Grok 4.3 is developed by X.AI LLC.

Grok 4.3

Name: Grok 4.3
Author: xAI

AI Model

Grok 4.3 is a reasoning model designed for complex, accuracy-critical tasks such as advanced logic, math, scientific analysis, and multi-step investigations. It features an improved architecture compared with Grok 4.20, has a one million-token context window, and a knowledge cutoff of December 2025.

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Transparency Score

60%

Moderate transparency

Supply Chain

20/20

Compliance

10/20

Policy

25/25

Technical

0/25

Ethical & Operational

5/10

Openness Assessment

14%Closed

2 Open

0 Partial

12 Closed

Availability

0/5 Open

Documentation

1/6 Open

Access Methods

1/3 Open

Data from EU Open Source AI Index (DOI: 10.5281/zenodo.15386042), licensed under CC-BY 4.0

Capabilities

Text Generation, Image Generation, Code Generation, Code Execution, Code Explanation, Summarization, Translation, Conversational Ai, Question Answering, Data Analysis, Data Extraction, Document Understanding, Web Search, News Search, Image Understanding, Image Editing, Audio Transcription, Audio Generation, Video Understanding, Video Generation,

Vendor Information

Complete information about the vendor/provider of this AI application

Company Name

xAIView all products →

Legal Entity

X.AI LLC

Contact Information

Website

x.ai/

support@x.ai

Phone

+16282003223

Registered Address

1450 Page Mill Road, Palo Alto, CA, 94304, United States

EU AI Act Provider Information

Verification Status:

Verified

Legal Entity

X.AI LLC

Registered Address

1450 Page Mill Road, Palo Alto, CA, 94304, United States

Contact

support@x.ai +16282003223

Compliance Documents

CE Marking: Not Applicable

Supply Chain Network

Visual representation of the vendor's digital supply chain relationships

Subprocessors

Third-party vendors and subprocessors used by this vendor

MongoDB

Cloud database service

Legal & Terms

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