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Google Launches Gemini 3.8 Flash With Expanded Coding and Agentic Capabilities

September 2, 2026 at 14:27 EDT

Foundation Models
AI Agents
Software Dev & Coding

Google launched Gemini 3.8 Flash on September 2, positioning the Flash-tier model as a faster, lower-cost system for long-horizon software engineering, autonomous agents, and complex multi-step work. The release also introduces Gemini 3.8 Flash Cyber, a restricted variant for trusted cybersecurity defenders.

September 2, 2026 · Google

Gemini 3.8 Flash targets agentic coding

Google’s new Flash model combines stronger software engineering and multi-step reasoning with introductory pricing built for scale.

$0.75

Input price per million tokens

90.8%

Terminal-bench 2.1 score

Context window, in tokens

Thinking levels: low, medium, high

Coding benchmark progress

Terminal-bench 2.1 · each block represents roughly 10 percentage points

90.8%

Gemini 3.8 Flash

81.6%

Gemini 3.7 Flash

Takeaway: the new model posts a clear gain on a long-horizon coding evaluation.

What improves

Software engineering, autonomous agents, tool use, and specialized multi-step reasoning.

What to watch

Higher effort can consume more tokens, while public head-to-head proof against Opus 5 remains limited.

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