TTS-1 API Pricing
Short answer
TTS-1 costs $15/M characters. Last verified 2026-06-21 from developers.openai.com. Confidence: Verified.
TTS-1 is OpenAI's legacy speed-optimized text-to-speech model for realtime playback.
TTS pricing
$15.00 /1M chars
Price detail$15/M characters
Capabilities
Speech / billing specSpeed-optimized; streaming
Modalitytext → speech
ChannelOfficial API
ProviderOpenAI
Best for
TTSLow latencyStreaming
Billed per input character. TTS-1 HD is the higher-quality sibling at twice the price.
Last checked Verified
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