Gemini 2.5 Pro Experimental (March 2025)
Closed
Google introduced Gemini 2.5 Pro Experimental on March 25, 2025. The post offered access in AI Studio and the Gemini app for Advanced users, while Vertex AI remained forthcoming. It reported a one-million-token context window; a two-million window was still planned.
Benchmark scores
Access
Historical experimental access through AI Studio and Gemini Advanced was offered at announcement. The page says it was updated March 26 for evaluation results; that update is not a separate model launch. An API launch date, exact checkpoint, later GA and present retirement were not established.