Gemini 3.8 Flash: Complete Guide, Benchmarks, and Cyber Variant

Illustration: Google’s third Flash release in six weeks, built for long-running agentic loops. Google launched Gemini 3.8 Flash and Gemini 3.8 Flash Cyber on September 2, 2026 — the third Flash release in just six weeks. 3.8 Flash claims the best publicly listed scores on DeepSWE v1.1 among Flash-cl