Google brings Gemini 4 Hydrogen to AI Mode in Search
First seen Nov 12 Updated Nov 13, 11:33 UTC Heat 40 high evidence
Google released Gemini 4 Hydrogen, now powering AI Mode in Search. Google says it handles multi-part questions, typos and highly specific requests. It is available in Search, the Gemini app and other Google products, and Simon Willison released llm-gemini 0.37 for it.
- What to do
- Upgrade to llm-gemini 0.37 and check the pricing table before choosing a Gemini 4 model.
- Who should care
- Developers using the Gemini API or the llm command-line tool.
Key facts
- Gemini 4 Hydrogen is the lowest-cost member of the Gemini 4 family, per Willison
- llm-gemini 0.37 released for the model
- Willison calls the Gemini 4 pricing scheme confusing
Model
Gemini 4 Hydrogen Google
- Input
- $1.50
- Output
- $7.50
- Context
- 1.04858M
- Released
- –
Prices in USD per 1M tokens.
| Benchmark | Score | Rank |
|---|---|---|
| LMArena Text | 1490.4 rating | #13 |
| LMArena WebDev | 1704.2 rating | #9 |
Context
Willison says Hydrogen's price is not far from the larger Carbon and Argon models.
Timeline
Coverage
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Google’s latest Search upgrade promises better answers to your most complicated questionstechcrunch.com · Techcrunch
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Google’s new Gemini model is better at understanding complicated questionstheverge.com · Theverge
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llm-gemini 0.37simonwillison.net · Simonwillison
Evidence
High evidence: the claim comes from an official source (the company or project itself), or at least two independent sites reported it.
Details written Nov 13, 11:32 UTC from the sources listed above.