Hy3

Hy3

Tencent
SubQ

SubQ

Subquadratic
Hy3 SubQ

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Hy3:

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.
SubQ:

About

SubQ is a large language model developed by Subquadratic, designed specifically for long-context reasoning tasks. It can process up to 12 million tokens in a single prompt, allowing it to analyze entire codebases, long histories, and complex datasets at once. The model uses a sub-quadratic sparse-attention architecture that improves efficiency by focusing only on the most relevant relationships in the data. This approach reduces computational overhead while maintaining strong performance on large-scale tasks. SubQ is optimized for use cases such as software engineering, coding agents, and long-context retrieval. It delivers fast processing speeds and operates at a lower cost compared to many traditional models. Developers can access SubQ through APIs or integrate it into coding tools for enhanced workflows. Its architecture enables scalable AI reasoning without the limitations of standard transformer models.
Hy3:

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
SubQ:

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
Hy3:

Audience

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

Audience

Developers, AI engineers, and enterprises that need large-context language models for coding, data analysis, and advanced AI workflows
Hy3:

Support

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

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Hy3:

API

Offers API Not Supported
SubQ:

API

Offers API Supported
Hy3:

Screenshots and Videos

SubQ:

Screenshots and Videos

Hy3:

Pricing

Free
Free Version Supported
Free Trial Not Supported
SubQ:

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported
Hy3:

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
SubQ:

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
Hy3:

Training

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

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Hy3:

Company Information

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

Company Information

Subquadratic
Founded: 2026
United States
subq.ai/
Hy3:

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Alternatives

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Hy3:

Categories

AI Coding Models Supported
AI Models Supported
SubQ:

Categories

AI Coding Models Supported
AI Models Supported
Hy3:

Integrations

Claude Code Not Supported
OpenAI Not Supported
OpenAI Codex Not Supported
SubQ 1.1 Small Not Supported
Tencent Hy Supported
SubQ:

Integrations

Claude Code Supported
OpenAI Supported
OpenAI Codex Supported
SubQ 1.1 Small Supported
Tencent Hy Not Supported
Hy3:
Claim Hy3 and update features and information
Claim Hy3 and update features and information
SubQ:
Claim SubQ and update features and information
Claim SubQ and update features and information