Grok 4.5
Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
The figures
- Made by
- SpaceXAI
- Model ID
- x-ai/grok-4.5
- Input
- $2 per million tokens
- Output
- $6 per million tokens
- Context window
- 500K tokens
- Longest answer
- 450K tokens
- Takes in
- text, image, file
- Gives back
- text
- Reasoning
- Yes
- Tool calling
- Yes
- Reads images
- Yes
- Open weights
- No
- Released
- 8 Jul 2026
Read on 3 Oct 2026.