
Source
OpenAI Realtime official documentation
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Realtime model API · Voice
API for low-latency audio conversations and application tools.

Choose for a custom conversational application where you control the integration.
Not a ready-made website guide or a dictation application.
Live audio; Instructions; Tool definitions
Audio/text responses; Tool calls
Realtime API plus application transport
Provider capabilities and historical Studio notes are distinguished below. Current account access, credits and runtime readiness were not tested.
Hosted plan or usage charges; current price not quoted.
Provider-hosted processing; check the selected route.
Coverage varies by model/feature; test the required language.
Strong fit for custom integration; requires more application work than a hosted agent builder.
Decision: Choose for a custom conversational application where you control the integration.
Not a ready-made website guide or a dictation application. Session behaviour, voices, access and supported models must be checked for the selected API release.
Official capability documentation; no listening benchmark
Catalogue review: 2026-09-05. The evidence note identifies what was verified. This date does not imply a fresh tool test or verification of every linked source.