• Added Gemini 4 Hydrogen for free and paid API plans, with low, medium, high, and xhigh thinking levels.
• Added Gemini 4 Argon and Carbon for paid API plans, with low, medium, and high thinking levels.
• New models are available in Chat and Workflows, with PDF input and tool calling support.
• Workflow “thinking off” settings map to low for Gemini 4 models.
• Updated the Google Gen AI SDK to 2.32.0.