By Arize AI
Arize Phoenix
Arize AI
Open-source LLM and agent observability — OpenTelemetry tracing and evals you can self-host
arize-phoenix-evals-v3.3.02026-07-23PythonElastic-2.0
10.7k Open source Free tier Paid
Arize AI
Open-source LLM and agent observability — OpenTelemetry tracing and evals you can self-host