arstechnica.com/google/2026/11/google-rolls-out-gemini-4-hydrogen-finally-replacing-3-8-flash Google rolls out Gemini 4 Hydrogen, finally replacing 3.8 Flash
Google has rolled out Gemini 4 Hydrogen as the replacement for Gemini 3.8 Flash across its products, with access beginning immediately. Google claims the new model is 2.5 times faster than Flash 3.8 in high mode, cuts fabricated claims by more than 5x, and more than triples Flash's Terminal-Bench score.
