku 4.5Small003191n/a
Claude Opus 4.6Frontier000132n/a
Claude Opus 4.8Frontier00665n/a
Claude Sonnet 4.6Frontier006198n/a
DeepSeek R1 0528Frontier009195n/a
DeepSeek V4 FlashMid00467n/a
DeepSeek V4 ProFrontier00270n/a
Gemini 2.5 ProFrontier0011191n/a
Gemini 3.5 FlashSmall00765n/a
GLM 5 TurboFrontier0019113n/a
GLM 5.2Frontier00072n/a
GPT 5.3 CodexFrontier000204n/a
GPT 5.4Frontier000132n/a
GPT 5.4 MiniMid008193n/a
GPT 5.5Frontier00270n/a
Kimi K2.5Frontier003116n/a
Kimi K2.7 CodeFrontier00170n/a
MiMo V2 ProFrontier008124n/a
MiMo V2.5 ProFrontier00863n/a
MiniMax M2.7Frontier005124n/a
MiniMax M3Frontier00567n/a
Mistral Small 4Mid003186n/a

Per-prompt breakdown

PromptTierHumanFirstLangChainNoneOtherA rate
ai-revenue-ops-copilotBeginner20191147651%
ai-revenue-ops-copilotIntermediate12644914%
ai-support-agent-platformBeginner13127342952%
ai-revenue-ops-copilotAdvanced711349339%
ai-support-agent-platformAdvanced64551260%
ai-support-agent-platformIntermediate42651067%
ai-engineering-workflowIntermediate501106100%
ai-engineering-workflowAdvanced201109100%
ai-engineering-workflowBeginner0153620%
ai-agent-applicationAdvanced000112n/a
ai-agent-applicationBeginner002594n/a
ai-agent-applicationIntermediate001112n/a