Arize Phoenix

Open source observability and evaluation tooling for LLM and agent systems

Category	Rank	Support Rate	95% CI	Trend
LLM Observability	#5/19	1.7%(17/1009)	1-3%	0.0%
LLM Evals	#15/27	0.6%(6/1000)	0-1%	0.0%

12 decisive cases (30 needed)

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