🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

TensorZero is an open-source stack for industrial-grade LLM applications. It unifies an LLM gateway, observability, optimization, evaluation, and experimentation.

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

Provider-agnostic, open-source evaluation infrastructure for language models