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Generative AI Publication
Google Releases Gemini 2.5 (Stable) Models

Google Releases Gemini 2.5 (Stable) Models

Gemini 2.5 models are designed to reason through their thoughts before responding, leading to better performance and higher accuracy.

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Jim Clyde Monge
Jun 19, 2025
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Generative AI Publication
Generative AI Publication
Google Releases Gemini 2.5 (Stable) Models
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Google’s Gemini 2.5 Pro and Gemini 2.5 Flash are now stable and generally available. In case you missed it, a preview version of the 2.5 Pro model was released during the Google I/O event last month.

Alongside the two stable models, Google also announced the preview of Gemini 2.5 Flash-Lite — their fastest and most cost-efficient 2.5 model so far.

Gemini 2.5 models are designed to reason through their thoughts before responding, leading to better performance and higher accuracy. They feature a controllable thinking budget, allowing developers to decide when and how deeply the model should think before producing a response.

Gemini 2.5 (stable version) models. Image from Google
Gemini 2.5 (stable version) models. Image from Google

The upgraded Gemini 2.5 Pro model brings several major improvements, including:

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