OpenAI · featureCustom voices

validasserted

Valid from: 2025-12-15
Valid until: still holds
Published: 2025-12-15
Recorded by AsOf: 2026-10-31
Checked: 2026-10-31 · its source page states the value and the date
Confidence: 0.70

Sources

“gpt-realtime-mini-2025-12-15 gpt-audio-mini-2025-12-15 gpt-4o-mini-transcribe-2025-12-15 gpt-4o-mini-tts-2025-12-15 This launch also includes support for Custom voices for eligible customers.”— what the page says, read 2026-10-31

OpenAI API changelog, December 15, 2025primary · developers.openai.com · 2025-12-15

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