GPT-4o mini TTS API Pricing
Short answer
GPT-4o mini TTS costs $0.60/M text tokens + $12/M audio tokens. Last verified 2026-06-21 from developers.openai.com. Confidence: Verified.
GPT-4o mini TTS is OpenAI's instruction-controllable speech model for natural narration and application voices.
TTS pricing
$12.00 /1M audio tokens
Price detail$0.60/M text tokens + $12/M audio tokens
Capabilities
Speech / billing specToken billing; streaming speech endpoint
Modalitytext → speech
ChannelOfficial API
ProviderOpenAI
Best for
TTSControllableStreaming
OpenAI bills text input and generated audio separately. The model page lists $0.60/M text tokens and $12/M audio tokens; no prompt-cache rate is listed.
Last checked Verified
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