Braintrust updates usage metrics and feature terminology

Braintrust shifted usage tracking from 'rows' to 'spans' measurement, modified experiment sharing from unlimited public to shareable, and downgraded Enterprise Slack support from private to shared channels.

11/11/202511/18/2025

Verified Changes

  • 1
    featureOpen source/.edu plan no longer explicitly lists 'Unlimited private experiments'
  • 2
    metricBuilder plan usage metric changed from 'rows' to 'spans' measurement unit (1,000 rows/week → 1,000 spans/week)

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