Gemini 2.5 Ultra
Google DeepMind · July 2026
● activeClosedmixture of expertsmultimodal
Description
The most capable variant of the Gemini 2.5 series, showing substantial gains in scientific reasoning and multi-step complex tasks.
Key Innovations
Reasoning
ReasoningStructured step-by-step problem solving, often using chain-of-thought or tree-of-thought approaches.
Agentic
AgenticModels that can autonomously plan, execute multi-step tasks, use tools, and self-correct without human intervention.