Is it safe to share work data with ChatGPT or Claude?
For personal use, generally yes if you follow basic hygiene. For company data, only if your team is on a business plan that contractually keeps your data out of training.
Default consumer accounts on most AI platforms reserve the right to use your conversations to improve their models, sometimes with opt-outs and sometimes not. For personal use this is broadly acceptable. For company data — customer information, financials, contracts, source code — it is not.
The practical posture:
Personal use. Be deliberate about what you paste. Names, addresses, IDs, and account numbers do not belong in a chat. If you must work with sensitive content, redact it first. Replace real names with placeholders.
Company use. Move the team to a business plan that gives you a data-processing agreement and explicit assurance that your inputs are not used for model training. ChatGPT Team and Enterprise, Claude for Work, Gemini for Workspace all provide this. The premium is small. The risk of getting it wrong is not.
Regulated industries. Talk to your legal and compliance teams before connecting AI to systems that touch personal data, health records, or financial information. The model providers have answers for these contexts, but they require contracts, not casual usage.
The simplest rule: assume nothing you paste is private unless you have explicit, written confirmation that it is. Then act accordingly.