Arize Phoenix is not an OpenTelemetry Collector as defined by the official OpenTelemetry Collector project (<https://opentelemetry.io/docs/collector/>), but it acts as an OTLP-compatible trace collector. Phoenix receives traces over the OpenTelemetry Protocol (OTLP) via HTTP or gRPC, similar to an OTel collector, but it is not a drop-in replacement for the OpenTelemetry Collector binary and does not support the full range of OTel Collector features or pipelines. According to the <https://docs.arize.com/phoenix/tracing/how-to-tracing/setup-tracing-python#setup-endpoints-projects-etc|Phoenix documentation>, Phoenix is designed to accept traces from OTel-instrumented applications and can be used as a backend for OpenTelemetry traces.
Would you like more detail on the differences or integration patterns?
Sources:
- <https://arize-ai.slack.com/archives/C04R3GXC8HK/p1717373476.800519|https://arize-ai.slack.com/archives/C04R3GXC8HK/p1717373476.800519>
- <https://github.com/Arize-ai/openinference/blob/main/python/README.md|https://github.com/Arize-ai/openinference/blob/main/python/README.md>
