← Back to Rankings
Arize Phoenix
Agent Evaluation Systems↑ Rising Signal
Open-source LLM tracing/eval built on OpenInference OTel conventions.
70MoatRank™
About
The open-source, self-hosted tracing and evaluation tool from Arize, shipping OpenInference — widely adopted OpenTelemetry semantic conventions for LLM spans. Oracle integrated it via the Open Agent Specification.
MoatRank™ Breakdown
Total Score70 / 100
Structural Integrity15/20
Behavioral Coherence14/20
Governance Maturity13/20
Adoption Legitimacy13/20
Composability Index15/20
Observation Timeline
Mar 1, 2026
Oracle integration via Open Agent Specification
OpenInference described as the most widely adopted LLM OTel conventions; Apache-2.0 licensed.
Certification
↑ Rising Signal
Issued: Jun 25, 2026
Open standard is a durability moat; OTel-native composability.