Gemini 4 Hydrogen

Gemini 4 Hydrogen

Google
5.0 out of 5 stars
Hy4

Hy4

Tencent
Gemini 4 Hydrogen Hy4

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Gemini 4 Hydrogen:

About

Gemini 4 Hydrogen is an advanced multimodal artificial intelligence model developed by Google DeepMind for fast, efficient reasoning, software development, and autonomous AI workflows. Adapted from Gemini 4 Carbon, the model combines frontier-level intelligence with optimized performance for coding, research, and everyday productivity tasks. It supports text, images, audio, and video inputs with a unified context window of up to one million tokens. Gemini 4 Hydrogen provides four configurable thinking levels that allow users to balance processing speed with reasoning depth for different workloads. Its capabilities include iterative code generation, debugging, web development, computer use, multimodal analysis, and executing complex tasks through AI agents. Available through Google's Gemini ecosystem, the model helps developers, businesses, and individuals automate workflows, analyze information, and build intelligent applications.
Hy4:

About

Hy4 preview is a new-generation open source Mixture-of-Experts flagship model built for real-world productivity tasks across software engineering, office work, game development, and scientific research. The model contains 770B total parameters with 49B activated per token and supports a 1M-token context window, giving it the capacity to work through large codebases, extensive document collections, and long multi-step tasks. Its 78-layer architecture combines Gated DeepSeek Sparse Attention with IndexCache for cross-layer sparse index reuse and identity Hyper-Connections to expand information flow between layers. A native Multi-Token Prediction layer is included for speculative decoding. Hy4 preview is designed to understand, plan, debug, and verify long-horizon engineering tasks, with additional gains in front-end visual quality and interaction design.
Gemini 4 Hydrogen:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
Hy4:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
Gemini 4 Hydrogen:

Audience

Software developers, AI engineers, researchers, businesses, technology teams, and everyday users seeking fast multimodal AI for coding, autonomous agents, complex reasoning, research, and workflow automation
Hy4:

Audience

Developers, researchers, and technical professionals seeking an AI model for coding, document work, game development, scientific reasoning, and complex productivity tasks
Gemini 4 Hydrogen:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Hy4:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Gemini 4 Hydrogen:

API

Offers API Supported
Hy4:

API

Offers API Supported
Gemini 4 Hydrogen:

Screenshots and Videos

Hy4:

Screenshots and Videos

Gemini 4 Hydrogen:

Pricing

$1.50 per 1M tokens (input)
$1.50 per million input tokens and $7.50 per million output tokens.
Free Version Not Supported
Free Trial Not Supported
Hy4:

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported
Gemini 4 Hydrogen:

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
Hy4:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Gemini 4 Hydrogen:

Pros & Cons from Real Users

Pros

  • What I like most is how fast it feels without dropping into “cheap model” territory. I can use it for coding, research, agent workflows, and everyday technical work and still get responses quickly enough that it does not break my flow. The 1M-token context window is a huge plus. I can throw a big repo, long docs, screenshots, audio, or video into the same workflow and keep a lot more context around than I normally would with a fast model. It also feels like a really good fit for agents. Google specifically built Hydrogen for rapid execution across agentic workflows, and that comes through when I am doing multi-step tasks where speed matters just as much as raw intelligence.

Cons

  • The main downside is that I would still move up to Argon or Carbon for the really hard stuff. Hydrogen is clearly meant to be the fast everyday model, not the one I would pick for the deepest reasoning problem I can throw at Gemini.
Gemini 4 Hydrogen:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Hy4:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Gemini 4 Hydrogen:

Company Information

Google
Founded: 1998
United States
gemini.google.com
Hy4:

Company Information

Tencent
Founded: 1998
China
hy.tencent.ai/research/hy4-preview
Gemini 4 Hydrogen:

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Hy4:

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Gemini 4 Hydrogen:
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Gemini 4 Hydrogen:

Categories

AI Coding Models Supported
AI Models Supported
AI Vision Models Supported
Foundation Models Supported
Multimodal Models Supported
Hy4:

Categories

AI Coding Models Supported
AI Models Supported
Foundation Models Supported
Gemini 4 Hydrogen:

Integrations

.NET Supported
CSS Supported
Cheaper Inference Supported
Cursor Supported
Dart Supported
Gemini Supported
Gemini 3.5 Flash Supported
Gemini 3.8 Live Supported
Gemini Enterprise Supported
Google Supported
Google AI Plus Supported
HTML Supported
Kotlin Supported
Kubernetes Supported
Lua Supported
Model Context Protocol (MCP) Supported
Offloop Supported
OpenClaw Supported
Scala Supported
Wikis.ai Supported
Hy4:

Integrations

.NET Not Supported
CSS Not Supported
Cheaper Inference Not Supported
Cursor Not Supported
Dart Not Supported
Gemini Not Supported
Gemini 3.5 Flash Not Supported
Gemini 3.8 Live Not Supported
Gemini Enterprise Not Supported
Google Not Supported
Google AI Plus Not Supported
HTML Not Supported
Kotlin Not Supported
Kubernetes Not Supported
Lua Not Supported
Model Context Protocol (MCP) Not Supported
Offloop Not Supported
OpenClaw Not Supported
Scala Not Supported
Wikis.ai Not Supported
Gemini 4 Hydrogen:
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Claim Gemini 4 Hydrogen and update features and information
Hy4:
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Claim Hy4 and update features and information