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Gemini 3.8 Live Extended Thinking

Gemini 3.8 · Released 2026-09-15

Google's 15 Sep 2026 high-reasoning Live API twin. Same 128K / 64K window and paid audio list as 3.8 Live ($3 / $12 per 1M tokens). Configurable thinking_level low/medium/high; async tools only. Knowledge cutoff January 2025.

Live voice agent for multi-step background reasoning and non-blocking tool calls while the spoken turn stays in motion.

Composite—
Context131K
Input / 1M$3.0
Output / 1M$12
Knowledge cutoff2025-01-01
Statussolid
Gemini
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Editor's note
Recorded from Google's 15 Sep 2026 Live announcement, the Extended Thinking API page, Live pricing, and the DeepMind 3.8 Audio model card.
Benchmark placements

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No benchmark rows yet for Gemini 3.8 Live Extended Thinking.

Family context

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Family coverage

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Price vs. performance
0255075100$0.10$0.30$1$3$10$30input USD / 1M tokens · log scale →← intelligence

Hover any dot for name, score, and input price. Keyboard: tab through the top twelve, or use the ranking below.

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Full benchmark ledger

Every catalog benchmark for Gemini 3.8 Live Extended Thinking. Scores link to the original source; gaps mean no public row exists yet.

0 sourced rows

0 of 13 catalog benchmarks have a sourced row for Gemini 3.8 Live Extended Thinking.

Changelog
  1. Gemini 3.8 Live Extended Thinking GA on the Live API, Gemini Live, and Workspace Docs/Gmail/Keep for eligible Google AI plans. Model ID gemini-3.8-live-extended-thinking.
Sources

Questions this model page answers

Every answer below is assembled from the dated fields on this page. Nothing is written separately for search.

What is Gemini 3.8 Live Extended Thinking?

Gemini 3.8 Live Extended Thinking is a Google model: Google's 15 Sep 2026 high-reasoning Live API twin. Same 128K / 64K window and paid audio list as 3.8 Live ($3 / $12 per 1M tokens). Configurable thinking_level low/medium/high; async tools only. Knowledge cutoff January 2025.

What is Gemini 3.8 Live Extended Thinking for?

Live voice agent for multi-step background reasoning and non-blocking tool calls while the spoken turn stays in motion.

What does Gemini 3.8 Live Extended Thinking cost?

Gemini 3.8 Live Extended Thinking lists $3.0 input and $12 output per 1M tokens. Pricing last checked 2026-09-18.

How large is the Gemini 3.8 Live Extended Thinking context window?

Gemini 3.8 Live Extended Thinking publishes a 131K token context window.

What is the VerdictPal status of Gemini 3.8 Live Extended Thinking?

Gemini 3.8 Live Extended Thinking carries Solid status on the model atlas.

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