Braintrust in Practice
Public accounts from Notion, Zapier, Trainline, Dropbox and Mura show what Braintrust's evals caught, where its SDKs broke, and why some teams left.
Research
What is changing across AI Observability?
The May 2026 API Key Incident
An attacker reached decrypted AI provider keys in a Braintrust migration backup, and 30 customers reported suspicious key use. This piece covers Braintrust's timeline, the short-lived credential options it added, and how to hold provider keys on any eval platform.