05.20.2025: 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

Full list of supported JS/TS Client Methods:

@arizeai/phoenix-client