# Google rolls out Gemini 4 Hydrogen, finally replacing 3.8 Flash

- URL: https://talkfuse.com/story/google-rolls-out-gemini-4-hydrogen-finally-replacing-3-8-flash/
- Published: 2026-11-12T19:23:03+00:00
- Updated: 2026-11-12T20:18:35+00:00
- Original publisher: Ars Technica
- Original article: https://arstechnica.com/google/2026/11/google-rolls-out-gemini-4-hydrogen-finally-replacing-3-8-flash/
- Topics: Climate, Science

## Key points

- Hydrogen replaces Gemini 3.8 Flash across Google products.
- Google says it is 2.5 times faster and makes fewer fabricated claims.
- Free and AI Plus app users do not yet get Hydrogen.

## Summary

Google has rolled out Gemini 4 Hydrogen, replacing Gemini 3.8 Flash across its products. The model is designed to bring faster, cheaper AI to everyday tasks and developers, while also powering a major update to Google Search.

Google says Hydrogen is 2.5 times faster than 3.8 Flash even at high thinking mode, and makes more than five times fewer fabricated claims. It more than triples Flash’s Terminal-Bench coding score and scores 54 on the Artificial Analysis Intelligence Index in xhigh mode, compared with Argon’s 50. Hydrogen is available in Search and to AI Pro and Ultra subscribers in the Gemini app and AI Studio; free and AI Plus users there remain on Flash-Lite. API prices are unchanged at $1.50 per million input tokens and $7.50 per million output tokens.

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Summarised by TalkFuse (https://talkfuse.com/). Quote the original publisher for the reporting and link this page for the summary and discussion.