OpenAI Realtime API
OpenAI's low-latency speech-to-speech API for voice agents.
usage-based (API)
- Pricing model
- usage-based (API)
- Last verified
- Oct 15, 2026
Tier lists
Where OpenAI Realtime API is ranked, and why. Every placement is provisional.
First-party speech-to-speech models; pairs with the Agents SDK.
provisional
Related tools
Other tools on the same provisional lists.