Expired50% confidenceFactExact time
Arize Phoenix is licensed under Elastic License 2.0, which makes it source-available rather than truly open source under OSI certification, and it lacks inline interception capability.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/14/2026
First Seen
Valid until: 10/12/2026(expired)
Sources
LLM评测工具横评：LangSmith、Langfuse等五款工具深度对比
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