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Google announces Gemini 3.8 Live and Extended Thinking with staged access

Google announced Gemini 3.8 Live and Gemini 3.8 Live Extended Thinking, describing live voice interaction, visual context and background task handling. The detailed access list places both models in the Gemini API and Google AI Studio, but enterprise access is private preview and some enterprise and Workspace releases are still described as coming soon. [1]

Published 15 Sept 20264 min1 sourcesOriginal synthesis only
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Abstract editorial illustration with layered translucent modules and interlocking abstract blocks representing A narrowly framed update can help readers distinguish Google’s announced live-dialogue capabilities from the more limited and tier-dependent access conditions stated in the announcement.
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Google announced Gemini 3.8 Live and Gemini 3.8 Live Extended Thinking on September 15, 2026. Its announcement presents the first model as a live-dialogue option and the second as an option for more complex, multi-step work, while availability varies by Google product and account type. [1]

01

What we know now

  • 01

    [1] Google, “Introducing Gemini 3.8 Live and 3.8 Live Extended Thinking,” 15 September 2026. Primary source: https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-8-live-gemini-3-8-live-extended-thinking.

  • 02

    Google’s announcement is the only supplied source; product capabilities, scores and rankings are attributed to Google.

02

DATA / PROCESSAccess routes stated by Google
01Rolling out

Gemini 3.8 Live developer route

Google says rollout starts in the Gemini API and Google AI Studio.
02Specified tiers

Gemini 3.8 Live Extended Thinking consumer routes

Google lists Gemini Live, Docs for specified Google AI tiers, and Gmail and Keep for Google AI subscribers.
03Private preview

Enterprise status

Gemini Enterprise is private preview; some enterprise and business-customer releases are described as coming soon.

Availability labels reflect Google's September 15 announcement and do not establish country, account, pricing or quota eligibility. [1]

03

What Google announced

Google introduced two live-dialogue models: Gemini 3.8 Live and Gemini 3.8 Live Extended Thinking. The company characterises the former as combining conversational interaction with visual context, and the latter as adding more capacity for complex workflows. These are Google’s product descriptions, not independently confirmed performance findings. [1]

  • Google says 3.8 Live is designed for fluid dialogue, visual grounding, near-real-time processing of visual input, and background tool or API execution while a conversation continues. [1]
  • Google says it can automatically switch during a conversation among 97 supported languages. [1]
  • Google describes Extended Thinking as intended for higher-complexity work with multi-step reasoning. It says the model can continue speaking while reasoning and narrate progress while background tasks run. [1]
Source 01

04

Access routes: rollout, preview and coming soon

The announcement says the rollouts begin September 15, but this does not mean every route is broadly available at once. In particular, the enterprise route is labelled private preview, while the Customer Experience and Workspace business-customer routes are labelled coming soon. Readers should distinguish those labels from developer and listed consumer-product routes. [1]

  • For 3.8 Live, Google lists the Gemini API and Google AI Studio for developers, Search Live for everyone, and private preview in Gemini Enterprise. Gemini Enterprise for Customer Experience is described as coming soon. [1]
  • For Extended Thinking, Google lists the Gemini API and Google AI Studio for developers; private preview in Gemini Enterprise; and Gemini Live for everyone. [1]
  • Google also lists Extended Thinking in Workspace through Docs for Google AI Pro and Ultra subscribers, and through Gmail and Keep for all Google AI subscribers. It says Gemini Enterprise for Customer Experience and Google Workspace business customers are coming soon. [1]
Source 01

05

Reported testing and audio marking

These figures and positions are reported by Google in its own announcement. The supplied material does not include underlying benchmark documentation or independent testing, so they should not be read as independently verified comparisons. Likewise, the supplied evidence does not independently establish how SynthID is implemented or how effective it is. [1]

  • Google reports 82.6 on Artificial Analysis’ Speech to Speech Quality Index, 68.6% on τ-Voice, 35.1% on Sierra’s τ-Voice-banking benchmark, and 97.7% on Big Bench Audio for Extended Thinking. [1]
  • Google also reports that 3.8 Live placed second in Speech Agent Arena. [1]
  • Google says audio generated by its AI products carries SynthID watermarking, which it describes as imperceptible and intended to support detection of AI-generated audio. [1]
Source 01

06

What to check before using it

Google describes a staged rollout, so access should be confirmed in the relevant product rather than assumed from the announcement. [1]

  1. 01

    Developers can check the Gemini API and Google AI Studio for 3.8 Live and 3.8 Live Extended Thinking availability. [1]

  2. 02

    Enterprise users should treat Gemini Enterprise access as private preview; the Customer Experience release is described as coming soon. [1]

  3. 03

    Workspace users should check their subscription and product surface: Extended Thinking is listed for Docs for Google AI Pro and Ultra subscribers, and Gmail and Keep for all Google AI subscribers. Business-customer availability is described as coming soon. [1]

  4. 04

    Check applicable pricing, quotas, rate limits, country availability and account eligibility separately, as the announcement does not state them. [1]

07

Limits of this edition

  • This is based on one first-party Google announcement; its capability, benchmark, ranking and SynthID claims were not independently verified in the supplied evidence. [1]

  • The announcement does not specify country coverage, pricing, quotas, rate limits, detailed API documentation, exact account eligibility, or timing for rolling, private-preview and coming-soon access. [1]

  • Google links to a model card, but the model card itself was not supplied, so its safety details, limitations and evaluations are not covered here. [1]

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