Gemini 2.5: more thinking, more context

Google announced Gemini 2.5 Pro with reasoning capabilities and a 1 million-token context window at launch.

A larger window changes what can fit into a request. It does not remove the need to choose relevant material, verify citations, or measure whether the answer actually uses the supplied evidence.

Original explanatory graphic; data from the linked source.

Launch specification from March 2025; not a statement of current limits.