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# voice-ai → real-time-transcription → developer-tools → speech-to-text → gemini-api

1 link tagged with all of: voice-ai + real-time-transcription + developer-tools + speech-to-text + gemini-api

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Build real-time voice applications with Gemini 3.8 Live and 3.5 Transcribe

Google launched two new speech models for developers: Gemini 3.8 Live handles real-time voice conversations with reasoning and background tool execution, while Gemini 3.5 Transcribe converts speech to text across 85+ languages with a 4.0% error rate.
  • Gemini 3.8 Live can execute API calls in the background while streaming audio responses, handle visual context, and support 97+ languages with accent consistency
  • Gemini 3.5 Transcribe achieves 4.0% word error rate (streaming) and 2.6% (non-streaming), with automatic code-switching and custom vocabulary biasing for domain-specific terms
  • Extended Thinking variant adds multi-step reasoning capabilities, ranking #1 on Artificial Analysis' Speech-to-Speech leaderboard
  • Google's full audio suite includes speech translation (70+ languages), text-to-speech, and music generation all available in the Gemini API
Last saved Sep 16, 2026 · 2 min read
voice-ai speech-to-text gemini-api real-time-transcription developer-tools