by OpenAIAudio
TTS-1 HD
TTS-1 HD turns finished copy into quality-focused narration, with preset voices and selectable compressed or uncompressed audio.
- 9 voices
From 6 credits per 1,000 characters≈ $0.006
−82%HD · /1K chars on OpenAI: $0.030
TTS-1 HDWhat TTS-1 HD can do
Settings worth knowing
voice_id9- Pick from the available voices.
speed0.25–4- Speaking pace.
output_formatmp3 · opus · aac · flac · wav · pcm- File type of the result.
Similar models
TTS-1 HDThis modelFrom 6 credits
TTS-1TTS-1 reads short text as speech using nine preset voices, adjustable speaking speed and six audio formats.From 3 creditsper 1,000 charactersGemini 3.8 Flash TTSExpressive speech that acts out cues like [laughing]From 0.32 creditsper second of audioMiniMax Speech 2.8 HDHigh-fidelity speech in 400+ voices with emotion controlFrom 120 creditsper 1,000 charactersQwen-Audio 3.1 TTS PlusExpressive narration and brand voices you direct in plain wordsFrom 29 creditsper 1,000 charactersQwen-Audio 3.1 TTS FlashFast speech in many languages from 70 voicesFrom 3 creditsper 1,000 charactersGemini 3.8 Flash-Lite TTSFast, lightweight speech in 70 voicesFrom 0.21 creditsper second of audioQuestions about TTS-1 HD
How much does TTS-1 HD cost?
On PopNow, the cheapest run of TTS-1 HD costs 6 credits ($0.006) per 1,000 characters.
What can TTS-1 HD do?
On PopNow, TTS-1 HD works in these modes: Text to Speech. Pick one in the studio and add a prompt or an upload.
Do I need to install anything to use TTS-1 HD?
No. TTS-1 HD runs in your browser on PopNow: write a prompt or add a file, choose the settings and download the result. Sign up and you can generate straight away.

