TTS-1

ttsproprietary

TTS is a model that converts text to natural sounding spoken text. The tts-1 model is optimized for realtime text-to-speech use cases. Use it with the Speech endpoint in the Audio API.

Intelligence
Speed
Pricing
$15/1M tokens

Capabilities

vision
tool call
structured output
reasoning
json mode
streaming
fine tuning
batch

Details

Provider OpenAI
Creator openai
Familytts
Licenseproprietary
Parameters
Statusactive
Input modalitiestext
Output modalitiesaudio
Architecture
Knowledge cutoff
Training data cutoff
Release date
Deprecation date
Typetts
Reasoning tokens
Max input
Open weightNo
Sourceofficial
Last updated

Endpoints

SpeechPOST
Convert text to spoken audiohttps://api.openai.com/v1/audio/speech

Pricing

PricingPer 1M tokens
Cost
Standard$15

Family Comparison: tts

ModelContextMax outPricing
TTS-1 HD
TTS-1

API

GET/v1/models/openai/tts-1