Hy3

Hy3

Tencent
+
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About

Gemini 4 Argon is a frontier artificial intelligence model developed by Google DeepMind for complex reasoning, software engineering, cybersecurity, and professional knowledge work. The model supports multimodal inputs, including text, images, audio, video, and PDF documents, with a unified context window of approximately one million tokens. Its advanced reasoning capabilities enable it to analyze difficult problems, maintain context across lengthy workflows, and execute multistep tasks. Gemini 4 Argon supports autonomous AI agents, code generation, application development, scientific research, and analysis of legal and financial information. Developer capabilities include function calling, code execution, structured outputs, search grounding, and preview support for computer use. The model is available through the Gemini API, Google AI Studio, Google Antigravity, and supported Gemini applications and enterprise services.

About

Hy3 preview is Tencent Hy’s most intelligent model in the Hy series to date, built as a 295B-parameter Mixture-of-Experts model with 21B activated parameters, 3.8B MTP layer parameters, and support for up to a 256K token context window. As the first model trained on Tencent Hy’s rebuilt infrastructure, Hy3 preview is designed to improve real-world usability across complex reasoning, instruction following, context learning, coding, agent capabilities, and overall inference performance. It integrates both fast and slow thinking capabilities, allowing direct responses for simpler tasks and deeper reasoning for complex math, coding, and reasoning work. The model is built around well-rounded capabilities across long-context understanding, instruction following, tool use, and agent workflows, with evaluation focused not only on standard benchmarks but also on authentic business and development scenarios.

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

Platforms Supported

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

Audience

Software developers, engineers, AI teams, cybersecurity professionals, financial and legal professionals, researchers, enterprises, and other advanced users that need frontier AI for complex reasoning, long-horizon coding, knowledge work, multimodal analysis, and multi-step agentic workflows

Audience

Agent-framework developers who need a large reasoning model for coding, tool use, long-context tasks, and real-world agent workflows

Support

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

Support

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

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$2 per 1M tokens (input)
$2 per million input tokens and $10 per million output tokens, with cached input tokens priced at 95% off input token price.
Free Version Not Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

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

Pros & Cons from Real Users

Pros

  • I can give it a large coding problem, a long research task, or something involving multiple tools and it does a much better job keeping the goal in view instead of slowly wandering off course. Coding is especially strong. Google reports 77.9% on DeepSWE v1.1 and 91.9% on Vibe Code Bench, and it feels very comfortable with repo-level work, multi-file changes, debugging, and longer agent loops. The 1M-token context window is also genuinely useful. I can keep a huge amount of code, documentation, logs, PDFs, and prior work in the same session without constantly trimming context. I also like the tool support. Computer use, code execution, search grounding, file search, function calling, and URL context make Argon feel much more like an agent model than a normal chatbot.

Cons

  • The main downside is that it is overkill for simple tasks. I would still use Flash for quick coding help, lightweight automation, or anything where speed and cost matter more than maximum reasoning depth.

Training

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

Training

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

Company Information

Google
Founded: 1998
United States
gemini.com

Company Information

Tencent
Founded: 1998
China
hy.tencent.com/research/hy3-preview

Alternatives

Alternatives

Claude Fable 5

Claude Fable 5

Anthropic
Inkling

Inkling

Thinking Machines Lab

Categories

AI Coding Models Supported
AI Models Supported
AI Vision Models Supported
Foundation Models Supported
Multimodal Models Supported

Categories

AI Coding Models Supported
AI Models Supported

Integrations

Bash Supported
Cheaper Inference Supported
Gemini 3.5 Flash Supported
Gemini 3.5 Flash Cyber Supported
Gemini 3.8 Flash Cyber Supported
Gemini 3.8 Live Supported
Gemini Enterprise Supported
Gemini Enterprise Agent Platform Notebooks Supported
Gemini Managed Agents Supported
Gemini Spark Supported
Google Supported
Google AI Ultra Supported
HTML Supported
Java Supported
Python Supported
R Supported
Rust Supported
TypeScript Supported
XML Supported
YAML Supported

Integrations

Bash Not Supported
Cheaper Inference Not Supported
Gemini 3.5 Flash Not Supported
Gemini 3.5 Flash Cyber Not Supported
Gemini 3.8 Flash Cyber Not Supported
Gemini 3.8 Live Not Supported
Gemini Enterprise Not Supported
Gemini Enterprise Agent Platform Notebooks Not Supported
Gemini Managed Agents Not Supported
Gemini Spark Not Supported
Google Not Supported
Google AI Ultra Not Supported
HTML Not Supported
Java Not Supported
Python Not Supported
R Not Supported
Rust Not Supported
TypeScript Not Supported
XML Not Supported
YAML Not Supported
Claim Gemini 4 Argon and update features and information
Claim Gemini 4 Argon and update features and information
Claim Hy3 and update features and information
Claim Hy3 and update features and information