OpenAI releases GPT-realtime and general-availability Realtime API
OpenAI released GPT-realtime with speech-to-speech reasoning, image input, asynchronous function calls, remote MCP support and SIP connectivity as the Realtime API reached general availability.
TOWARD DOOM42confidence 92/100
Why it moved the index
Native voice interaction, tool calls, remote MCP and telephony connectivity materially expanded a deployed model's ability to act through real-time external systems.
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AUDIT TRAIL
Assessment history
- R1Toward 42 · confidence 92
New exact August 2025 model and API release corroborated by the required OpenAI Developers Realtime note; no durable collision.
12 Aug 2026