Google Ships Gemini 3.8 Live and Extended Thinking, Tops Speech-to-Speech Quality Index at 82.6

Google launched Gemini 3.8 Live for cost-efficient conversational agents and Gemini 3.8 Live Extended Thinking for multi-step reasoning that reasons and speaks simultaneously. Extended Thinking took #1 on Artificial Analysis' Speech-to-Speech Quality Index at 82.6, hitting 68.6% on τ-Voice, 35.1% on Sierra's τ-Voice-banking and 97.7% on Big Bench Audio. Both models ship today via the Gemini API, AI Studio, Search Live, Gemini Enterprise private preview, and Workspace/Gmail/Keep.