Open-source LLM observability — traces, evals, and prompt management
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Claim This ListingLangfuse gives you full visibility into your LLM application with traces, latency monitoring, cost tracking, and evaluation pipelines. Prompt versioning, playground, and dataset management. Integrates with OpenAI, LangChain, LlamaIndex, and OpenTelemetry. YC W23. Acquired by ClickHouse.
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