Observability Tools

LangWatch is an end-to-end AI agent testing, LLM evaluation, and observability platform used by thousands of AI engineering teams. It helps developers stress-test agents pre-production with synthetic simulations, run batch evaluations, monitor live LLM interactions, and optimize prompts using DSPy—a

Helicone is an open-source AI Gateway and LLM observability platform that helps developers build reliable AI applications. It provides unified access to 100+ AI models through a single SDK, intelligent routing, real-time tracing, and comprehensive monitoring across all providers. Trusted by 1000+ AI

Opik by Comet is an end-to-end LLM evaluation platform that helps AI developers debug, test, and continuously improve LLM-powered applications through comprehensive tracing, evaluation metrics, automated prompt optimization, and production monitoring. Built for developers working with RAG systems, a

Arize AI is an enterprise-grade observability and evaluation platform for LLM applications and AI agents. Used by DoorDash, Uber, Reddit, and 6,700+ teams, it provides tracing, automated evaluations, prompt optimization, and real-time monitoring to help AI engineers ship reliable agents faster—from

Platform for tracking and analyzing brand mentions and citations across large language models and AI search engines.

Complete prompt management solution with experimentation, evaluation, and observability features for optimizing AI model performance at scale.

Observability tool for tracking prompts, model outputs, and performance metrics in production LLM applications with experiment tracking.

Observability and testing platform for LangChain apps, providing prompt tracking, debugging tools, and performance analytics for AI workflows.

Comprehensive prompt management tool for AI teams offering versioning, testing, and monitoring capabilities to optimize AI model interactions.