A Google engineer's public side project maps Gemini 4 Hydrogen to the Flash tier and an unannounced Gemini 4 Helix to Flash-Lite
AI-generated summary A public GitHub commit by a Google engineer's personal project mentions unannounced Gemini 4 models named Gemini 4 Hydrogen and Gemini 4 Helix. The commit maps Gemini 4 Hydrogen to the Flash tier and Gemini 4 Helix to the Flash-Lite tier.