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OpenAI hostname hints at a new ChatGPT feature codenamed "Sonata"

ID: 05729ca9-84ab-5d5d-9adc-6df0f2c5d714

STIX ID: report--05729ca9-84ab-5d5d-9adc-6df0f2c5d714

Feed Name: Bleeping Computer

Date Published: 2026-01-19

Date Updated: 2026-04-20

Author: Mayank Parmar

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The report notes discovery of new OpenAI “sonata” subdomains (sonata.openai.com, sonata.api.openai.com) suggesting testing of a new feature possibly related to music/audio, mentions recent ChatGPT updates (referenceable chat history and improved dictation), and includes a promotional link for a secrets management guide; it does not present cybersecurity incidents or indicators.

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