Since the inception of Grok, xAI’s mission has been clear: to create AI systems that are maximally curious, useful, and aligned with human understanding. With the release of Grok-4, we are excited to take a significant leap forward in achieving this mission.

What is Grok-4?

Grok-4 is the latest iteration of xAI’s frontier large language model (LLM), designed to push the boundaries of reasoning, comprehension, and multi-modal capabilities. Trained on a vast and diverse corpus using xAI’s custom-built compute clusters powered by Tesla and NVIDIA hardware, Grok-4 represents a major upgrade in architecture, performance, and alignment with real-world tasks.

Unlike earlier versions, Grok-4 demonstrates advanced performance across a range of academic and practical benchmarks, narrowing the gap between human-level general intelligence and artificial general intelligence (AGI).

Key Improvements in Grok-4

1. Reasoning Power

Grok-4 has been explicitly optimised for reasoning and problem-solving. It significantly outperforms Grok-1 and Grok-3 on math, logic puzzles, scientific questions, and multi-step analytical problems.

On the MATH benchmark, Grok-4 delivers performance that is comparable to or better than other proprietary models like GPT-4 and Claude 3. Its reasoning ability also extends strongly into fields such as physics, chemistry, and formal logic.

2. Multi-Turn Dialogue Mastery

With enhanced memory and discourse tracking, Grok-4 delivers fluid, context-aware conversations over long multi-turn interactions. It maintains coherence and nuance over extended exchanges, making it ideal for applications in education, customer service, and technical support.

3. Multi-Modal Capabilities

Grok-4 introduces support for image and document understanding, allowing users to upload diagrams, charts, and other visuals for analysis. While still in beta, this feature opens up possibilities for use cases in fields like medical imaging, engineering design review, and academic research assistance.

4. Open Web Integration (Grok-4 Chat)

Through Grok-4 Chat (available on X.com Premium+), users can access real-time web data, enabling up-to-date responses on current events, scientific discoveries, and stock market trends. This dynamic capability ensures Grok-4 remains useful and accurate in an ever-changing world.

5. Humour and Personality

Staying true to its name, Grok, a term coined by Robert Heinlein to mean deep understanding, Grok-4 continues to balance powerful intelligence with wit and charm. Whether answering technical questions or composing creative stories, Grok-4’s personality remains quirky, clever, and engaging.

Performance Benchmarks