Thanks Ryan! Digging a bit deeper I found this:
Data usage for
Claude.ai Consumer Offerings (e.g. Free
Claude.ai, Claude Pro plan)
https://privacy.anthropic.com/en/articles/10023555-how-do-you-use-personal-data-in-model-training
We will not use your Inputs or Outputs to train our generative models, unless: (1) your conversations are flagged for Trust & Safety review (in which case we may use or analyze them to improve our ability to detect and enforce our
Usage Policy, including training models for use by our Trust and Safety team, consistent with Anthropic’s safety mission), or (2) you’ve explicitly reported the materials to us (for example via our feedback mechanisms), or (3) by otherwise explicitly opting in to training.