OpenAI: GPT-Live-1 completes 83.6% of voice-agent tasks first try vs 45.7% for GPT-Realtime-2.1
OpenAIDevs · x · 2026-09-11
OpenAI's dev account published production benchmarks for GPT-Live-1: paired with GPT-6 Astra at medium reasoning effort, it completed 83.6% of Tau3 voice-agent tasks (airline/retail/telecom) on first attempt vs 45.7% for GPT-Realtime-2.1; scored 38.1% on TauBanking (document retrieval + tool use); and hit 97.3% on Artificial Analysis's Conversational Dynamics benchmark for turn-taking and interruption handling.
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