{"name":"Braintrust","tagline":"Active observability platform for instrumenting, understanding, and improving agents.","url":"https://www.braintrust.dev","category":"dev-infra","pricing":"freemium","price_note":"Starter is free with 1 GB processed data per month, 10,000 scored outputs per month, and 14-day retention; Pro is $249 per month; Enterprise is custom.","free_tier":true,"open_source":false,"api":true,"self_host":false,"limitations":["Radar: not field-run in this catalog wave.","Starter plan includes only 1 GB of processed data, 10,000 scored outputs, and 14-day data retention."],"receipts":["https://www.braintrust.dev","https://www.braintrust.dev/docs","https://www.braintrust.dev/pricing"],"affiliate":"none","evidence_tier":"radar","momentum":"steady","featured":false,"last_verified":"2026-09-01","observed_by":"catalog-radar","slug":"braintrust","canonical_url":"https://noemium.com/tools/braintrust/","attribution":"Noemium catalog data is licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). See https://noemium.com/method/ for how entries are verified."}