← Voice
A
OpenAI Realtime / TTS
Speech-to-speech and text-to-speech APIs.
Pricing
API usage-based (per token / per minute; see pricing page).
Free tier
No
Why A tier
Low-latency voice agents from a single API.
Last verified: 2026-10-15 against the official pricing page. Prices change, so confirm before buying.Official site →
