TTS-1
$15 a month
Text-to-speech model optimized for speed · Speech generation through the Audio API
Checked 20 Sep 2026
Plans and prices
OpenAI Text-to-Speech pricing
TTS-1 HD
$30 a month
Higher-quality text-to-speech model
Checked 20 Sep 2026
GPT-4o Mini TTS API usage
$0.60 a month
maximum 2,000 input tokens · Free tier not supported
Checked 7 Oct 2026