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Average Ratings 0 Ratings

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ease
features
design
support

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Description

Hy4 preview represents a cutting-edge open source Mixture-of-Experts flagship model tailored for a variety of real-world productivity tasks, including software engineering, office activities, game development, and scientific exploration. This model boasts a staggering total of 770 billion parameters, with 49 billion activated per token, and features an impressive 1 million-token context window, allowing it to efficiently manage large codebases, vast document collections, and complex multi-step processes. The architecture consists of 78 layers that integrate Gated DeepSeek Sparse Attention alongside IndexCache for reusing sparse indices across layers, while also employing identity Hyper-Connections to enhance the flow of information between layers. Additionally, a dedicated Multi-Token Prediction layer facilitates speculative decoding, further enhancing its capabilities. Hy4 preview is crafted to comprehend, plan, debug, and validate intricate engineering projects, while also achieving notable improvements in the quality of front-end visuals and interaction design, thereby making it an invaluable asset for professionals across various domains.

Description

Windsurf’s SWE-1 family introduces a revolutionary approach to software engineering, combining AI-driven insights and a shared timeline model to improve every stage of the development process. The SWE-1 models—SWE-1, SWE-1-lite, and SWE-1-mini—extend beyond simple code generation by enhancing tasks like testing, user feedback analysis, and long-running task management. Built from the ground up with flow awareness, SWE-1 is designed to tackle incomplete states and ambiguous outcomes, pushing the boundaries of what AI can achieve in the software engineering field. Backed by performance benchmarks and real-world production experiments, SWE-1 is the next frontier for efficient software development.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

AI Agents Directory No 
Devin Desktop No 
Tencent Hy Yes 
Windsurf Browser No 

Integrations

AI Agents Directory Yes 
Devin Desktop Yes 
Tencent Hy No 
Windsurf Browser Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Tencent

Founded

1998

Country

China

Website

hy.tencent.ai/research/hy4-preview

Vendor Details

Company Name

Cognition

Founded

2023

Country

United States

Website

devin.ai/blog/windsurf-wave-9-swe-1

Product Features

Alternatives

Alternatives

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SWE-1.5 Reviews

SWE-1.5

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