Gemini 3.8 Flash and Gemini 3.8 Flash Cyber is a Large Language Models (LLMs) tool. Fast AI model for coding, agents, and reasoning with cybersecurity variant. Key features include Advanced Software Engineering, Agentic Task Performance, and Multimodal Input Support. Best for software developers and engineers, data scientists and analysts and scientists and researchers.
About Gemini 3.8 Flash and Gemini 3.8 Flash Cyber
Key Features
<strong>Advanced Software Engineering.</strong> Gemini 3.8 Flash scores 54.9% on the DeepSWE benchmark, outperforming most larger frontier models in solving complex engineering problems end to end at a fraction of the cost.
<strong>Agentic Task Performance.</strong> The model runs extra reasoning steps and calls tools iteratively on complex tasks, approaching the performance of higher-cost frontier models while maintaining Flash speed and pricing.
<strong>Multimodal Input Support.</strong> Gemini 3.8 Flash accepts text, images, audio, and video files with a 1 million token context window and 64,000 token maximum output, making it suitable for diverse workflows.
<strong>Cybersecurity Variant.</strong> Gemini 3.8 Flash Cyber demonstrates frontier-level performance in autonomous vulnerability discovery across 20 programming languages and generates validated code fixes automatically after finding vulnerabilities.
<strong>Competitive Pricing.</strong> Both models are priced at $0.75 per million input tokens and $3.75 per million output tokens through December 31, 2026, with cached input available at just $0.075 per million tokens for high-volume users.
<strong>Tunable Reasoning Levels.</strong> Users can adjust thinking effort from low to high, controlling the balance between quality, cost, and latency to match specific workflow requirements without switching models.
Frequently Asked Questions
Gemini 3.8 Flash is Google DeepMind's most intelligent Flash model, released in September 2026. It delivers significant improvements in software engineering, agentic tasks, and multi-step reasoning compared to its predecessor, while maintaining the same speed and low cost. The model supports multimodal input and a 1 million token context window.
Gemini 3.8 Flash costs $0.75 per million input tokens and $3.75 per million output tokens through December 31, 2026. Starting January 1, 2027, pricing doubles to $1.50 per million input tokens and $7.50 per million output tokens. Cached input tokens are available at $0.075 per million tokens for enterprise users.
Gemini 3.8 Flash Cyber is a specialized variant focused on cybersecurity applications, specifically vulnerability detection and automated patching. It demonstrates frontier-level performance on the CyberGym benchmark and can navigate complex codebases across 20 programming languages. Access is restricted to trusted defenders through Google's Fairwind Program, including government authorities and critical infrastructure operators.
Gemini 3.8 Flash is best suited for developers running autonomous agents, long coding sessions, and complex enterprise workflows. It excels in quantitative and professional fields like finance and legal analysis. Teams that prioritize result quality over token efficiency will benefit most, especially for long-horizon software engineering and multi-step reasoning tasks.
