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Average Ratings 0 Ratings

Total
ease
features
design
support

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Write a Review

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

Kimi K2 Thinking is a sophisticated open-source reasoning model created by Moonshot AI, specifically tailored for intricate, multi-step workflows where it effectively combines chain-of-thought reasoning with tool utilization across numerous sequential tasks. Employing a cutting-edge mixture-of-experts architecture, the model encompasses a staggering total of 1 trillion parameters, although only around 32 billion parameters are utilized during each inference, which enhances efficiency while retaining significant capability. It boasts a context window that can accommodate up to 256,000 tokens, allowing it to process exceptionally long inputs and reasoning sequences without sacrificing coherence. Additionally, it features native INT4 quantization, which significantly cuts down inference latency and memory consumption without compromising performance. Designed with agentic workflows in mind, Kimi K2 Thinking is capable of autonomously invoking external tools, orchestrating sequential logic steps—often involving around 200-300 tool calls in a single chain—and ensuring consistent reasoning throughout the process. Its robust architecture makes it an ideal solution for complex reasoning tasks that require both depth and efficiency.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

GPT-5.1 Instant No 
GPT-5.1 Pro No 
GPT-5.2 No 
GPT-5.2 Instant No 
GPT-5.2 Pro No 
GPT-5.2 Thinking No 
GPT-5.3 Instant No 
GPT-5.4 No 
GPT-5.4 mini No 
GPT-5.5 Pro No 
GPT-5.6 Sol No 
GPT-6 Astra No 
GPT-6 Sol No 
GPT-6.1 Sol No 
GPT‑5.4 Thinking No 
Holo4 No 
Nebius Token Factory No 
Oxlo.ai No 
Shiori No 
Zo Computer No 

Integrations

GPT-5.1 Instant Yes 
GPT-5.1 Pro Yes 
GPT-5.2 Yes 
GPT-5.2 Instant Yes 
GPT-5.2 Pro Yes 
GPT-5.2 Thinking Yes 
GPT-5.3 Instant Yes 
GPT-5.4 Yes 
GPT-5.4 mini Yes 
GPT-5.5 Pro Yes 
GPT-5.6 Sol Yes 
GPT-6 Astra Yes 
GPT-6 Sol Yes 
GPT-6.1 Sol Yes 
GPT‑5.4 Thinking Yes 
Holo4 Yes 
Nebius Token Factory Yes 
Oxlo.ai Yes 
Shiori Yes 
Zo Computer Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Pricing Details

Free
Open source
Free Trial No 
Free Version Yes 

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 Yes 
iPhone App No 
iPad App No 
Android App No 
Windows Yes 
Mac Yes 
Linux Yes 
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

Moonshot AI

Founded

2023

Country

United States

Website

moonshotai.github.io/Kimi-K2/thinking.html

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