Gemini 3.5 Pro
Google DeepMind · May 2026
● activeClosedmixture of expertsmultimodalAPI Available
Context Window2M tokens
Description
Google's premium reasoning flagship, unveiled at I/O 2026 with a limited rollout. Represents Google's most capable model for complex coding, analysis, and multi-step reasoning tasks. General availability expected by end of June 2026.
Key Innovations
Reasoning
ReasoningStructured step-by-step problem solving, often using chain-of-thought or tree-of-thought approaches.
Multimodal
MultimodalProcessing multiple types of input (text, images, audio, video) in a single model.
Long Context
Long ContextAbility to process very long inputs (100K+ tokens), enabling analysis of entire codebases or books.