Gemini 4 Argon references surface in Antigravity and CLI 1.3.3
A roundup says the Gemini app now offers low, medium and high thinking levels, free users are moved to Auto, Argon references appear in Antigravity and CLI 1.3.3, and Google is internally testing a Gemini 4 checkpoint codenamed Carbon.
GOOGLE NEWS 🔥: - The Gemini app now offers low, medium and high thinking levels to all users. - Free Gemini users can no longer pick a model and are moved to Auto, which sends most prompts to Flash-Lite. - Google is preparing a new Ultra mode for AI Studio Build, described as "Build with advanced skills and tools". - Gemini 4 Argon references now appear in both Antigravity, with low, medium and high reasoning efforts, and the new Antigravity CLI 1.3.3 build. - Antigravity CLI 1.3.3 is out with a new /plugin command for installing plugins that bundle skills, MCP servers, subagents, rules and hooks. - Google is reportedly testing a Gemini 4 checkpoint called "Carbon" internally, said to perform at Opus 5.5 level on coding.