Uploaded May 2025 | Updated September 2026, 1 week ago
Watch as Tong He, a research scientist at Google DeepMind, introduces the new Gemini 2.5 Pro Deep Think, an enhanced reasoning mode that uses parallel thinking techniques.
See how Deep Think uses its reasoning capabilities to tackle a challenging coding problem from the competitive coding platform ‘Codeforces’.
Learn more at https://blog.google/technology/google-deepmind/google-gemini-updates-io-2025/
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Watch as Tong He, a research scientist at Google DeepMind, introduces the new Gemini 2.5 Pro Deep Think, an enhanced reasoning mode that uses parallel thinking techniques.
See how Deep Think uses its reasoning capabilities to tackle a challenging coding problem from the competitive coding platform ‘Codeforces’.
Learn more at https://blog.google/technology/google-deepmind/google-gemini-updates-io-2025/
---
Subscribe to our channel / @googledeepmind
Find us on X / googledeepmind
Follow us on Instagram / googledeepmind
Add us on Linkedin / deepmind
![Project Mariner | Solving complex tasks with an AI agent in the Chrome browser [full length]](https://i.ytimg.com/vi/KDnij5Q6j1U/mqdefault.jpg "Project Mariner | Solving complex tasks with an AI agent in the Chrome browser [full length]
This video has not been edited or sped up for the purposes of the demo. See the shorter, sped up version here: https://youtu.be/2XJqLPqHtyo
Project Mariner is an early research prototype built from Gemini 2.0 that explores the future of human-agent interaction within the Chrome browser. Though in the early stages, it can understand and reason across various web elements, using that information to complete tasks via an experimental Chrome extension.
Learn more about Project Mariner: deepmind.google/project-mariner
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