Google releases Gemini 4 Hydrogen, replacing 3.8 Flash
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On November 13, 2026, Google DeepMind released the Gemini 4 Hydrogen model. According to Google DeepMind, the model targets everyday coding and agent workflows. Pricing is $1.50 per million input tokens and $7.50 per million output tokens, with a 1M token context window at the same price throughout. Later reports the same day stated that the model is positioned to replace the faster, cheaper Flash series, and Google has fully replaced Gemini 3.8 Flash across its products with it, unlike the earlier Argon and Carbon, which were first limited to safety researchers and high-priced subscription users. So far, apart from the release information, pricing, and replacement arrangements, there have been no further follow-up reports.
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- Ars Technica · AISelectedGoogle rolls out Gemini 4 Hydrogen, finally replacing 3.8 Flash
Google has launched Gemini 4 Hydrogen, positioned to replace the faster, cheaper Flash series, and has fully swapped it in for Gemini 3.8 Flash across its products, without first restricting access to safety researchers and high-tier subscribers the way Argon and Carbon did.
- Google DeepMindSelectedIntroducing Gemini 4 Hydrogen
Google DeepMind has released Gemini 4 Hydrogen, aimed at everyday coding and agent workflows, priced at $1.50 per million input tokens and $7.50 per million output tokens, with a flat rate across the full 1M token context window.
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