FrontierThe story, in brief
Introducing Gemini 2.5 Flash
Google just shipped the first hybrid reasoning model. Developers can now toggle thinking on or off—trading speed for accuracy in real time.
The KeyNews take
Why it matters
Gemini 2.5 Flash introduces a new capability tier: reasoning-on-demand. This hybrid approach lets developers optimize for latency vs. accuracy per query, fundamentally changing how AI applications are architected.
The key facts
4 to knowGemini 2.5 Flash is Google's first fully hybrid reasoning model
Developers can toggle reasoning on or off per request
Addresses the speed-vs-accuracy tradeoff in production AI systems
Published April 17, 2025 on Google DeepMind official blog
Go to the source
Google DeepMind Blogdeepmind.google
Publisher excerpt: Gemini 2.5 Flash is our first fully hybrid reasoning model, giving developers the ability to turn thinking on or off.