GPT-4o Mini TTS
JSON →A compact text-to-speech model in the GPT-4o family optimized for low-latency voice generation.
Specs
input price $2.5 / 1M tokens
output price $10 / 1M tokens
Capabilities
streaming
Dates
releasedMar 2025
Resources
API
full doc /v1/models/gpt-4o-mini-tts