Grok 4
by xAIxAI's latest model with 2M token context, multi-agent architecture, and rapid learning system.
About Grok 4
Grok 4 (released February 2026) introduces xAI's new 'rapid learning' architecture with a '4 Agents' multi-agent collaborative system enabling weekly capability improvements. Features an industry-leading 2 million token context window in Grok 4.1 Fast, and multi-agent reasoning for complex tasks. Available via API at $3/M input, $15/M output tokens.
Key Features
Works With
xAI API
X Premium+
OpenAI-compatible SDK
Responses APIPerfect For
Getting Started
- 1
Sign up at console.x.ai
- 2
Choose Grok 4 or Grok 4.1 Fast model
- 3
Use OpenAI-compatible API
- 4
Explore Responses API for agentic use cases
What Makes Grok 4 Different?
2M token context (4.1 Fast)
4 Agents multi-agent system
Weekly capability improvements
Grok Imagine video generation API
Pros & Cons
Pros
- 2M token context window (industry-leading)
- Multi-agent self-improvement system
- Video generation capability
- Real-time X data access
Cons
- Premium pricing ($3/M input tokens)
- X ecosystem dependency
- Grok 4.20 still in beta
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