Gemini 4 Hydrogen rolls out; free App access is automatic
The November 12 launch has different regional and payment conditions across web, mobile and API access.
Google announced Gemini 4 Hydrogen on November 12, 2026 and began a phased rollout. Individual account activation times are unknown. It targets everyday coding and agent work, not proven suitability for every task.
Gemini Apps: free personal accounts may use Hydrogen for suitable prompts with automatic model selection turned on, not guaranteed or manual access. The model table lists Google AI Plus, Pro and Ultra; work and school access depends on Workspace licensing and usage limits. Local subscription prices were not verified.
Developer API: standard paid pricing is US$1.50 per million input tokens and US$7.50 per million output tokens, including thinking. A limited free tier exists; tools can cost extra. Free API data may improve products: do not submit sensitive material. An App subscription does not imply included API credit.
Official web and Android lists include Hong Kong, Macau, Taiwan and Traditional Chinese. iOS and API regions differ; see the notes below. New-model activation and Traditional Chinese quality were not tested. Vendor speed claims are not treated as guaranteed results.
Additional official documentation:
https://support.google.com/gemini/answer/18648722
https://aistudio.google.com/docs/pricing
https://aistudio.google.com/docs/available-regions
https://support.google.com/gemini/answer/13575153?hl=en
https://support.google.com/gemini/answer/14579026?hl=en
https://support.google.com/gemini/answer/14579026?co=GENIE.Platform%3DiOS&hl=en
Gemini Apps: free personal accounts may use Hydrogen for suitable prompts with automatic model selection turned on, not guaranteed or manual access. The model table lists Google AI Plus, Pro and Ultra; work and school access depends on Workspace licensing and usage limits. Local subscription prices were not verified.
Developer API: standard paid pricing is US$1.50 per million input tokens and US$7.50 per million output tokens, including thinking. A limited free tier exists; tools can cost extra. Free API data may improve products: do not submit sensitive material. An App subscription does not imply included API credit.
Official web and Android lists include Hong Kong, Macau, Taiwan and Traditional Chinese. iOS and API regions differ; see the notes below. New-model activation and Traditional Chinese quality were not tested. Vendor speed claims are not treated as guaranteed results.
Additional official documentation:
https://support.google.com/gemini/answer/18648722
https://aistudio.google.com/docs/pricing
https://aistudio.google.com/docs/available-regions
https://support.google.com/gemini/answer/13575153?hl=en
https://support.google.com/gemini/answer/14579026?hl=en
https://support.google.com/gemini/answer/14579026?co=GENIE.Platform%3DiOS&hl=en
Usage conditions
- Hong Kong
- Hong Kong is listed for Gemini web and Android. It is not listed for iOS or AI Studio/Gemini API. Individual Hydrogen activation is unknown; age, device, plan and usage limits apply. Not tested.
- Macau
- Macau is listed for Gemini web and Android. It is not listed for iOS or AI Studio/Gemini API. Individual Hydrogen activation is unknown; age, device, plan and usage limits apply. Not tested.
- Taiwan
- Taiwan is listed for Gemini web and Android. It is also listed for iOS and AI Studio/Gemini API. Individual Hydrogen activation is unknown; age, device, plan and usage limits apply. Not tested.