Head-to-Head

EvalGuard vs Langfuse

Best-in-class tracing, zero red teaming

Langfuse (YC W23) is the leading open-source LLM observability platform with best-in-class tracing and prompt management. It supports 100+ providers via LiteLLM integration. However, it has zero red teaming, zero eval scorers, no firewall, and no compliance features.

Competitor data (GitHub stars, downloads, feature counts, funding/acquisition status) verified as of 2026-04-28.

9
EvalGuard wins
vs
2
Langfuse wins
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FeatureEvalGuardLangfuse
Red Team Plugins2490
Eval Scorers138Custom only
LLM Providers85100+ (via LiteLLM)
TracingOpenTelemetryBest-in-class
Prompt ManagementVersioning IDE + DiffYes
Compliance Frameworks330
LLM Firewall5-layerNo
LLM GatewayYesNo
Cost AnalyticsYesNo
BYOK EncryptionYesNo
NL→Eval PipelineYes (unique)No
Open SourceApache 2.0Yes (YC W23)

Why choose EvalGuard over Langfuse

  • 249 red team plugins — Langfuse has zero security testing
  • 166 eval scorers — Langfuse has no built-in evaluation metrics
  • 5-layer firewall + gateway + cost analytics — Langfuse has none
  • 33 compliance frameworks — Langfuse has zero
  • NL→Eval pipeline for instant eval suite generation

Where Langfuse leads

  • Langfuse has best-in-class tracing and observability depth
  • Langfuse supports 100+ providers via LiteLLM integration
  • Langfuse has a strong open-source community (YC W23 backed)

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