Gemini 3.8 Live hits 1.18s Time to First Audio, 2.5x faster than its predecessor

ArtificialAnlys · x · 2026-09-16

Artificial Analysis shared latency data: Gemini 3.8 Live averages 1.18s Time to First Audio on Big Bench Audio (1.35s for Extended Thinking High), far better than Gemini 3.1 Flash Live High's 2.99s and marginally ahead of GPT-Realtime-2.1 High (1.21s). Only Grok Voice Think Fast 2.0 High (0.70s) is under one second.

Related event: Artificial Analysis: Gemini 3.8 Live tops voice agent benchmarks at record low cost(7 posts)→

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