Introducing Gemini 3.8 Flash and 3.8 Flash Cyber

Source: Google DeepMind Blog By Tulsee Doshi Updated
Image: Google DeepMind Blog

Our newest Gemini models deliver next-generation intelligence for agentic workflows and cybersecurity. Building on the momentum of 3.7 Flash from three weeks ago and marking our third Flash release in only six weeks, today we’re introducing Gemini 3.8, our best reasoning and coding model yet, at the same speed and low cost of 3.7. Gemini…

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Summary

Google DeepMind released Gemini 3.8 Flash, a faster and cheaper model that matches or exceeds the performance of larger frontier models on complex reasoning and coding tasks. This update, the third Flash release in six weeks, offers two variants: 3.8 Flash for general use and 3.8 Flash Cyber for cybersecurity. Both leverage advanced reasoning and coding capabilities, with 3.8 Flash demonstrating significant gains in areas like software engineering and finance benchmarks. The model works harder on complex tasks, using more reasoning steps and tools.

Why it matters

Why it matters: Gemini 3.8 Flash signifies Google's rapid iteration in delivering high-performance AI at lower costs, directly challenging established frontier models. The cybersecurity variant, 3.8 Flash Cyber, offers specialized capabilities for vulnerability discovery and patching, impacting enterprise security teams and researchers. Its performance on benchmarks like DeepSWE and CyberGym suggests a competitive edge. Future developments will likely focus on further refining these agentic capabilities and expanding access to specialized variants, pushing the boundaries of AI in critical domains.

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Where the other five stand

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Hype check
4/5Big

Rated high: a launch, deal or policy change that changes what you can do or what it costs.

Who's talking about it
Prior coverage our earlier items on the same thing
Published
Updated
Sep 3, 2026
Source
Google DeepMind Blog (deepmind.google)
Author
Tulsee Doshi
Company
Google · Official · Research
Products
Gemini 3.8 Flash, Gemini 3.7 Flash, Gemini 3.8 Flash Cyber, Gemini 3.5 Flash Cyber
Summary by
Subvolts, using an AI model (how we work). Spotted a mistake? Tell us.

Questions people ask

What is new with Gemini 3.8 Flash?
Gemini 3.8 Flash is Google's latest reasoning and coding model, offering improved performance over 3.7 Flash at the same speed and cost. It features two variants: 3.8 Flash and 3.8 Flash Cyber.
How does Gemini 3.8 Flash perform on benchmarks?
Gemini 3.8 Flash shows strong performance, outperforming larger frontier models on tasks like autonomous software engineering and finance analysis. Gemini 3.8 Flash Cyber achieves frontier-level performance in autonomous vulnerability discovery.
What is the difference between Gemini 3.8 Flash and 3.8 Flash Cyber?
Gemini 3.8 Flash is for general use, excelling in reasoning and coding. Gemini 3.8 Flash Cyber is specialized for cybersecurity, focusing on vulnerability discovery and patching for defenders.

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Page generated Sep 3, 2026. Summaries are Subvolts' own; the story belongs to Google DeepMind Blog.