Grok 4.3

Grok 4.3

SpaceXAI
Kimi K3

Kimi K3

Moonshot AI
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+

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About

Grok 4.3 is the latest iteration of xAI’s Grok model, designed to deliver improved reasoning, real-time information access, and advanced task automation. It builds on earlier Grok 4 models by enhancing performance in complex problem-solving, coding, and analytical workflows. The model is integrated with real-time web and X (formerly Twitter) data, allowing it to provide up-to-date insights and answers. Grok 4.3 supports multimodal capabilities, enabling it to work with text, images, and other data types. It operates within the SuperGrok Heavy tier, offering access to more powerful compute and advanced features. The model is designed to handle long-context tasks and multi-step reasoning with greater accuracy. It also supports tool use and integrations, enabling it to interact with external systems and automate workflows. Overall, Grok 4.3 is positioned as a high-performance AI assistant for real-time, data-driven tasks.

About

Kimi K3 is Moonshot AI’s most capable model, built for frontier intelligence scenarios such as software engineering, knowledge work, deep reasoning, and multimodal understanding. The model has 2.8 trillion parameters and uses Kimi Delta Attention, a hybrid linear attention mechanism, along with Attention Residuals for long-context performance. Kimi K3 supports a 1 million token context window, making it useful for analyzing large codebases, long documents, complex knowledge bases, and multi-step workflows. It includes native visual understanding for images and videos, with support for structured message formats, base64 image input, uploaded video files, and multimodal reasoning. Developers can use Kimi K3 through an OpenAI-compatible API with support for streaming, structured JSON output, partial mode, custom tools, dynamic tool loading, and automatic context caching.

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 4.3 is ideal for developers, researchers, and professionals who need a real-time, high-performance AI model for coding, analysis, and data-driven decision-making

Audience

Developers, AI agent builders, software engineering teams, research teams, enterprise AI groups, data teams, product teams, and organizations that need long-context reasoning, multimodal understanding, structured output, tool calling, coding support, and OpenAI-compatible API access

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

$3 per 1M tokens (input)
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 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

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

Moonshot AI
Founded: 2023
China
kimi.ai

Alternatives

Big Pickle

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OpenCode Zen

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Grok 4.20

Grok 4.20

SpaceXAI
Kimi K2.5

Kimi K2.5

Moonshot AI
Grok 4.5

Grok 4.5

SpaceXAI
Kimi K2

Kimi K2

Moonshot AI

Categories

Categories

Integrations

C
C#
C++
CSS
EaseMate AI
Go
HTML
Java
JavaScript
Kotlin
OpenClaw
PHP
Python
R
Ruby
SQL
Scala
TypeScript
Vercel AI Gateway
ZooClaw

Integrations

C
C#
C++
CSS
EaseMate AI
Go
HTML
Java
JavaScript
Kotlin
OpenClaw
PHP
Python
R
Ruby
SQL
Scala
TypeScript
Vercel AI Gateway
ZooClaw
Claim Grok 4.3 and update features and information
Claim Grok 4.3 and update features and information
Claim Kimi K3 and update features and information
Claim Kimi K3 and update features and information