{"slug":"gemini-3-8","label":"Gemini 3.8","item_count":6,"day_count":3,"source_count":4,"first_seen":"2026-09-15T17:05:57+00:00","last_updated":"2026-09-24T15:00:00+00:00","generated_at":"2026-10-05T10:03:31.182369+00:00","sources":["google_cloud_blog","google_deepmind_blog","philschmid","simon_willison"],"days":[{"date":"2026-09-15","items":[{"title":"Introducing Gemini 3.8 Live and 3.8 Live Extended Thinking","url":"https://deepmind.google/blog/introducing-gemini-3-8-live-and-3-8-live-extended-thinking","source":"google_deepmind_blog","type":"news","summary_1line":"Introducing Gemini 3.8 Live and 3.8 Live Extended Thinking","sid":"6aae488b1bb65e59","published":"2026-09-15T17:05:57+00:00","editor_note":"DeepMind's own announcement of Live and Extended Thinking, the capability this thread tracks."},{"title":"Gemini Live audio","url":"https://simonwillison.net/2026/Sep/15/gemini-live","source":"simon_willison","type":"news","summary_1line":"Tool: Gemini Live audio Google released Gemini 3.8 Live and 3.8 Live Extended Thinking today - two new speech-to-speech models that are a similar shape to OpenAI's GPT-Live family. I pointed GPT-6 Astra Extra High at...","sid":"9da1736b8159c9ab","published":"2026-09-15T22:47:07+00:00","editor_note":"Independent same-day comparison of Gemini Live against OpenAI's GPT-Live family."}]},{"date":"2026-09-23","items":[{"title":"Gemini 3.8 text-to-speech says hello","url":"https://deepmind.google/blog/say-hello-to-gemini-38-text-to-speech","source":"google_deepmind_blog","type":"news","summary_1line":"Gemini 3.8 text-to-speech says hello","sid":"721de6922a1a6b9f","published":"2026-09-23T15:25:14+00:00","editor_note":"DeepMind ships two new TTS models with a 2,000+ voice library."},{"title":"Gemini 3.8 TTS Playground","url":"https://simonwillison.net/2026/Sep/23/gemini-tts-playground","source":"simon_willison","type":"news","summary_1line":"Tool: Gemini 3.8 TTS Playground Google released two new Gemini text-to-speech models today - gemini-3.8-flash-tts and gemini-3.8-flash-lite-tts . They come with a library of over 2,000 voices, plus the ability to crea...","sid":"942f5e3b838f3db1","published":"2026-09-23T17:12:27+00:00","editor_note":"Independent playground for auditioning the new TTS voices, live the same day."}]},{"date":"2026-09-24","items":[{"title":"Gemini 3.8 TTS: replicate a voice, design a voice, direct every line","url":"https://www.philschmid.de/gemini-3-8-tts","source":"philschmid","type":"news","summary_1line":"Gemini 3.8 Flash TTS lets you replicate your own voice or design one from a sentence, then direct delivery line by line.","sid":"f97f900c55aaa2d8","published":"2026-09-24T00:00:00+00:00","editor_note":"Third-party walkthrough of voice replication and per-line delivery direction in the new TTS models."},{"title":"Power your agents: Gemini 3.8 Live with Live Avatar is now generally available","url":"https://cloud.google.com/blog/products/ai-machine-learning/gemini-3-8-live-with-live-avatar-is-now-generally-available","source":"google_cloud_blog","type":"news","summary_1line":"Following our announcement of Gemini 3.8 Live and Gemini 3.8 Live Extended Thinking last week, we are thrilled to share that Gemini 3.8 Live with Live Avatar is now generally available in Gemini Enterprise . First pre...","why_it_matters":"Matches feed focus: agentic.","sid":"321a943a4dd13ce0","published":"2026-09-24T15:00:00+00:00","sources":["google_cloud_blog","google_deepmind_blog"],"editor_note":"Live with Live Avatar exits preview, reaching general availability in Gemini Enterprise."}]}],"editorial":{"tldr":"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. It followed up on September 23 with two new Flash-tier text-to-speech models carrying a 2,000+ voice library.","stale":false,"whats_new":"Gemini 3.8 Live with Live Avatar reached general availability in Gemini Enterprise on September 24, a week after the Live and Extended Thinking launch.","why_it_matters":"GA status on Live Avatar plus the Flash-tier TTS pair lets agent builders wire reasoning, speech, and an avatar front-end into one voice agent on Gemini without stitching in a separate TTS or avatar vendor.","take_for_builders":"Building a voice agent on Gemini: try gemini-3.8-flash-lite-tts on latency-sensitive paths, use Willison's playground or philschmid's guide to audition voices, and check whether your Gemini Enterprise tier already includes GA Live Avatar before evaluating a third-party avatar vendor.","status":{"state":"Live with Live Avatar: GA","tone":"now","changed":"2026-09-24","detail":"Live with Live Avatar exited preview into general availability in Gemini Enterprise; the TTS model pair has been in general release since Sep 23."},"beats":[{"kicker":"LAUNCH","tone":"launch","headline":"Gemini 3.8 Live ships with an Extended Thinking mode","sids":["6aae488b1bb65e59","9da1736b8159c9ab"]},{"kicker":"NEW CAPABILITY","tone":"now","headline":"Two new Gemini 3.8 TTS models ship with 2,000+ voices","sids":["721de6922a1a6b9f"]},{"kicker":"COMMUNITY","tone":"rising","headline":"Developers build a TTS playground and a voice-direction guide","sids":["942f5e3b838f3db1","f97f900c55aaa2d8"]},{"kicker":"GENERAL AVAILABILITY","tone":"now","headline":"Live with Live Avatar goes GA in Gemini Enterprise","sids":["321a943a4dd13ce0"]}],"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?","Is Live Avatar available outside the Gemini Enterprise tier, or gated behind that tier's pricing?"],"generated_at":"2026-09-24T20:15:00Z"}}