ChatGPT vs Claude: Which Is More Secure for Enterprise Teams?

Frequently asked questions
Does Claude or ChatGPT train on my enterprise prompts?
Neither does — but only at the enterprise tier and only by contract. ChatGPT Team and Enterprise commit to no training on workspace conversations. Claude for Work has the same commitment plus zero-data-retention by default. Consumer-tier ChatGPT Free and Plus do use prompts for training unless you opt out per-conversation.
Which is better for HIPAA?
Both will sign a BAA at the enterprise tier (Anthropic via Claude for Work, OpenAI via ChatGPT Enterprise). BAA alone isn't enough — you still need prompt-level DLP to keep PHI out of prompts in the first place, plus an audit trail of what was sent, since both providers exclude prompt content from their own audit logs.
What controls are missing from both ChatGPT and Claude?
Prompt-level content scanning before submission, auto-redaction of detected PII/credentials, per-user audit logs that include the prompt text, role-based access to specific prompts or templates, and cross-tool enforcement when employees use both. These gaps are why prompt-management / DLP layers exist on top of the base providers.
Should we standardize on one tool or allow both?
Allow both — your team will use both anyway. Standardizing on a single AI tool is a 2023 strategy. The 2026 strategy is to centralize the governance layer (DLP, audit, prompt library) and let employees pick the best model for each task underneath it.