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ChatGPT imitated user's voice without permission during testing

During testing of ChatGPT's Advanced Voice Mode, the AI model unintentionally imitated a user's voice without permission. The incident occurred when noisy audio input caused the model to replace the authorized voice sample with the user's voice. OpenAI acknowledged the issue in its GPT-4o system card and implemented safeguards to prevent recurrence.

Organisation involved
OpenAI
Product, system or model
ChatGPT (GPT-4o with Advanced Voice Mode)
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This incident was imported from arstechnica.com. Our additions to it — the structured fields, the translation, the checks against other reports — are published under the same licence.

This is a record of what was reported, not a finding that anyone broke the law. If it names your organisation and you believe it is wrong, the corrections process is free and open to everyone.