wandb/weave

Weights & Biases' toolkit for tracing and evaluating LLM applications, built on the same company's established experiment-tracking product for traditional ML training.

Our description, from the project's GitHub description, as of 2026-09-24.

Rendered 2026-10-28

Key facts

Fact	Answer
Layer	Testing agent output (main layer)
Forms	library

Data and compliance

Compliance: Set by whoever runs it, for their own deployment.
Data: Set by whoever runs it, with telemetry not checked yet.
Model and where it runs: Run by its operator.
Details: What the project's own pages state, not a compliance determination.

What the maker's own pages said on the dates shown, not a compliance determination.

Sources

GitHub page: weave (the product's own site, from our list of products; not read for these lines)

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Our reading of vendors' pages, as of the dates shown. Confirm on the vendor's page before relying on any line that cites it. To report an error write to report@crinaro.ai