Preseason
MatchesRankingsPrompts
GitHub
Preseason
MatchesRankingsPromptsMethodologyContact

© 2026 Preseason. All rights reserved.

PrivacyTerms
@betocmn
LLM Observability
Methodology

Langfuse vs LangSmith

LangfuseLALangfusevsLangSmithLALangSmith
LangfuseLangSmith
35%
65%

Leading: LangSmith (65.0%)

Statistics

MetricValue
Langfuse wins1254
LangSmith wins2329
Abstains (no tool)146
Other tool chosen625
Decisive cases3583
Langfuse win rate (unweighted)35.0%
95% CI33.5% - 36.6%
Langfuse win rate (weighted)35.0%

Comments

Langfuse

No comments yet

Verified critics can leave comments here.

LangSmith

No comments yet

Verified critics can leave comments here.

Model range breakdown

Model rangeTierLangfuseLangSmithNoneOtherA rate
DeepSeek Flash 3.2–4.1Mid381794618%
DeepSeek Pro 4–4 0813Frontier27661229%
DeepSeek R1Frontier02052210%
DevstralMid036281330%
Gemini Flash 2.5–3.8Small1877313019%
Gemini Pro 2.5–3.1 PreviewFrontier8207854%
GLM 5 Turbo–5.3Frontier491790021%
GPT 5.4–6 AstraFrontier169544176%
GPT Coding 5.3 Codex–6.1 SolFrontier200271088%
GPT Mini 5.4 Mini–6 LunaMid561635426%
HaikuSmall1455731972%
Kimi 2.5–3Frontier981114147%
Llama MaverickFrontier22121166715%
Llama ScoutSmall37033144100%
MiMo Pro 2–2.6Frontier16198867%
MiniMax M 2.7–3Frontier5114852226%
Mistral SmallMid111743356%
Opus 4.6–5.5Frontier156648071%
Qwen CoderMid8511122943%
Sonnet 4.6–5.5Frontier681528031%

Per-prompt breakdown

PromptTierLangfuseLangSmithNoneOtherA rate
ai-support-agent-platformIntermediate11237918223%
ai-revenue-ops-copilotIntermediate12735317826%
ai-support-agent-platformBeginner217256178046%
ai-revenue-ops-copilotAdvanced13533239529%
ai-support-agent-platformAdvanced170293110837%
ai-revenue-ops-copilotBeginner148305338933%
ai-agent-applicationAdvanced568901139%
ai-agent-applicationIntermediate3410811224%
ai-engineering-workflowIntermediate874502566%
ai-agent-applicationBeginner2910124422%
ai-engineering-workflowAdvanced814303165%
ai-engineering-workflowBeginner5825651070%