Google · voice model
Gemini 3.8 Live Extended Thinking
Gemini 3.8 Live Extended Thinking is a Google voice model released Sep 15, 2026; Google's newest voice model in our dataset is Gemini 3.8 Flash TTS. Proprietary, API access only. Google's high-reasoning audio-to-audio Live API model with background reasoning, generally available since Sep 15, 2026. Verified against vendor sources on Oct 26, 2026.
Reported Last verified · All models · JSON · Markdown
- ReleasedSep 15, 2026
- Context window131K131,072 tokens
- Max output66K65,536 tokens
- LicenceProprietaryProprietary (API)
InTextImageAudioOutTextAudio
Key facts
| Fact | Value | Source |
|---|---|---|
| Vendor | n/a | |
| Released | Sep 15, 2026 | source |
| Status | generally available | n/a |
| API id | gemini-3.8-live-extended-thinking | source |
| Context window | 131,072 tokens (131K) | source |
| Max output | 65,536 tokens | source |
| Input | text, image, audio | source |
| Output | text, audio | source |
| Licence | Proprietary (API) | source |
Where Gemini 3.8 Live Extended Thinking sits in our data
- Released Sep 15, 2026 (week 38 of 2026), in September 2026. Other models in our data released that month: GPT-6.1 Sol, Claude Sonnet 5.5, Claude Opus 5.5, Gemini 3.8 Flash TTS, Gemini 3.8 Flash-Lite TTS, GPT-6 Luna.
- The previous Google model we track is Gemini 3.8 Flash (Sep 2, 2026), 13 days earlier.
- Of the 60 models in our data with a published context window, Gemini 3.8 Live Extended Thinking has the number 52 largest (131K tokens). Our data is not every model on the market.
- Google tools we cover: Gemini Notebook, Google ADK, Gemini CLI.
- All releases by date: AI model releases by month · new AI models this week.
How Gemini 3.8 Live Extended Thinking differs from Gemini 3.8 Live
Read from the recorded facts of the two models, not from a head-to-head test. We have not run either.
- We have no recorded price for Gemini 3.8 Live Extended Thinking; Gemini 3.8 Live has one.
- Gemini 3.8 Live Extended Thinking lists a 131K-token context window; we have none recorded for Gemini 3.8 Live.
- Input is text, image, audio, against text, audio for Gemini 3.8 Live.
- Both were released on Sep 15, 2026.
- Facts for the other model: Gemini 3.8 Live.
What we tested
Nothing yet. We have not run Gemini 3.8 Live Extended Thinking ourselves, so every fact on this page is Reported from the sources below. When we do test it, the scope will be stated here and in our test logs. See methodology.
Sources
More from Google
- Gemini 3.8 Live (Sep 15, 2026)
- Gemini 3.8 Flash TTS (Sep 22, 2026)
- Gemini 3.8 Flash-Lite TTS (Sep 22, 2026)
- Gemini 3.8 Flash (Sep 2, 2026)
- Gemini Omni 1.1 Flash (Aug 27, 2026)
- Gemini 3.5 Transcribe (Aug 26, 2026)
- Nano Banana 2.1 (Oct 6, 2026)