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05.20.2025

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Datasets And Experiment Evaluations In The JS Client

We’ve added a host of new methods to the JS client:
  • getExperiment - allows you to retrieve an Experiment to view its results, and run evaluations on it
  • evaluateExperiment - allows you to evaluate previously run Experiments using LLM as a Judge or Code-based evaluators
  • createDataset - allows you to create Datasets in Phoenix using the client
  • appendDatasetExamples - allows you to append additional examples to a Dataset

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Full list of supported JS/TS Client Methods:

@arize-ai/phoenix-client