Grok 4.5
xAI's Grok model for chat, coding, agentic tools, and lower hallucination risk
Live
Open / InstallLast updated October 21, 2026
Description
xAI's Grok model for chat, coding, agentic tools, and lower hallucination risk. Supports a context window of 500,000 tokens. Supports extended reasoning. Supports tool calling. Input priced at $2 per million tokens. Weights are not publicly released; access is via the provider API.
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Author
xAI
Platform
api
Pricing model
paid
Categories
- Coding
- Research
- Design
- Productivity
Tags
- llm
- closed-weights
- xai
- grok
- reasoning
- tool-calling
- text
- image
- pdf
Capabilities
- Text generation
- 500,000 token context
- Extended reasoning
- Tool calling
- File attachments
- Image input
Information
TypeLarge Language Model
Model TypeText Generation
SourceModels Dev
AddedOctober 20, 2026