Metadata

/metadata/Optional key-value pairs attached to a dataset record or trace, used for filtering, grouping, and analysis. Metadata lets you slice performance by segment (tier, language, intent, etc.). (noun)

“We filter by metadata like customer tier and language to find localized failures.”

Related Datasets terms

Adversarial examples

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Coverage

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Dataset

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Dataset record

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Edge case

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Expected output (ground truth)

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flush()

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Golden dataset

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Input

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Multimodal dataset

From the docs

Build datasets

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Create experiments

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Evaluate systematically

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Metadata filtering in custom views shows partial data

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Navigate and filter metadata arrays by index

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Braintrust is the observability platform for agents in production. By actively applying intelligence to agent traces and automatically surfacing critical patterns, Braintrust helps teams at Notion, Stripe, Box, OpenAI, and Cloudflare ship quality agents at scale.