AI Matters
Why it matters
OpenAI to train models on previously excluded user session data
The Decoder OpenAI plans to train models on Daybreak Blue cybersecurity session data that was previously off-limits
OpenAI announced plans to train future models on Daybreak Blue user sessions, prompting a backlash that forced a separate opt-out option.
Why it matters
Your conversation history in specific tools may be used for model training unless you manually opt out.
Latest brief · Nov 1, 2026