Timeline Background

Grok's Evolution

From a rebellious start to the next frontier of AI. Discover the journey of innovation, breakthroughs, and revolutionary features that shaped Grok into the most advanced AI system.

Development Milestones

Key achievements in Grok's revolutionary journey

4
Major Releases
From Grok-1 to Grok-4
1
Open Source
Grok-1 base model
2
Modalities
Text and Vision
130K
Context Window
Massive improvement

November 2023: Grok-1

314B Parameters

xAI unveils Grok-1, a model trained to have a rebellious streak and answer spicy questions, with real-time access to the X platform.

Key Features

  • • Rebellious personality
  • • Real-time X integration
  • • Uncensored responses

Technical Specs

  • • 314 billion parameters
  • • Transformer architecture
  • • Custom training pipeline

Innovation

  • • Truth-seeking approach
  • • Less restrictive guardrails
  • • Live data integration

March 2024: Open Source

Industry First

In a landmark move, xAI open-sources the base model weights and network architecture of Grok-1 (314B parameters).

What Was Released

Base model weights (314B parameters)
Network architecture specifications
Training methodologies
Community access and contributions

Impact

This unprecedented move accelerated AI research worldwide, enabling researchers, developers, and organizations to build upon Grok's foundation and contribute to the advancement of open AI development.

April 2024: Grok-1.5 Vision

Multimodal

Grok-1.5 is announced, boasting improved reasoning and a 128k token context window. Soon after, Grok-1.5V adds vision capabilities, processing images, diagrams, and photos.

Grok-1.5 Improvements

  • • Enhanced reasoning capabilities
  • • 128K token context window
  • • Improved mathematical performance
  • • Better code understanding

Vision Capabilities

  • • Image analysis and description
  • • Diagram and chart interpretation
  • • Photo understanding
  • • Visual question answering

Performance Benchmarks

MATH 50.6%
GSM8K 87.5%
HumanEval 74.1%
MMLU 81.6%

July 2025: Grok-4

Latest

Grok-4 is announced, representing a massive leap in reasoning, coding, and productivity with unique features like interactive spreadsheet editing.

Reasoning

Advanced logical processing

Coding

130K context window

Productivity

Interactive spreadsheets

Multimodal

Coming soon

Revolutionary Features

  • • Real-time X platform integration
  • • Native VSCode-like editor
  • • Interactive spreadsheet editing
  • • 400K H100 GPU training cluster
  • • Specialized Grok-4 Code variant
  • • Truth-seeking data curation
  • • Enterprise cloud deployment
  • • Upcoming vision and generation

Looking Ahead

The future of Grok AI development

Enhanced Vision

Advanced image understanding, real-time video analysis, and multi-image processing capabilities.

Q2 2025

Audio Intelligence

Speech recognition, music generation, audio analysis, and voice-based interactions.

Q3 2025

Autonomous Agents

Self-directed AI agents capable of complex task execution and decision-making.

Q4 2025