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Pricing sourced from LangWatch · Last verified March 2026
Detailed feature comparison coming soon. Visit LangWatch's website for complete plan details.
View Full Features →LangWatch adds active guardrails (PII detection, content filtering) on top of observability. Langfuse focuses purely on tracing and analytics without real-time intervention capabilities.
Yes, guardrail checks add processing time. Simple checks (PII regex) are fast; LLM-based evaluations add more latency. You can configure which checks run synchronously vs asynchronously.
Yes, self-hosted deployment is available on Enterprise plans for organizations requiring full data sovereignty.
Yes. LangWatch captures streaming responses and applies guardrails and evaluations on the complete response while maintaining streaming to the user.
AI builders and operators use LangWatch to streamline their workflow.
Try LangWatch Now →Leading open-source LLM observability platform for production AI applications. Comprehensive tracing, prompt management, evaluation frameworks, and cost optimization with enterprise security (SOC2, ISO27001, HIPAA). Self-hostable with full feature parity.
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