fx

fx

Vercel
+
+

Related Products

  • Google AI Studio
    30 Ratings
    Visit Website
  • Checksum.ai
    1 Rating
    Visit Website
  • Retool
    593 Ratings
    Visit Website
  • JetBrains Junie
    12 Ratings
    Visit Website
  • Runpod
    230 Ratings
    Visit Website
  • BAND
    3 Ratings
    Visit Website
  • KrakenD
    71 Ratings
    Visit Website
  • TrustInSoft Analyzer
    6 Ratings
    Visit Website
  • Convesio
    63 Ratings
    Visit Website
  • MEXC
    188,765 Ratings
    Visit Website

About

Grok Code Fast 1 is a high-speed, economical reasoning model designed specifically for agentic coding workflows. Unlike traditional models that can feel slow in tool-based loops, it delivers near-instant responses, excelling in everyday software development tasks. Built from scratch with a programming-rich corpus and refined on real-world pull requests, it supports languages like TypeScript, Python, Java, Rust, C++, and Go. Developers can use it for everything from zero-to-one project building to precise bug fixes and codebase Q&A. With optimized inference and caching techniques, it achieves impressive responsiveness and a 90%+ cache hit rate when integrated with partners like GitHub Copilot, Cursor, and Cline. Offered at just $0.20 per million input tokens and $1.50 per million output tokens, Grok Code Fast 1 strikes a strong balance between speed, performance, and affordability.

About

fx is a tiny, open, native coding agent harness and CLI written in Zig, optimized for research, performance, and embeddability as part of larger systems. Its design focuses on minimalism across the system prompt, tools, feature set, memory use, and a 6 MB binary, with an interface intended to feel closer to a Unix shell than a heavy terminal IDE. fx cold starts in microseconds and performs no unnecessary work or I/O before accepting input, making it suitable for programmatic use, resource-constrained environments, and agent sandboxes. Developers can start it inside a project and ask it to read files, search code, run commands, make changes, execute tests, and stream tool calls as they happen. The core is model- and provider-agnostic, supporting local models, gateways, direct provider access, and cloud inference. It is context-efficient by design, using a minimal system prompt and toolset to reduce token overhead and improve time to first token.

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 Code Fast 1 is designed for developers, engineering teams, and coding platform providers who need a fast, cost-effective AI model optimized for real-world software development

Audience

Developers and AI infrastructure builders in need of a solution to run or embed a lightweight, extensible, model-agnostic coding agent in terminals, applications, and automated systems

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

$0.20 per million input tokens
$0.20 per million input tokens
$1.50 per million output tokens
$0.02 per million cached tokens
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

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

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

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

SpaceXAI
Founded: 2023
United States
x.ai

Company Information

Vercel
Founded: 2015
United States
fx.sh/

Alternatives

JetBrains Junie

JetBrains Junie

JetBrains

Alternatives

Agent 3

Agent 3

Replit
Grok 4.5

Grok 4.5

SpaceXAI
DeepSeek-V2

DeepSeek-V2

DeepSeek

Categories

Categories

Integrations

C
C#
C++
Cline
Cursor
Dessix
Devin Desktop
GitHub
GitHub Copilot
Go
Grok Build
Java
JavaScript
Kilo Code
Microsoft Foundry Models
OpenCode
OpenRouter
Python
TypeScript
Visual Studio Code

Integrations

C
C#
C++
Cline
Cursor
Dessix
Devin Desktop
GitHub
GitHub Copilot
Go
Grok Build
Java
JavaScript
Kilo Code
Microsoft Foundry Models
OpenCode
OpenRouter
Python
TypeScript
Visual Studio Code
Claim Grok Code Fast 1 and update features and information
Claim Grok Code Fast 1 and update features and information
Claim fx and update features and information
Claim fx and update features and information