Google Launches Gemini 4 Hydrogen, Replacing 3.8 Flash

At a glance

Google has released Gemini 4 Hydrogen, a new AI model that replaces the faster, cheaper Flash models. Paid subscribers and developers can use it now.

Key points

1. 1

   Google says Hydrogen runs about 2.5 times faster than 3.8 Flash even at its high thinking level.

2. 2

   Google says it cut fabricated claims by more than five times.

3. 3

   Google says its score on the Terminal-Bench coding test more than tripled that of 3.8 Flash.

4. 4

   It is now being added to Google Search, while the Gemini app opened first to paid subscribers.

Why it matters

If AI gets faster and cheaper, the experience changes for people using search, apps, and coding tools. These figures come from Google, so real performance needs to be tested firsthand.

Also reported by

• Google Gemini productsGemini 4 Hydrogen: everyday coding and agentic workflows for developers
• Google DeepMind blogIntroducing Gemini 4 Hydrogen