OpenAI opens realtime voice agents to paid developers
OpenAI launched the Realtime API in public beta, giving paid developers a persistent low-latency speech-to-speech interface with function calling powered by an exact GPT-4o Realtime Preview snapshot.
TOWARD DOOM58confidence 99/100
Why it moved the index
Public API access combined realtime audio interaction with function calling, materially widening the deployment surface for conversational agents that can trigger external actions.
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AUDIT TRAIL
Assessment history
- R1Toward 58 · confidence 99
New October 2024 realtime-agent API launch with an immutable model snapshot and no durable collision.
12 Aug 2026