Grok 4.1 Fast

Grok 4.1 Fast

SpaceXAI
ZCode

ZCode

Z.ai
+
+

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About

Grok 4.1 Fast is an xAI model designed to deliver advanced tool-calling capabilities with a massive 2-million-token context window. It excels at complex real-world tasks such as customer support, finance, troubleshooting, and dynamic agent workflows. The model pairs seamlessly with the new Agent Tools API, which enables real-time web search, X search, file retrieval, and secure code execution. This combination gives developers the power to build fully autonomous, production-grade agents that plan, reason, and use tools effectively. Grok 4.1 Fast is trained with long-horizon reinforcement learning, ensuring stable multi-turn accuracy even across extremely long prompts. With its speed, cost-efficiency, and high benchmark scores, it sets a new standard for scalable enterprise-grade AI agents.

About

ZCode is an Agentic Development Environment built to bring GLM-5.2 into real coding workflows, combining the best AI agents with existing tools so developers can plan, code, review, and deploy without friction. It is designed for long-context, long-horizon, and agentic coding tasks, helping users move from requirement understanding to implementation, verification, and review inside one stable desktop workspace. ZCode Agent is the default self-developed agent framework, deeply integrated with tasks, models, permissions, file references, execution modes, Git branch state, and commit flow, making it a strong fit for everyday development, task breakdown, multi-file edits, debugging, testing, project preview, and continuous project work. Built around GLM-5.2, ZCode keeps goals, files, terminal results, browser context, execution modes, and Git state in the same task, so complex work can continue without losing continuity.

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

This content is ideal for developers, enterprises, and technical teams seeking to build advanced AI agents that require real-time data access, long-context reasoning, and reliable tool-calling capabilities

Audience

Developers seeking to plan, code, review, and deploy software with AI agents integrated into their existing development tools

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

No information available.
Free Version
Free Trial

Pricing

$16.20 per month
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:

Review this Software

Pros & Cons from Real Users

Pros

  • Grok 4.1 Fast is one of the most capable agentic AI models available today, combining frontier-level intelligence with blazing speed and exceptional tool-calling performance. Its 2M-token context window enables consistent reasoning over extremely long conversations, multi-turn workflows, and complex planning. Thanks to extensive RL training across diverse simulated environments, the model excels in real-world scenarios such as customer support, finance, research, and autonomous decision-making. Paired with the new Agent Tools API—featuring real-time X search, internet browsing, code execution, file retrieval, and MCP integration—Grok 4.1 Fast can orchestrate multi-step tasks seamlessly and autonomously. Benchmark results reinforce its strengths, outperforming or rivaling leading models across tool calling, long-context reasoning, and multihop search.

Cons

  • Because Grok 4.1 Fast is designed for sophisticated agentic use cases, developers new to tool-calling workflows may face a learning curve when integrating its advanced capabilities. Its reasoning variant is optimized for accuracy rather than instant response time, which may feel slower compared to lightweight chat models. And while pricing is competitive—especially with free access via OpenRouter—the cost of high-volume tool calls may add up for large enterprise workloads once promotional periods end.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

SpaceXAI
Founded: 2023
United States
grok.com

Company Information

Z.ai
Founded: 2019
China
zcode.z.ai/

Alternatives

Alternatives

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Claude Code

Anthropic
Grok 4.5

Grok 4.5

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Amp

Amp

Amp Code
Grok 4.7

Grok 4.7

SpaceXAI
MiniMax Code

MiniMax Code

MiniMax

Categories

Categories

Integrations

C#
C++
CSS
EaseMate AI
FastRouter
GLM-5.2
Go
Grok Imagine
HTML
LaunchLemonade
Microsoft Foundry Models
Python
R
SQL
Scala
Telegram
TypeScript
Visual Basic
Zo Computer
iMini

Integrations

C#
C++
CSS
EaseMate AI
FastRouter
GLM-5.2
Go
Grok Imagine
HTML
LaunchLemonade
Microsoft Foundry Models
Python
R
SQL
Scala
Telegram
TypeScript
Visual Basic
Zo Computer
iMini
Claim Grok 4.1 Fast and update features and information
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