frontiermultimodalreasoning

xAI (Grok)

Building Grok — a maximally curious AI with real-time web access and deep reasoning.

3
Models tracked
2023
Founded
Grok-3
Flagship model
Palo Alto
HQ

About

About xAI (Grok)

xAI was founded by Elon Musk in 2023 with the goal of building AI that seeks to understand the universe. Grok models are integrated into X (Twitter), giving them unique access to real-time social and news data. The Grok-3 family is competitive with GPT-4 class models on reasoning benchmarks, and its Thinking mode enables extended chain-of-thought inference.

Key highlights

  • Unique real-time access to X (Twitter) data and trending topics

  • Thinking mode available across the full Grok-3 family

  • Competitive benchmark scores on AIME 2025, GPQA, and LiveCodeBench

  • API access through the xAI developer platform

  • Natively integrated into X Premium subscriptions

Models

3 models tracked

Context windows, pricing, capabilities, and API identifiers — everything you need to choose the right model for your workload.

Flagship

Grok-3

2025

131Kcontext
TextVisionCodeReasoning

xAI's flagship model. Offers Thinking mode for step-by-step reasoning and access to real-time information from X's data network. Strong on STEM and coding benchmarks.

  • Real-time X platform data
  • Thinking mode
  • STEM & science
  • Long context
In: $3 / M tokens
Out: $15 / M tokens
grok-3

Grok-3 Mini

2025

131Kcontext
TextCodeReasoning

A lighter Grok-3 that retains Thinking mode at a fraction of the cost. Ideal for high-volume STEM tasks, math tutoring, and code review pipelines.

  • Fast & cheap
  • Thinking mode
  • High-volume STEM
  • Code review
In: $0.30 / M tokens
Out: $0.50 / M tokens
grok-3-mini

Grok-2 Vision

2024

32Kcontext
TextVision

Grok's multimodal vision model. Handles image understanding, chart and diagram analysis, and document processing tasks.

  • Image understanding
  • Chart & diagram analysis
  • Document OCR
  • Creative tasks
grok-2-vision-latest

Use Cases

What xAI (Grok) is best for

Each provider has specialisms shaped by their architecture decisions, training data, and API design. Here is where xAI (Grok) performs best.

Real-time trend & news analysis
STEM education & research
Social media intelligence
Rapid code review
Scientific literature synthesis

Get started

Start building with xAI (Grok)

Visit the official xAI (Grok) platform to access API keys, documentation, and pricing details.