Google has officially launched Gemini 3.8 Flash alongside a dedicated security variant, Gemini 3.8 Flash Cyber. Marking Google’s third Flash release in six weeks, the updated generation focuses on software engineering, multi-step reasoning, and long-horizon agentic workflows.

The standard Gemini 3.8 Flash delivers substantial benchmark improvements—including leading scores on coding evaluations like DeepSWE v1.1—matching or outperforming larger frontier models at a fraction of the cost. Developers can fine-tune “effort levels” per task, allowing the model to perform deeper, iterative reasoning loops for complex enterprise problems.

Meanwhile, Gemini 3.8 Flash Cyber is engineered specifically for defensive security teams. Offered to verified defenders via Google’s Fairwind Program, it excels at autonomous vulnerability discovery and patch generation across complex codebases.

Both models are now available through Google AI Studio, Vertex AI, and the Gemini API.