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Coverage· Unknown· Published Sep 7, 2026

Google launches Gemini 3.8 Flash, its third Flash model in six weeks, with a cybersecurity variant

Google released Gemini 3.8 Flash on September 2, 2026, alongside Gemini 3.8 Flash Cyber for cybersecurity defense. The model supports a context window of up to 1 million tokens, 64K-token outputs, and adjustable reasoning effort.

Coverage

DNA Brief

Signal Summary

Gemini 3.8 Flash follows Gemini 3.6 Flash and Gemini 3.7 Flash, making it the third Flash model released by Google within six weeks. Through the end of 2026, pricing is $0.75 per million input tokens and $3.75 per million output tokens. Google’s comparisons show the model ahead of Claude Opus 5 on some tests but behind it on some autonomous-operation and computer-use tests. The Cyber version is offered to trusted defenders through the Fairwind Program.

Why It Matters

The rapid sequence of three Flash releases shows Google is quickly extending the model line’s capabilities and use cases. Adding a defense-focused Cyber version broadens the release beyond general coding and reasoning workloads, while the mixed benchmark results mean the model’s suitability still depends on the task.

Evidence

Start with the primary evidence, then review supporting sources and context.

1 items

Primary Evidence

1
  • ai-automation.tscloud.com.twDocumentOriginal

    Gemini 3.8 Flash 正式發布：六週內第三支 Flash，還多了一個資安專用版本｜田中系統

    “Google 在 9 月 2 日正式發布 Gemini 3.8 Flash，同時推出一款專門的資安版本 Gemini 3.8 Flash Cyber。這篇整理官方公布的完整規格、benchmark 數據、價格，以及先前傳聞裡哪些說對了、哪些沒被證實。”
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