About Grok 4.5
Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
Specifications
- Provider
- xAI
- Context Length
- 500,000 tokens
- Input Types
- text, image, file
- Output Types
- text
- Category
- x-ai/grok-4.5-20260708
- Added
- 7/8/2026