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Google's Gemini 4 Hydrogen outscores the bigger Argon just four weeks after its launch

The Decoder · By Matthias Bastian ·

Google's Gemini 4 Hydrogen outscores the bigger Argon just four weeks after its launch

The Brief · written from 9 sources

  • Google launched Gemini 4 Hydrogen on 2026-11-12, available in AI Studio, the Gemini API, Google Search, and paid AI Pro and Ultra tiers in Antigravity.
  • Hydrogen is priced at $1.50 per 1M input tokens and $7.50 per 1M output tokens.
  • Hydrogen replaces the Flash series, and The Decoder reports it outscores the larger Argon model on the Artificial Analysis Intelligence Index.

Why it matters

Developers using the Gemini API or AI Studio get a new model with published per-token pricing, and teams relying on Flash models will need to evaluate the replacement. Vercel AI Gateway also lists the model.

Who’s affected

  • Developers using the Gemini API
  • Teams using AI Studio or Google Antigravity
  • Vercel AI Gateway users

What to do

  1. Evaluate Gemini 4 Hydrogen against your current Flash or Argon model if you rely on those for cost or latency reasons.

Google's Gemini 4 Hydrogen replaces the Flash series, but benchmarks suggest it also makes the pricier Argon obsolete. On the independent Artificial Analysis Intelligence Index, Hydrogen nearly matches Claude Sonnet 5.5 for less money but costs about 2.5 times more per task than…

Read the full story at the-decoder.com ↗

Timeline

  1. Google unveils Gemini 4 Hydrogen and makes it available across AI Studio, the Gemini API, Search, and Antigravity

  2. Vercel News

    Gemini 4 Hydrogen now available on AI Gateway

  3. AI

    Google Search gets a major upgrade with Gemini 4 Hydrogen

  4. Google DeepMind News

    Introducing Gemini 4 Hydrogen

  5. Hacker News: Front Page

    Gemini 4 Hydrogen · +1 reply

  6. Techmeme

    Google launches Gemini 4 Hydrogen, built for rapid execution across diverse agentic workflows, priced at $1.50/1M input tokens and $7.50/1M output tokens (Koray Kavukcuoglu/Google)

  7. Techmeme

    Google says Gemini 4 Hydrogen is available across AI Studio, the Gemini API, Search, paid AI Pro and Ultra tiers in Antigravity, and more (Abner Li/9to5Google)

  8. AI - Ars Technica

    Google rolls out Gemini 4 Hydrogen, finally replacing 3.8 Flash

  9. The Decoder

    Google's Gemini 4 Hydrogen outscores the bigger Argon just four weeks after its launch

Full coverage · 9 sources

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    Google's Gemini 4 Hydrogen outscores the bigger Argon just four weeks after its launch – The Morning Dev