CoreWeave launches ARIA, an AI research agent for experiment data

CoreWeave, Inc. (Nasdaq: CRWV) announced the launch of CoreWeave ARIA (AI Research & Iteration Agent), an AI research agent integrated into Weights & Biases (W&B) that analyzes experiment data to support model and agent development. ARIA enters public preview, and W&B Weave's agent development capabilities move to general availability simultaneously.

ARIA is built using W&B Weave, CoreWeave's agent development platform. The tool reads experiment runs, generates visualizations, and produces reports from within the W&B interface. According to the company, it can analyze thousands of runs and tens of thousands of metrics within minutes.

The agent's core capabilities include forming hypotheses, launching experiments, evaluating results, and recommending next steps. It generates live W&B dashboards — including heat maps, parallel coordinates plots, and bar charts — that update as new runs are added and are visible to entire teams. ARIA is also available through the W&B mobile app.

"Researchers are making rapid progress in model development, but their management tools have not kept pace," said Chen Goldberg, Executive Vice President of Product and Engineering at CoreWeave. "ARIA is how we close that gap."

Praneeth Gangavarapu, a PhD candidate at Scripps Research, said in a statement that ARIA helps generate reports, create sweep configurations from natural language, and automate repetitive setup tasks.

CoreWeave states that ARIA draws on data from nearly one billion runs and trillions of metrics tracked through Weights & Biases. The company acquired Weights & Biases earlier this year as part of its expansion into AI tooling beyond cloud infrastructure.

ARIA is accessible by opening any project in Weights & Biases and selecting the agent icon in the sidebar. CoreWeave said the product roadmap is focused on expanding autonomous research capabilities.

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