LLMonitor alternatives

Langfuse is a comprehensive open-source LLM engineering platform offering end-to-end visibility with tracing, evaluations, prompt management, and metrics.

Helicone provides a simple, gateway-first approach to LLM observability, focusing on monitoring, debugging, and improving LLM applications with minimal code changes.

OpenLLMetry is an open-source observability product for LLM applications built on OpenTelemetry, allowing data capture from various LLM providers and frameworks to be sent to multiple destinations.

SigNoz is a full-stack open-source observability platform that provides correlated traces, logs, and metrics for LLMs alongside traditional application monitoring.

OpenObserve is an open-source, Rust-based observability platform optimized for cost-efficient storage and SQL-native querying of logs, metrics, and traces, including LLM cost monitoring.