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Operational story trace

Gemini 3.8

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DeepMind shipped two new Gemini 3.8 text-to-speech models, gemini-3.8-flash-tts and gemini-3.8-flash-lite-tts, with a library of over 2,000 voices, and Simon Willison had a playground for trying them live the same day.

Earlier contextThe story so far

Google DeepMind launched Gemini 3.8 Live with an Extended Thinking mode on September 15, adding real-time reasoning to the 3.8 line's voice and video agent capabilities.

editor-curated · source-linked

Arc

Sep 15Sep 23 · now
LAUNCH · Sep 15
Gemini 3.8 Live ships with an Extended Thinking mode
1 source · show source ▾
NEW CAPABILITY · Sep 23
Two new Gemini 3.8 TTS models ship with 2,000+ voices
1 source · show source ▾
COMMUNITY · Sep 23
Simon Willison ships a playground for the new TTS voices
1 source · show source ▾

What to watch — open questions

  • Do the new TTS models support streaming synthesis for real-time voice agents, or batch-only output?
  • How does gemini-3.8-flash-lite-tts's latency and per-character cost compare to competing low-latency TTS APIs?
How this thread was built
editor wrote the arc · 3 beats

Storylines are threaded mechanically from the feed: stories that share a distinctive anchor across multiple days and sources. Each item links to its original source. The evidence trace, current state, and open questions are written by the editor routine and refreshed whenever a new beat lands.