LongCat-2.0

LongCat-2.0

LongCat
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About

Grok Build 0.1 is a specialized AI coding model from xAI designed for agentic software engineering workflows and multi-step development tasks. The model is optimized to help coding agents perform actions such as planning, debugging, implementing changes, and iterating on code rather than simply generating one-time code responses. It supports both text and image inputs while producing text-based outputs, making it useful for analyzing code, screenshots, and technical documentation. Grok Build 0.1 includes support for tool use, structured outputs, function calling, and large-context reasoning capabilities. With a context window of up to 256,000 tokens, the model can process large codebases and complex projects within a single workflow. The platform is built for developers and engineering teams seeking faster and more capable AI-assisted software development.

About

LongCat-2.0 is a 1.6 trillion total-parameter Mixture-of-Experts language model built on AI ASIC superpods, with about 48 billion parameters activated per token and strong performance across coding and agentic tasks. It is a substantial step up from previous LongCat models, combining large-scale sparse architecture with dedicated post-training for real-world software engineering, tool use, long-context reasoning, and multi-step agent workflows. LongCat-2.0 is trained and deployed entirely on AI ASIC superpods, with pretraining spanning more than 35 trillion tokens and millions of accelerator-hours, demonstrating frontier-scale training on alternative hardware platforms. To strengthen long-horizon tasks, the model introduces LongCat Sparse Attention and is trained on hundreds of billions of tokens of 1M-context data, giving it native support for ultra-long context tasks and reliable long-document understanding.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Grok Build 0.1 is designed for software developers, engineering teams, AI application builders, and organizations that need AI-powered coding assistance, automation, and agentic software development capabilities

Audience

AI coding-platform teams that need a large open MoE model for agentic coding, long-context reasoning, tool use, and complex software automation

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$1 per 1M tokens (input)
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

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:

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Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

xAI
Founded: 2023
United States
x.ai/

Company Information

LongCat
Founded: 2023
China
longcat.chat/blog/longcat-2.0/

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Categories

Categories

Integrations

Hermes Agent
OpenClaw
Agent Client Protocol (ACP)
Claude Code
Cursor
Grok
Grok Build
JetBrains Junie
Kilo Code
Model Context Protocol (MCP)
OpenRouter
Puter.js
T3 Code
Vercel AI Gateway
Webrix MCP Gateway
Zed

Integrations

Hermes Agent
OpenClaw
Agent Client Protocol (ACP)
Claude Code
Cursor
Grok
Grok Build
JetBrains Junie
Kilo Code
Model Context Protocol (MCP)
OpenRouter
Puter.js
T3 Code
Vercel AI Gateway
Webrix MCP Gateway
Zed
Claim Grok Build 0.1 and update features and information
Claim Grok Build 0.1 and update features and information
Claim LongCat-2.0 and update features and information
Claim LongCat-2.0 and update features and information