
Langtrace AI is an open-source AI agent observability and evaluation platform that helps developers monitor, debug, and optimize applications built on large language models, enabling AI prototypes to become enterprise-grade products.
It mainly provides comprehensive observability (tracking and monitoring key metrics), built-in evaluation tools (performance quantification and optimization), and flexible open-source integration (supporting Python/TypeScript SDKs), along with enterprise-grade security and compliance certifications.
Three subscription plans are available: a Free plan for individual developers (up to 5,000 spans per month), a Growth plan at $31 per user per month with up to 500k spans per year, and an Enterprise plan with a customizable package including SLA and advanced compliance support.
Supports major AI frameworks such as LangChain, LlamaIndex, CrewAI, and DSPy, and serves as an official OpenAI external tracker processor, with integrations including Neo4j and Cleanlab TLM.
The platform is SOC 2 Type II certified, offering an advanced security framework, with options for cloud or on-prem deployments, ensuring data security and helping manage compliance risks.
Get started quickly with a simple non-intrusive SDK (just two lines of code) that supports Python and TypeScript, with a Free plan available for individual developers to experience core features.

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