Which is more popular, phoenix or UpTrain?

phoenix has more GitHub stars (11,689 vs 2,366).

Which is more actively developed, phoenix or UpTrain?

phoenix had more commits in the last 90 days (1,198 vs 0).

Compare their capabilities, limitations and "best for" notes above. Trying each on a small task is the fastest way to decide.

Side-by-side comparison of two AI agent tools

UpTrain has had no commit in 26 months; phoenix is actively maintained (1,198 commits in the last 90 days).
phoenix is growing faster: +415 GitHub stars in the last 30 days vs +4 for UpTrain.
Pick phoenix for: aI Observability & Evaluation. Pick UpTrain for: open-source platform to evaluate and improve generative AI applications with 20+ preconfigured evaluations.

From GitHub data refreshed daily.

AI Observability & Evaluation

UpTrainopen-source

Open-source platform to evaluate and improve generative AI applications with 20+ preconfigured evaluations

+Open-source platform with active community support and transparency
+Comprehensive evaluation framework with 20+ preconfigured checks covering multiple AI use cases
+Unified platform approach that handles both evaluation and improvement recommendations

-May require technical expertise to implement and configure effectively
-Evaluation accuracy depends on the quality and relevance of preconfigured checks

Which is more popular, phoenix or UpTrain?: phoenix has more GitHub stars (11,689 vs 2,366).
Which is more actively developed, phoenix or UpTrain?: phoenix had more commits in the last 90 days (1,198 vs 0).
Should I use phoenix or UpTrain?: Compare their capabilities, limitations and "best for" notes above. Trying each on a small task is the fastest way to decide.