CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins82% CONFIDENCEOverall confidence: 82%How well the pin's source and references back up its dates.Weighted average of how firmly 2 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
- Start
- Mar 25, 202590% CONFIDENCEsource
Gemini 2.5 Pro Released
Google releases an experimental Gemini 2.5 Pro, its first 2.5 model and a thinking model that scores 18.8% on Humanity's Last Exam and 63.8% on SWE-Bench Verified with a 1 million token context window.
- Google released Gemini 2.5 on 25 March 2025, starting with an experimental 2.5 Pro that it called its "most intelligent AI model", now with thinking built in[1]
- 2.5 Pro scores a state-of-the-art 18.8% on Humanity's Last Exam without tools and 63.8% on SWE-Bench Verified with a custom agent setup[1]
- Google said it was available that day in Google AI Studio and in the Gemini app for Gemini Advanced subscribers[1]
Notable features
- All future Gemini models will be thinking models, reasoning through a response before answering[1]
- A 1 million token context window at launch, with 2 million coming soon[1]
- Strong on web apps and agentic code: Google showed a dinosaur game built from a single prompt, and reported a big leap over 2.0 on coding[1]
Buy onGemini