GPT-4o Mini TTS
JSON →A compact text-to-speech model in the GPT-4o family optimized for low-latency audio generation.
Specs
input price $2.5 / 1M tokens
output price $10 / 1M tokens
Capabilities
streaming
Dates
releasedDec 2025
A compact text-to-speech model in the GPT-4o family optimized for low-latency audio generation.