Model Details
Where is TTS-1 HD a perfect fit?
tts-1-hd is designed for high-quality, natural-sounding speech generation, prioritising realism over speed and cost. Ideal for:
- Professional narration (audiobooks, podcasts, video voiceovers)
- Marketing and branded audio content
- High-quality accessibility tools and assistive technologies
- Educational content with natural voice delivery
- Media production workflows requiring expressive speech
- Applications where voice quality directly impacts user experience
- Professional narration (audiobooks, podcasts, video voiceovers)
- Marketing and branded audio content
- High-quality accessibility tools and assistive technologies
- Educational content with natural voice delivery
- Media production workflows requiring expressive speech
- Applications where voice quality directly impacts user experience
Quick Model Estimate
Your TTS-1 HD Cost Estimate
💰 Total Cost
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for 1000 input + 1000 output tokens
📥 Input (1000)
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📤 Output (1000 × $30.000000)
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Cost Breakdown
📥 Input
📤 Output
Prices are watched for changes and checked against the provider's own page.
Pricing
Recent changes
When TTS-1 HD was newly listed on a provider, moved to legacy or deprecated, or retired.
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Legacy
OpenAI moved TTS-1 HD to legacy, retiring it on 6th Jan 2027, with GPT Realtime 2.1 Mini as the suggested replacement.
Other Models in the TTS-1 Family
FAQs about TTS-1 HD
Is TTS-1 HD still available?
TTS-1 HD is a legacy model and is scheduled for retirement on 6 January 2027. The replacement is GPT Realtime 2.1 Mini.