ModelCharter

ChatGPT vs Google Gemini: which is safer for work?

ChatGPT and Google Gemini are close on the facts we could verify. The right choice comes down to the specific tier your team would use.

FactChatGPT
Low risk · 14
OpenAI · AI assistants
Google Gemini
Low risk · 14
Google · AI assistants
Trains on consumer-tier dataOpt-outOpt-out
SOC 2 Type IIYesYes
ISO 27001YesYes
GDPR DPAYesYes
HIPAA BAAYesYes
EU data residencyYesYes
SSO / SAMLYesYes
Data retentionConsumer chats retained until deleted (~30 days after deletion); ChatGPT Enterprise/Team customer-configurable retention; API logs default ~30 days and Zero Data Retention available for eligible API endpoints/in-region projects.Consumer: default up to 18 months (configurable 3-36 months) tied to Gemini Apps Activity, and human-reviewed chats disconnected from the account are kept up to 3 years; Workspace data follows the customer's standard Workspace retention/Vault.

Full profiles: ChatGPT · Google Gemini. Facts are sourced from each vendor's own policies; confirm the tier before relying on them.